Mechanical Business September/October 2022

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www.mechanicalbusiness.com James Hobson: Putting the cool in engineering SEPT/OCT 2022 $6.95 Health & Safety: Driving distraction away Busting common heat pump misconceptions An option to resolve insufficient airflow 2022 heating product showcase A potentially unhealthy mix: Hydronic heating water with potable water SIMPLIFYING KITCHEN & BATH RENOS Also in this issue: PM #41536047

STORY

This YouTube celeb

made it

& SAFETY

Distracted

when a crash

in

workers … or

Turner

TRENDS

Mechanical Business 10.22 CONTENTS On the cover: James Hobson shares his enthusiasm for all things STEM with audiences on YouTube and in person. Cover photo: Ontario Science Centre 72HEALTH
driving affects every business and
occurs employers pay the price
lost productivity, reduced morale, and injuries to
worse. Ray
42PLUMBING Since their inception, pipe plug offerings have expanded to include testing, maintenance and repair equipment. Kevin Barrington COVER
has
his mission to inspire his subscribers to appreciate opportunities in science, technology, engineering and maths. Kerry
32CONSTRUCTION
A look at the challenges designers and contractors may encounter when installing HVAC and plumbing systems in mass timber structures. Jonathon Harp 94HEATING Whole home comfort requires getting conditioned air to where it should be. Russell Jones James Hobson: PUTTING THE COOL IN ENGINEERING The move towards mass timber buildings − Part II DRIVING DISTRACTION AWAY An option to resolve insufficient airflow HOW TO CHOOSE BETWEEN PNEUMATIC AND MECHANICAL PIPE PLUGS: FOUR FACTORS TO CONSIDER
CONTENTSTABLE OFFEATURES 58ROAD WARRIOR: ANDREW HOERNER Committed to growth Carolyn Cooper 602022 HEATING PRODUCT SHOWCASE See the latest technology from heat pumps to air handlers to furnaces, and more 88PLUMBING How to properly size a residential tankless water heater These three easy steps maximize the full potential of the unit Will Nourse 92EMBRACING THE PAST The rest, as they say, is history A look at the moments and technologies that have shaped the industry 98HUMAN RESOURCES The penalty box How to discipline an employee Sue Sodek 68HYDRONICS Combined hydronic and potable water systems may be at risk for Legionella and biofilms Lance MacNevin 78CONFERENCE REPORT In-person CIPH ABC offers valuable insights and honours industry professionals Kerry Turner DEPARTMENTS 8Editorial 10-28News, Movers & Shakers, People 84Jobsite Jargon 96The Info Page 97In the Next Issue 102By the Numbers PRODUCTS 60-67Heating Product Showcase 50Hydronics 82Plumbing 93Stuff You Need 56HEATING Customers may be hesitant to install a heat pump because of misconceptions about how they operate 4 Mechanical Business 10.22 Contractors need to educate customers Busting common heat pump misconceptions The reasoning behind a recommendation against mixing hydronic heating water with potable water in combined systems A POTENTIALLY UNHEALTHY MIX Bears, BBQ and business make for a memorable event The Right Water Softening Solutions for your customers 86PLUMBING Offering your customers soft water solutions is an opportunity across Canada Don Matt

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EDITORIAL

Legislation may be the solution to competition issues

Readers may recall Mechanical Business reporting on an Ontario utility company that has entered the mechanical supply and service markets in July 2022 (mechanicalbusiness.com) and in the July/August 2022 print edition. The story about Hydro One noted that the utility was endorsing three exclusive partners for the sale of an array of residential HVAC and plumbing systems in its franchise area.

Subsequently the matter was brought to the attention of the HVAC Coalition of Ontario by MB. As a precautionary measure, the HVAC Coalition filed for “late intervenor” status in Hydro One’s rate application hearing, which was underway before the Ontario Energy Board (OEB). The OEB denied that request. In its original coverage MB asked “what will other Canadian electrical utilities do when they look at Hydro One’s strategy?” Ontario is not alone as Alberta and other provinces were flagged at the Heating, Refrigeration and Air Conditioning Institute of Canada (HRAI) contractor town hall webinar on September 8, 2022.

Members asked whether HRAI should be creating a plan of action for inappropriate utility intrusions in the Alberta marketplace, and whether the organization should pursue a legislative solution to municipally-owned utility companies engaging in activities outside the scope of regulations under the utility regulator.

Martin Luymes, vice president, government and stakeholder relations for HRAI noted, “It’s a long process, very costly, a lot of hours, and therefore a lot of legal expense, to have success. We’ve had some success in BC and Nova Scotia, but what we’ve found in Ontario is there’s still a need to have an early warning system, if you want to call it that, or a watchdog function in place to keep an eye on utilities.” He added HRAI is working through a process where the HVAC Coalition in Ontario can be folded into the national organization so it will be in a position to act on utility issues across the country.

HRAI is considering its options in the case of municipally-owned utilities. “It’s been discussed that maybe we should tackle this in a different way, rather than always running to the Ontario Energy Board, filing a complaint, registering for a hearing, which is a very complex and time-consuming process. Why don’t we go to the Government of Ontario and request they legislate in some fashion that municipallyowned, electric utilities should be prohibited from entering into businesses where a competitive industry already exists. We believe that the Ontario government is sympathetic to that type of concept,” said Luymes.

Chelsea Goberdhan, HRAI’s government and stakeholder relations specialist –Ontario, noted that HRAI is already reaching out to the province on the issue. “We have been engaged with several ministers and MPPs, trying to establish who can be our champion for this issue, and come up with a regulated solution to solve this problem once and for all. We’ve described this problem as kind of being a whack a mole, where we resolve it in one municipality, it pops up in another. So, formalizing a solution in a regulated way is something that we are developing a plan for.”

Mechanical Business will continue to follow this issue and we encourage stakeholders to make their concerns known regarding utility intrusions in the marketplace.

8 Mechanical Business 10.22

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Feds launch homeowners loan for energy efficiency upgrades

The federal government has launched the Canada Greener Homes Loan Homeowners Stream to offer $4.4 billion in interest-free loans to Canadians retrofitting their homes. Homeowners are eligible for a loan of up to $40,000 per household. The loan, through the Canada Mortgage and Housing Corporation, is part of the Canada Greener Homes Initiative, and builds on the grant offered by Natural Resources Canada. The first phase of the loan has already launched, and is open to eligible homeowners applying or who have an open application for the Canada Greener Homes Grant. The second phase, opening eligibility to homeowners who have closed their applications but still have retrofits to do, is now open.

Vancouver extends energy retrofit program to multifamily buildings

The city of Vancouver, BC has extended a program for energy retrofits and released a guide to the use of heat pumps for cooling and heating. The Bring It Home 4 Climate program, which provides support and resources for residents to identify necessary energy upgrades and solutions, has been extended to owners and renters of multi-family buildings including apartments, condos and cooperative housing. The guide, Heat Pump Retrofit Guide for Strata and Co-op Buildings, offers information on heat pumps and their benefits, and advice for planning a lowrise multi-unit residential building heat pump retrofit project. According to the city, nearly 60 per cent of carbon pollution in Vancouver comes from fossil fuels to heat and cool buildings.

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PPI and IGSHPA sign MOU to strengthen geothermal industry

The Plastics Pipe Institute, Inc. (PPI) and the International Ground Source Heat Pump Association (IGSHPA) have announced a memorandum of understanding (MOU) to advance the benefits each organization brings to the geothermal exchange industry. The MOU includes an agreement to advance technical cooperation and development between the two organizations, including opportunities to participate in proposed standards, guides and policies on technical subjects. The organizations also agree to collaborate on projects related to the design and construction of long-lasting piping systems for geothermal applications, and promote research in conserving natural resources, and increasing energy efficiencies and sustainability.

Alberta introduces prompt payment measures

The province of Alberta has introduced a bill to ensure that contractors and subcontractors in the construction industry are paid for projects on time. Bill 37: The Builders’ Lien (Prompt Payment) Amendment Act, 2020, features timelines and rules for payments and liens in all construction industry sectors. There were previously no rules for payment timelines. The new bill sets a 28-day timeline for project owners to pay general contractors, and a seven-day timeline after payment is received for contractors to pay subcontractors. Timelines for registering liens has increased in the construction industry from 45 to 60 days, and in the concrete industry from 45 to 90 days. The minimum amount owed that can be subject to a lien also increases from $300 to $700. Other changes include new rules for hold-back money on large, multi-year projects, and improving subcontractors’ access to payment information.

10.22 News www.mechanicalbusiness.com
alberta.ca Mechanical Business 10.2210 Virtual, in-person or hybrid? Check out mechanicalbusiness.com for the latest information on industry events.
nrcan.gc.ca/energy-efficiency
plasticpipe.org/buildingconstruction igshpa.org
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Milestones

• Fredericton, NB-based Thomas Industrial Sales Ltd. is commemorating 50 years in business this year. The company offers residential and commercial heating systems, waste water solutions and custom design options. thomasindustrial.ca

• Brampton, ON-based Rheem Canada Ltd. is commemorating its 75th anniversary in 2022. The company began manufacturing water heaters, boilers and tanks in Canada in Hamilton, ON in 1947, after launching in Emeryville, CA in 1925. Today Rheem also produces HVAC equipment, smart technology and sustainability products for residential and commercial applications. rheem.ca

• Wilo Americas is celebrating 150 years in business with the opening of its 250,000 sq.-ft. headquarters in Cedarburg, WI. The company was founded in Dortmund, Germany in 1872 as a copper and brassware factory. wilo.com

• Woodridge, IL-based Gerber Plumbing Fixtures is commemorating 90 years of business in 2022. The company, which manufactures kitchen and bathroom plumbing products, is celebrating with a year of events and charitable efforts gerber-us.com

SMACNA names Canadian rep

The Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA) has named Bernie Antchak as Canadian chapter representative to its 2022 board of directors. Antchak is the founder and business operations manager of Surrey, BC-based Northwest Sheet Metal Ltd. He has been on the board of directors for SMACNA British Columbia for 12 years, as well as serving as president. smacna.org

The ugly side of cross connection

The Western Canada Section AWWA Cross Connection Control Committee (WCSAWWA) has announced the winner of its 2022 bad and ugly cross connection control photo contest. Stan McCrimmon, a plumber with DND, Alberta, won for his picture of a bad cross connection he discovered working on a residential boiler. McCrimmon was originally called to the site for a no heat issue. The boiler was down. During the service he found the domestic fill line and spotted the issues shown in the photo. He installed a reduced pressure assembly and it has been working well ever since. The purpose of the annual contest is to increase the awareness of cross connections and to educate water industry representatives in the field. wcsawwa.net

Clean and affordable energy projects in Saskatchewan

Indigenous communities and businesses in Saskatchewan are partnering with the federal government to launch five projects designed to bring clean, affordable and renewable energy technology to rural, remote and Indigenous communities in the province. Almost $10 million in federal funding will go to: building a regional approach to renewable energy, energy efficiency and conservation for Indigenous communities; a bioheat project replacing propane heating systems at two schools in Pelican Narrows and Deschambault Lake, SK; a solar farm that will be owned by the nine First Nations of the Meadow Lake Tribal Council and located on Indigenous-owned lands; a capacity-building project; and the creation of a master’s of sustainability in security by The University of Saskatchewan. nrcan.gc.ca/home

10.22 News www.mechanicalbusiness.com Mechanical Business 10.2212
Gordon Thomas launched Thomas Industrial Sales in 1968 working out of a home office. Stan McCrimmon’s winning photo. (L-R) Donny Wilson of the WCSAWWA CCC Education Committee presents 2022 ugly and bad contest winner Stan McCrimmon with a Zurn differential gauge. Bernie Antchak

CIPH to produce online product knowledge training program

The Canadian Institute of Plumbing and Heating (CIPH) has announced plans to produce an e-learning tool. The association will work with a communications agency with input from member companies to create the generic product knowledge e-learning tool in English and French. CIPH hopes to launch the program in the first quarter of 2023 ciph.com

Advertising requirements change for BC contractors

Technical Safety BC has released new advertising requirements for licensed contractors. As of January 1, 2023, licensed contractors are required to publish their company name and Technical Safety BC licence number when advertising to the public, in accordance with new guidelines. Deadlines to update advertising will be rolled out in three phases. In phase one digital sales and marketing materials must be updated with a Technical Safety BC licence number by January 1, 2023. Phase two requires that non-digital sales and marketing materials be updated with a licence number by September 30, 2023. Phase three requires that vehicles, storefronts and other assets must be updated with a licence number by January 1, 2024. technicalsafetybc.ca

Student ambassadors help share PEI’s energy efficiency programs

PEI’s net-zero ambassadors are going door-to-door across the province in a campaign to inform residents about the Path to Net Zero energy efficiency programs. The Government of PEI has pledged to achieve net-zero greenhouse gas emissions by 2040, through energy efficient upgrades to households and other programs. The goal of the new campaign is to make personal contact with Islanders to inform them of available energy efficiency programs, such as information on free heat pumps, water heaters and home insulation, as well as other rebates for Islanders with a household income of $55,000 or less. Households with income over $55,000 can also apply for rebates and low-interest loans for energy efficient upgrades through Finance PEI. princeedwardisland.ca

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Net zero ambassadors (L-R) Aaron Walsh, Johnny MacKenzie and Brandon MacQuillan.
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Changes to BC gas installation codes

Technical Safety BC has adopted changes to the BC gas installation codes into the Gas Safety Regulation. The organization says the changes, which came into effect on October 1, 2022, will improve the safety of gas technical equipment. Any gas permits taken out as of October 1, 2022 require compliance with the new gas codes, while work done under permits obtained before October 1, 2022 will continue to require compliance to 2015 editions of codes. technicalsafetybc.ca

Toronto increases incentives to build green

Toronto City Council has approved a major increase in incentives for new buildings to meet the higher tiers of the Toronto Green Standard. Refund incentives for meeting Tier 2 of the standard have risen more than 25 per cent, while incentives for meeting Tier 3 have jumped more than 50 per cent. The increases came into effect August 15, 2022. The Toronto Green Standard is the city’s sustainable design and performance requirement for new developments. Tier 1 of the standard is mandatory, and financial incentives are offered through the Development Charge Refund Program for high performance, low emissions projects verified Tier 2 or better. toronto.ca

2022 NAFA winners include Canadian facilities

The National Air Filtration Association (NAFA) has announced its 2022 Clean Air Award winners. The annual Clean Air Award is presented to building owners and managers who have significantly improved the indoor air quality (IAQ) of their buildings by increasing the level or efficiency of their HVAC air filtration system in 10 categories. Candidates, who are nominated by NAFA members, must submit the steps they’ve taken toward cleaning the indoor environment through “best air filtration practices” and system hygiene. Nominees are judged by the NAFA Clean Air Award Committee. There were over 45 Canadian facilities, submitted by Camfil, BGE Indoor Air Quality Solutions Ltd. and FilterPro Services Canada, Ltd., among the 77 award winners. NAFA is a non-profit trade association for air filter and component manufacturers, sales and service companies, and HVAC and IAQ professionals. nafahq.org

Winners of 2022 Joseph K. Seidner Award announced

The Canadian Institute of Plumbing and Heating (CIPH) has announced two winners of the 2022 Joseph K. Seidner Award: Ralph Suppa, president and general manager of the CIPH, and the Canadian Regulatory Council on Plumbing (CRCP), including members Joe Rogers, Kevin Ernst, Sidney Manning, Pierre-Yves Despastis and Stephen Friedt. The CRCP was awarded for their significant work to ensure the health and safety of Canadians during the COVID-19 pandemic, while Suppa was recognized for his many contributions to CIPH since joining the organization in 1988, and since becoming president and general manager in 2002. The presentation took place at the annual Canadian Advisory Council on Plumbing meeting on August 16, 2022 in Halifax, NS. The annual award recognizes the contributions of individuals in the standards community, and is named in honour of Joseph K. Seidner, the first recipient and industry leader. ciph.com

Gas-fired boilers recalled due to carbon monoxide poisoning hazard

Health Canada has issued a recall for LAARS Mini-Therm JX Gas-Fired Boilers due to the potential of carbon monoxide poisoning. The recall includes the LAARS Mini-Therm JX gas-fired residential atmospheric boilers, models JX050 and JX075, serial numbers V21306297 to V22311517. The units are grey and include a front display panel with LAARS MINI-THERM JX on a black and orange name plate or label. The affected units pose a carbon monoxide poisoning hazard because the original mounting position of the blocked vent switch may not allow the boilers to switch off in a timely manner during a blocked vent condition. As of press time there have been no reports of blocked vent switch failures or injuries. Contact LAARS Heating Systems Company for a free repair kit. laars.com

10.22 10 Mechanical Business 10.2214
News www.mechanicalbusiness.com
The Canadian Regulatory Council on Plumbing members include (L-R) Joe Rogers, chair; Kevin Ernst; Sidney Manning, vice chair; Pierre-Yves Despastis; and Stephen Friedt. Ralph Suppa was one of the winners of the 2022 Joseph K. Seidner Award. LAARS Mini-Therm JX gas-fired residential atmospheric boiler.

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Alberta launches program to encourage apprenticeship opportunities

The government of Alberta has introduced the Trade Pathways program, a 33-month pilot project to provide hands-on training to prepare unemployed or underemployed young people for jobs in the construction industry. The province is investing $3.2 million towards the initiative, which is in partnership with the Alberta Construction Association (ACA), End Poverty Edmonton, and the Edmonton Mennonite Centre for Newcomers. Apprentices have the opportunity to train with ACA member companies, with government funding supporting wage top-ups, training, and cost of protective equipment and/or tool costs. tradepathways.ca

STAR program supports the trades

The federal government has announced a $33-million investment over five years in eight projects under the Skilled Trades Awareness and Readiness (STAR) program. The STAR program helps Canadians, especially those facing barriers, to prepare for careers in the skilled trades canada.ca

First NHL team opts for CO2 refrigeration system

The Columbus Blue Jackets will soon become the first NHL team to use CO2 (R744) for its arena refrigeration. The CO2 refrigeration system at Columbus, OH’s Nationwide Arena will be installed by CIMCO Refrigeration, a Toronto, ON-based industrial refrigeration contractor. The company will upgrade the arena’s HFC-22 (R22) system, significantly reducing greenhouse gas emissions. The team’s farm club, the Cleveland Monsters, already uses a CO2 refrigeration system. Nationwide Arena will have two 200 TR (703 kW) packaged trans critical CO2 systems with full redundancy. Only one system is needed for most of the season, but both can be used if necessary in warmer months. The project is scheduled to start in May 2023 with completion expected by September 2023. cimcorefrigeration.com

10.22 News www.mechanicalbusiness.com 10 Mechanical Business 10.2216
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Movers & Shakers

Changes to ECR International product distribution

Granby Industries has appointed Morden National as its sales representative for Ontario, effective November 1, 2022. Representation of ECR International products outside Ontario, including the territories, will be provided by the current Granby sales representatives. Starting November, 2022, wholesalers will place purchase orders for ECR brands of finished goods and replacement parts directly to Granby Industries’ customer care. ECR International brands of finished goods and replacement parts will only be available through Granby’s distribution centre in Cowansville, QC.

Wolseley Canada grows in BC

Burlington, ON-based Wolseley Canada has opened a branch in Vernon, BC at 4227 25A Avenue. The 12,000-sq.-ft. facility offers the company’s full line of plumbing and HVAC products, and is managed by Neal Tomlinson. wolseleyinc.ca

Daikin invests in CM3 Building Solutions

Daikin Applied Americas Inc. now has a majority interest in CM3 Building Solutions, Inc., a Fort Washington, PA-based service and solutions provider. The investment enables Minneapolis, MN-based Daikin Applied to offer customers products and service for complete building systems and operations. CM3 Building Solutions offers building automation and technology, energy services, security and fire protection, as well as HVAC support. Daikin Comfort Technologies North America, Inc. has also announced plans to build a $230-million, 761,000-sq.-ft. manufacturing facility in Mexico that will be fully operational in 2024. The new facility is a response to demand for Daikin products in North America and Latin America, and will produce the company’s mini-split and Daikin FIT residential inverter products currently imported from its plants in Asia. The company has already moved production of some modular blower product lines to a 200,000-sq.-ft. facility in Mexico, with five additional product lines expected to be fully operational in 2023. The majority of Daikin’s manufacturing operations will remain at its 4.3-million-sq. ft. Waller, TX campus. Daikin Comfort is a subsidiary of DIL, and offers Daikin, Goodman, Amana and Quietflex brand heating and cooling products for residential, commercial and industrial use.

Navien rebrands Canadian business as Navien Canada, Inc.

Navien has officially incorporated its Canadian business under the name Navien Canada, Inc. The company will continue operating as Navien, Inc. in the U.S., and will now be known as Navien Mexico, S.A. de C.V. in Mexico. To mark the name change, the company recently opened its first Canadian distribution centre in Surrey, BC, and a new Canadian website. Navien Canada, Inc. offers condensing technology, condensing tankless water heaters, combi-boilers, and wall-hung boilers. navieninc.ca

New Noble location opens

Noble Corporation has opened a branch in Owen Sound, ON at 1796 16th Street E., Suite A. The branch will offer local customers Noble’s full range of plumbing, HVAC, hydronic and fire protection products and services. noble.ca

NAPCO Pipe & Fittings rebrands

Houston, TX-based NAPCO Pipe & Fittings is now Westlake Pipe & Fittings. The company says the name change reflects the true value customers receive from its wide range of products, and its place in Westlake Corporation’s Housing and Infrastructure segment. Westlake Pipe & Fittings produces polyvinyl chloride pipe and fittings, including molecular-oriented PVC (PVCO), and brands such as Certa-Lok, Yelomine, and Certa-Flo. westlakepipe.com

granbyindustries.com
daikinapplied.com northamerica-daikin.com
www.mechanicalbusiness.com
10.22 18 Mechanical Business 10.22
(L-R) Navien’s Adam Wills, Ryan Shin, Scott Lee, and Eric Moffroid officially open the Navien Canada distribution centre in Surrey, BC.
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Movers & Shakers

Duravent changes name, launches innovation centre

Detroit, MI-based Duravent has changed its name to the Duravent Group, and officially launched its 22,000-sq. ft. Grand Rapids Innovation Center. The new company identity unifies its family of brands, which include Duravent, Hart & Cooley, Selkirk, AirMate and more.

New distribution partnership for Blade and Kilmer Environmental

Toronto, ON-based Blade Filters Inc., a commercial indoor air quality (IAQ) solutions manufacturer, has announced a distribution partnership in Ontario with Kilmer Environmental. Under the partnership Kilmer, a distributor of IAQ products for temperature and humidity control, will become the exclusive distributor of Blade’s Canadian-made portfolio of IAQ solutions throughout Ontario. bladeair.com kilmerenv.com

IPEX expands pipe extrusion facilities

IPEX is undertaking a major North American expansion, with an investment in three of its pipe extrusion facilities. The company’s plants in Asheville, NC, Lawton, OK, and Fort Pierce, FL will gain a total of 28 new production lines. The company is considering further automation in the future. The new lines will be operational in late 2022 through to early 2024. According to IPEX CEO Alex Mestres, the expansion will allow the company to increase production capacity for its pipe business in Canada and the U.S., while adding new products to its portfolio. As part of its growth strategy, the company is also constructing three additional distribution centres and a state-of-the-art moulding facility in Pineville, NC.

ipexna.com

Hoskin Scientific expansion in Edmonton

Oakville, ON-based Hoskin Scientific has moved its Western operations to a new office and warehouse facility in Edmonton, AB at 11540 - 184 St. NW. The 15,000-sq. ft. facility better accommodates Hoskin Scientific’s growing business in Western Canada, and will supply customers in Alberta, Saskatchewan, Manitoba, and Northern BC. Hoskin Scientific sells, rents and services scientific equipment, including products for monitoring and testing water, gas and air quality, as well as integrated systems.

Kerr Controls opens new Saint John branch

Truro, NS-based Kerr Controls Ltd./Kerr Smart Energy Ltd. has officially opened its new Saint John, NB location at 175 Hilyard St., Suite D100. Kerr Controls has 10 locations in Atlantic Canada under the Kerr Controls Ltd. brand and three in Ontario under the Kerr Smart Energy Ltd. brand. kerrcontrols.ca

hoskin.ca

CB Supplies acquires Diamondback brand

CB Supplies Ltd. recently purchased the Diamondback brand of CSST tubing and fittings from Tecvalco Ltd. Diamondback is a line of CSST (Corrugated Stainless Steel Tubing) and fittings.

cbsupplies.ca

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IPEX plants in Lawton, OK and Fort Pierce, FL (above) will receive new production lines and other upgrades. Kerr Controls’ new Saint John, NB branch.
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Movers & Shakers

Enercare purchases HydroSolution

Markham, ON-based Enercare Inc. is acquiring Anjou, QC-based HydroSolution, LP, a sales and service provider of electric water heaters, heat pumps, electric vehicle charging stations and other residential equipment. This is Enercare’s first investment in Quebec. It follows Enercare’s recent acquisition of Tecumseh, ON based Syles Mechanical, and Edmonton, AB’s Elite Heating & Air Conditioning. Enercare provides water heaters, water treatment products, furnaces, air conditioners and other HVAC equipment and services.

hydrosolution.com

Equipco now reps Reznor in Ontario and Atlantic Canada

Coquitlam, BC-based Equipco is now exclusive representative for O’Fallon, MO-based Reznor in Ontario and Atlantic Canada, excluding Quebec. The company already represents Reznor in Alberta, BC, Manitoba and Saskatchewan. Equipco has nine locations across Canada. equipcoltd.com reznorhvac.com

ICC acquires Cheminee Lining from Cleaver-Brooks

Industrial Chimney Company (ICC), manufacturer of prefabricated chimneys along with high-efficiency fireplaces, has acquired Cheminee Lining, the exhaust solutions division of boiler manufacturer The Cleaver-Brooks Company, Inc. The move to acquire Cheminee Lining occurred quickly after Cleaver-Brooks announced its intention to discontinue the sale of exhaust stacks and venting in May 2022. As part of the sale, ICC will continue to lease 56,000 sq. ft. of manufacturing space and 21,000 sq. ft. of office space located in Terrebonne, QC, as well as provide employment for more than 44 existing Cheminee Lining employees. icc-rsf.com

Whirlpool purchases InSinkErator

Benton Harbor, MI-based Whirlpool Corporation has announced it is purchasing St. Louis, MO-based Emerson’s InSinkErator business. InSinkErator, headquartered in Racine, WI, is a manufacturer of food waste disposers and instant hot water dispensers for home and commercial use. The transaction is expected to close in Emerson’s 2023 fiscal year. emerson.com whirlpoolcorp.com

HVAC Systems & Solutions celebrates grand opening

HVAC Systems & Solutions recently celebrated the grand opening of its first Alberta branch at #102-205 Carnegie Drive, St. Albert, AB. The Port Coquitlam, BC-based company offers product-based solutions for institutional, industrial, multi-family and commercial applications to customers in BC, Alberta, Yukon and Northwest Territories. hvacsystems.ca

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enercare.ca
(L-R) Jeevan Thaker, president; Darla Krause, vice president; Rodney Cornel, engineering account representative; and Christina Herbers, account executive.

Movers & Shakers

NSI Industries buys SUPCO

Huntersville, NC-based NSI Industries, LLC has acquired Allenwood, NJ-based Sealed Unit Parts Co., Inc. (SUPCO). SUPCO provides parts, components, test instruments and tools for the HVAC market from facilities in New Jersey, the Midwest and overseas. NSI Industries manufactures products for the electrical, building technology, and HVAC markets.

supco.com

RLS partners with Centric in Ontario

St. Louis, MO-based RLS LLC has partnered with Toronto, ON-based Centric Sales & Marketing Inc. to represent the RLS product line in Ontario. RLS manufactures the Rapid Locking System line of flame-free press-to-connect fittings for HVAC and refrigeration systems.

The Master Group to distribute CAREL

Boucherville, QC-based The Master Group has formed a strategic partnership with CAREL Industries in Ontario to combine its humidifier and evaporative cooling solutions with Master’s HVAC/R products and services. Italy-based CAREL offers control solutions for air conditioning, refrigeration and heating, and systems for humidification and evaporative cooling. In North America the company has a branch in Manheim, PA. master.ca carel.com

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People in the news

Barrie, ON-based Napoleon promoted Mike Tzimas to president on July 11, 2022. He succeeds Ron McArthur, who will retire at the end of 2022.

Brendan Lawson (1) has joined Coquitlam, BC-based Equipco Ltd. as technical sales specialist; Chris Swarbrick (2) has joined as a technical sales representative for Eastern Canada; and Bryan Jones (3) has joined as an outside sales representative.

Mississauga, ON-based LIXIL Canada Inc. has promoted Cosimo Coffa (1) to general manager, trade sales & marketing, and Marlon Thompson (2) to vice president (leader), marketing Canada. Coffa, who has led LIXIL’s trade/project sales for Canada since September 2018, will be responsible for American Standard, DXV, and GROHE brands. Thompson joined LIXIL in 2019, and in his new role will be responsible for the Canadian integrated marketing team of product, channel, digital and pricing.

Kitchener, ON-based Marks Supply Inc. has promoted John Walton to director of procurement and business analytics.

Angelo Tosto has joined Wiles-Legault & Associates Ltd. as inside sales representative.

Robin Lovely has joined DCS Agency Ltd. as a manufacturers’ sales representative.

Daikin Comfort Technologies Canada has hired Eugene Tagoe as territory sales manager for the London, ON area.

Jimmy Thuan has joined Vaughan, ON-based NEXT Plumbing and Hydronics Supply as a buyer.

Andres Caballero has been named president of Uponor Corporation’s Building Solutions – North America division, and a member of Uponor’s executive committee. He will be based in Apple Valley, MN.

Lisa Johnson has been promoted to regional operations manager for Central Canada at Goodman Air Conditioning & Heating.

1

Coquitlam, BC-based Hy-Line Sales (2018) Ltd. has hired Lisa Giles as an estimator.

2

Watts Water Technologies has made several employee announcements.

Blake Hartshorn (1) has been named sales manager – strategic accounts, Maha Kuppuswamy (2) has been promoted to sales manager – valves, and Craig Stannix (3) has been promoted to Canada distribution centre manager.

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People in the news

Jeff Bredeson has been appointed president of Systemair North America. Bredeson will be responsible for leading all aspects of Systemair’s North American activities, including sales, its Fantech and Greentek residential ventilation divisions, and the company’s three factories in Tillsonburg, ON, Bouctouche, NB, and Lenexa, KS.

Daikin Industries, Ltd. has named Jeff Drees as CEO and president of Daikin Applied Americas. He replaces Mike Schwartz, who retired at the end of August 2022. Drees has been with the company since 2020, and is currently executive vice president of sales, marketing and aftermarket at Daikin Applied.

Ishaq (Isaac) Naweed has joined Smith Energy as technical sales representative for the Greater Toronto Area (GTA) market primarily covering consulting engineering firms and mechanical contractors.

Austin Neis has joined Calgary, AB-based Chemfax Products Ltd. as an inside sales representative.

Chris Cullen has been promoted to purchasing supervisor at Mississauga, ON-based Desco Plumbing and Heating Supply.

Georgetown, ON-based Metric Sales Inc. has hired Paul Roque as director of showroom sales. Dale Kompf has joined Bathurst, NB-based the Eddy Group Ltd. as operations manager.

Burlington, ON-based Wolseley Canada has made a number of employee promotions and new hires. Steve Roetsch (1) has been promoted to HVAC sales manager, Alberta; Ryan Hunt (2) has been promoted to Greater Toronto Area (GTA) HVAC/R sales manager; Mark Twist (3) has been hired as director of engineering and facilities services; Abiye Idikio (4) has been named inside sales representative for hydronics, based in Edmonton, AB; Hamid Khan (5) has been hired as regional own brand specialist for Ontario and Atlantic Canada; Candace Woods (6) is now vice president, marketing and digital; Michelle Littler (7) has been named strategic account manager; and Jessica Lerch (8) has been hired as a key account representative.

EMCO Corporation has hired Matthew Ferguson as a customer service representative, based in Calgary, AB. Port Coquitlam, BC-based Pro-West Sales Ltd. has named Shane Talbot as an outside sales representative. Boucherville, QC-based The Master Group has hired Terry Watson as regional sales manager, based in Winnipeg.

Susanne Morra has joined Oakville, ON-based ACO Canada as east sales manager.

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Manual offers the latest information on ducted forced air distribution systems

The new sixth edition of the Residential Air System Design Manual (RASD) from the Heating Refrigeration and Air Conditioning Institute (HRAI) is the culmination of a collaborative task group, which included nation-wide input from HVAC contractors, HVAC designers, manufacturers of both equipment and duct systems, building officials, energy advisors, utilities, researchers, government representatives and HRAI instructors. The edition is a consensus documentation of the latest information with respect to ducted forced air distribution systems in residential applications. I am reporting on some of the changes and additions I feel will be of help to the residential HVAC industry.

The task group members who contributed to the sixth edition of the Residential Air System Design Manual have recognized and responded to the compelling changes in ever more efficient but complex new houses and the challenges that may present to effective air distribution. Special recognition is due to Tom Cates, a long-time HRAI trainer, who took on the task of doing the technical writing.

Scope reflects important advancements

RASD was reorganized, starting with a concise Section One defining the scope of the document and clearly laying out the minimum requirements of residential forced air systems compiled from the National Building Code of Canada, provincial building codes, and standards that are referenced in those codes. This Section will be helpful to HVAC system

Gord Cooke

designers and HVAC contractors working specifically in the new construction market as it ensures quick access to code requirements for consistency and clarity in preparing building permit applications. Indeed, this section identifies that while the manual may be helpful to contractors in renovation projects, its primary focus is on systems designed for new home construction.

In this regard, the manual has updated the scope to reflect important advancements in equipment, ducting systems, and house construction. For example, the scope identifies a “Total Available Duct Pressure” range of 0.100” w.c. to 0.800” w.c. (25 Pa to 199 Pa). Identifying this specific, and I would say expanded range, recognizes the capabilities of electronically commutated fan motors, and equivalent technologies, to operate at higher system static pressures. The lower range similarly acknowledges the capabilities of smaller capacity, “mini-split” systems that may offer some limited ducting options.

The expanded system pressure range offers important flexibility in ever more efficient houses with much smaller overall heating and cooling loads, but which still have the need to distribute air effectively. The extra system pressure available at the “end of the line” can allow for diffusers with better throw and spread characteristics to ensure comfortable living spaces.

Gord is a professional engineer who has spent 35 years helping builders and HVAC contractors implement innovative technologies into high-performance homes. He has particular expertise in IAQ and airflow management in houses, and can be contacted at gordc@buildingknowledge.ca.

HIGH-PERFORMANCE HVAC Mechanical Business 10.2230

Resolve disputes

Section Two of the Sixth Edition is titled “Optimizing Performance Through Design” and the introductory remarks clearly indicate this section provides good engineering practice information from industry resources such as the ASHRAE Handbooks and the ACCA Manuals. The remarks go on to say that the information in Section Two goes beyond the minimum requirements of Canadian building codes. RASD helps separate or delineate the code obligations of builders and their HVAC trade partners from approaches offered as enhancement or upgrades for optimized performance. I trust that professional contractors will use this important delineation when asked for opinions, specifically in new homes, to help resolve disputes between homeowners and their builders rather than escalate them.

There are two specific topics in Section Two that can be helpful in both new and existing homes. There is good discussion of return air design systems that starts with the concept of return air “pathways.” Recognizing that if conditioned air (warm or cool) is to be effectively distributed to a room or space, there must be an adequate path for air to be returned to the central air handling device. The revised manual provides a wider range of options for contractors to provide return air pathways. Certainly, fully ducted returns offer the most direct path while avoiding potential air quality concerns when using wall or floor cavities. The manual, though, offers more alternatives for central than just the commonly used door undercut technique. Transfer grilles in doors or walls or “jump ducts” between rooms and central hallways have been used successfully throughout the U.S. for two decades. In new construction they can be more cost effective than fully ducted returns and more acceptable from a noise mitigation perspective than large door undercuts. These options can be very useful in existing homes in cases where the effective distribution of supply air is affected by the back pressure in a room with a closed door and an inadequate return pathway.

Rather than opening up walls or ceilings to try and directly connect return ducts, installation of noise attenuated transfer grilles is a very effective option.

The expanded discussion of duct leakage in the Sixth Edition is also helpful in new and existing projects. There is a note to designers regarding how new or recently installed duct systems in some jurisdictions such as Ontario are required to be sealed to the SMACNA Class 3 level –transverse joints sealed. The manual ascribes a duct leakage range of up to 15 per cent in these systems and suggests designers account for this loss in at least long duct runs. These notes provide a good hint in jurisdictions that don’t require duct sealing or in older homes that duct leakage rates much higher than 15 per cent may be affecting proper distribution of air. Expanded information on duct sealing methods and techniques, including the aerosolized sealant method applied under pressure, is provided. Specifically in new low load homes with lower airflow requirements, the need for precision in distributing those smaller flows implies the need for much better duct sealing. In over 25 U.S. states duct leakage testing down to rates in the three per cent to six per cent range are now a code requirement. The objective of lower duct leakage is also highlighted in an expanded section about the use of flexible ducts. References from the Air Diffusion Council design guide for the effective use of flexible duct have been added to take advantage of the inherent air tightness of these ducts while avoiding the challenge of increased resistance due to improper

Basements as livable spaces

A much-needed enhancement of effectively conditioning finished or habitable basements is a welcome discussion in the manual. Fortunately, advancing codes and energy programs are addressing the heat loss through basement walls, floor slabs and air infiltration. Thus, HVAC designers and contractors have more options in ensuring warm, dry, healthy lower living areas. In previous editions limited options for dropping supply ducts and return air runs near the floor or adding supplemental heat sources were provided. The supplemental heat option was often problematic because electric heaters, although very cost effective, prompted code requirements for higher insulation levels.

The new edition provides a better discussion on the challenges in keeping these spaces warm and offers more specifics on conditioning alternatives. For example, there is recognition that the higher total system static pressures, noted above, provide designers with alternatives. Those include using the higher allowable duct pressures to select diffusers with the specific ability to “throw” air across larger spaces and create supply air distribution patterns that effectively bathe exterior walls and slabs on-ground with proper amounts of warm air.

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A range of optionsReinforcing the importance of duct sealing

The move towards mass timber buildings − Part II

HVAC and plumbing challenges and the state of mass timber in Canada

Mechanical systems can have a profound effect on the aesthetic appeal of the interior of the structure with its large open spaces, high ceilings and attractive wooden beams.

This is the second in a two-part series about how builders are starting to embrace mass timber construction as a desirable option for residential and commercial buildings. In this second part, we look at the challenges designers and contractors encounter when installing HVAC and plumbing systems in mass timber structures, as well as a review of the state of the mass timber industry in Canada.

The move towards mass timber buildings is underway and gaining momentum each year. Contractors need to stay abreast of this new construction sector and how it will change the way mechanical systems are designed and installed. For more information, go to the International Association for Mass Timber Construction (iamtc.org) and the Mass Timber Institute (academic.daniels. utoronto.ca/masstimberinstitute/).

WHERE TO PUT THE MECHANICAL SYSTEMS?

Experts point to the HVAC and plumbing system design as one of the most important construction processes builders and mechanical trades have to address for mass timber structures. These systems can have a profound effect on the aesthetic appeal of the interior of the structure with its large open spaces, high ceilings and attractive wooden beams.

From the outset, the designer has to determine how the installation of these systems will mesh with the architectural look of the interior of the building. These design decisions will have a

CONSTRUCTION TRENDS
58 Mechanical Business 10.2232
Photos: Cook’s Construction, Rocky View, AB
If hiding some or all of the mechanical system components is determined, a number of options are available.
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significant effect on the way mechanical systems are installed. In essence, the decisions will determine what components of the systems will be visible versus hidden to create the interior look desired by the architect and builder.

If the architectural design for the structure uses the mechanical systems as a part of the interior look, ductwork, piping and other mechanical components can simply be left uncovered and blend into the architecture. If hiding some or all of the system components is determined, a number of options are available to the designer for the trades to use.

Two such options are building “light frame walls or soffits” and “furring out” mass timber walls. The light-frame wall option can be located on one or both sides of the mass timber wall panels to house HVAC and plumbing system components. The “furred out” option involves expanding a portion of the lower half of the mass timber wall (similar to wainscoting) to house mechanical system components.

Where the design calls for retention of as much of the “wood look” as possible, other solutions need to be used to hide the systems for aesthetics and retain good system performance.

One such option used in mass timber buildings is an “underfloor air distribution system” (UFAD). This system manages the balance between efficiency and aesthetics without requiring the extensive ductwork systems used in traditional HVAC systems. The “underfloor” aspect of the system is actually a raised access floor installed above the air distribution system. UFADs can also be used to run piping and other mechanical components.

One option used in mass timber buildings is an underfloor air distribution system.

Logistically, the raised access floor is built after the mass timber construction is complete and in a configuration that will house the complete HVAC system including ducts and diffusers. The result is a system that is completely hidden and maintains the majority of the building’s aesthetic value. Another benefit of the UFAD system is the mass timber construction process for the building is completed before the mechanical system’s work is started, which makes the whole construction process move quickly and more efficiently.

UFAD systems provide a wide range of improved performance aspects compared to traditional systems, including less time for installation, reduced loss of useable space, less energy use through more efficient air circulation and better ventilation.

The bottom line is design and installation of HVAC and plumbing systems in mass timber buildings take careful preparation and participation by contractors in the design process to ensure trade concerns are taken into account as the design unfolds. There are many options to meet the design expectations and contractors need to have their say on what is needed to “get the job done properly.” And don’t forget, local energy and building codes need to be reviewed to ensure the options used meet local and provincial requirements.

MASS TIMBER IN CANADA

In 2021, Natural Resources Canada (NRCan) in partnership with the Green Construction through Wood program released The State of Mass Timber in Canada 2021, an inaugural report on mass timber construction.

Seamus O’Regan, minister of Natural Resources at the time the report was released, stated “Canada is a world leader in building with wood, and we’re building bigger and taller buildings. Mass timber buildings are highly resistant to earthquakes, offer natural thermal insulation, are inherently fire-resistant, and can be rapidly installed. They’re also a critical nature-based solution to climate change, and an important part of getting to net-zero.”

The report covers the progress of manufacturing and building with mass timber. There is an increasing demand in Canada for sustainable building materials and “sophisticated design and production systems.” The report indicates that mass timber will play a key role “in low carbon construction and developing the bio-economy.”

Canada has completed or has under construction 702 mass timber projects with institutional (283), commercial (173) and residential (58) being the leading sectors. The report contains background on these projects, which represent more than 1.5 million square metres of gross floor space. There are also 21 mass timber manufacturing facilities across Canada.

One of the more prominent Canadian projects is Brock Commons Tallwood House, a student residence at UBC. The Commons is a test project of 18 storeys in height. When it was opened in July 2019, the building was “the tallest mass timber structure in the world” according to Wikipedia. The structure is 53 metres tall with a capacity of 404 students, a floor area of 15,120 square metres and is considered a “hybrid” in that it uses some concrete and steel in the construction.

Two other projects of note that are in the works are the Academic Tallwood Tower (ATT) at the University of Toronto and the Earth Tower to be constructed in downtown Vancouver. The ATT will be a 14-storey hybrid made of mass timber and concrete. The Earth Tower will be 37 storeys in height and could be the tallest mass timber structure in the world when completed.

CONSTRUCTION TRENDS Cont’d from pg. 32 58 Mechanical Business 10.2234
As conceptualized, the Canada Earth Tower in Vancouver will be the world’s tallest hybrid mass timber building.
Photo: Cook’s Construction, Rocky View, AB Photo: StructureCraft

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James Hobson:

PUTTING THE COOL IN ENGINEERING

James Hobson, a.k.a. the Hacksmith, created his YouTube channel as a record of his inventions, innovations and gadgets that he has designed. Today it has almost 13 million subscribers. Hobson, who is never short of ideas, just the time to implement them, has taken that built-in customer base and expanded Hacksmith Industries’ ventures to include a retail store where shoppers can purchase miniature versions of his inventions and Hacksmith branded apparel. Hacksmith Industries specializes in taking fictional items from comics, video games and movies and making real working prototypes in order to share them with the world on its YouTube channel. Using this relatable medium, Hobson has taken the boring out of engineering and that gives him incredible satisfaction. “I’d say that’s the biggest benefit of the YouTube channel − basically, inspiring youth around the world to go into science,

technology, engineering and maths by showing how cool it is to be an engineer. Kids say they didn’t know that was what engineering could be, thinking it was some boring thing. I feel we’re kind of doing the same thing for today’s generation as MythBusters did for my generation.

“I like keeping this idea of an industry that is the cool place to work. A lot of fans say ‘my dream is to work for you’ and that’s really great. I never imagined that when I started.”

Best-selling butane BBQ starter fashioned after the light saber.

Hobson has long been fascinated with engineering and as a teenager he knew it was the right career for him. “When I took tech class in high school, I learned that that’s engineering and then it was a pretty easy choice.” Ian Hillier, who would later join him at Hacksmith as co-founder and COO, was also in that tech class. “We went to high school together, college together, and worked on projects. When I started this business, he joined me very quickly after I quit my job,” says Hobson. The engineering bug stuck and Hobson went on to Conestoga College where there were lots of opportunities for hands-on projects. He graduated with a Bachelor of Engineering - Mechanical Systems Engineering. It’s been an adventure ever since.

Editor’s note:

MythBusters was a television show in the early 2000s wher e the hosts used elements of the scientific method to test the validity of rumours, myths, movie scenes, adages, Internet videos, and news stories.

By Kerry TurnerCOVER STORY Photos Hacksmith Industries Mechanical Business 10.2236
At the end of 2020 Hobson decided to do a full series on making “We did, I think an eight-part video series building all the parts

The business of YouTube

Between operating a successful Etsy account, writing for Hackaday and working full-time in an engineering position, Hobson’s plate was stacked after graduating. The Etsy business selling laser engraved cutting boards was one of the side hustles he continued when he started the YouTube channel.

“It paid the bills while the YouTube channel grew,” recounts Hobson. “That was part of the reason I quit my job, because basically between trying to do YouTube, working full-time as an engineer, doing the laser engraving business on the side and doing the academic writing, I was burning the candle at both ends. I had about six months maybe of savings, so I had six months to make it or to crawl back to an engineering job. Luckily, between Hackaday and the laser engraving business on Etsy, I was able to make enough money to survive.”

Hobson attributes some of Hacksmith’s success to his approach to running the channel as a business. “Lots of big YouTubers have lots of followers, but they never really built up a team or reinvested as much back into the channel. And because of the nature of what we do, which is engineering, we built it more like an engineering business. We’ve built up a team and are invested in building up the spec facility and having all the tools and resources. We have basically become a skunk works − being able to make anything under one roof.”

On the Move

Hacksmith Entertainment is in the process of moving from its current site in Waterloo, ON to a 15,000-sq. ft. site with 18 acres in Cambridge, ON where they plan to grow the business. “The new property has lots of outside outdoor space for projects and whatnot. And we’re planning a 30,000-sq. ft. expansion,” says Hobson. “The acreage will allow for some more MythBusters-level projects. You can go out to the field to test a cannon or something. We can’t do that right now because we’re in the middle of an industrial district. Having that space, I think, is going to be the next paradigm shift for the business, which will be the second big shift because the first shift was moving out of my garage into a real facility 10 times the size.

“The property is called HERC and it stands for Hacksmith Engineering Research Campus. The nature of even having an acronym as your business name adds curiosity. When you make it look cool and you have an acronym, people ask: ‘What is that?’”

Ideas for the new location include large art installations, creating a collaboration hub, operating summer camps, and building a soundstage, a priority for Hobson. “Once we have that soundstage built, I wouldn’t mind looking into buying a decommissioned fighter jet and modifying it a bit and just parking it on the roof. Because if you park a plane on a roof, suddenly people are asking: ‘What’s that building? Why is there a plane on the roof?’ It is an easy way to make your building cooler than your neighbours’.”

At the end of 2020 Hobson decided to do a full series on making all of the Mandalorian’s (a Star Wars Disney Plus television character) different gadgets and armour. “We did, I think, an eight-part video series building all the parts such as the flamethrower, the blaster, the sphere, the armour, the helmet and the jetpack.”

Hacksmith followed that up with The Bounty, a 25-minute short film it did in collaboration with a local production company. “The Bounty is pretty cool because to me it feels like almost the same quality as the Disney Plus Series, which obviously has a lot more money and production quality. But it was a fun experiment. It didn’t get that many views on YouTube because it was kind of out of left field for us. People weren’t expecting a short film, but it still has over 1.6 million views, which is good,” says Hobson.

all of the Mandalorian’s (a Star Wars Disney Plus television character) different gadgets and armour. such as the flamethrower, the blaster, the sphere, the armour, the helmet and the jetpack.”

Mechanical Business 10.22 37

PLUMBING

Fred Bretzke is a full-time pipe trades instructor with SAIT Polytechnic in Calgary. He can be reached at fred.bretzke@sait.ca.

TOOLS AND TECHNOLOGY

TAKE SOME OF THE PAIN OUT OF RENOVATIONS

It is often said that the two most important rooms in a house are the kitchen and bathroom as they are used and featured most frequently.

Kitchen and bathroom remodels continue to be two of the best investments homeowners can make. We will add one more room, and that will be the mechanical room as these sometimes need updating as well.

When it comes to plumbing updates, we should also include the outside water service and building sewer.

TECHNOLOGY AND DESIGN TO THE RESCUE

It is very difficult to estimate renovations as each one is unique and has its own complications to update it to current code. One might ask how much time to allow for labour as most plumbers have different speeds. Now if you have a cost-plus job, it’s a plumber’s heaven on earth, but some plumbers take advantage of this, hence this is not fair to the customer. On the other hand, if you have a customer who keeps changing their mind and they have no general contractor in charge, it is better off being cost-plus, otherwise the plumber may be taken advantage of.

The ideal situation is having a good general contractor running the job with plans, and then you should be able to quote most of it. How would you quote and do a renovation like this? If the plans are accurate, the plumber basically would have to have a good knowledge of the plumbing code and some advice on the building code. My first approach would be to figure out time to gut everything unless the contractor is taking care of that. If the contractor is taking care of it then make sure he knows where and what lines to properly cut and cap. After the space has been gutted, it is a little easier to visualize what to do.

IS THE WATER SERVICE UP TO THE TASK?

Let’s start with the outside services. I met with the city’s chief plumbing inspector and his senior inspectors again to go over codes, so we are on the same page. Their message for me was to tell my classes of apprentices they make sure to inform customers of upgrading water services. This is especially true when a small house is being renovated into a large one. People often add one or two bathrooms and another laundry. Once you exceed 16 fixture units

Mechanical Business 10.2238
Three-dimensional technology has changed the renovation experience.

of water volume (table 2.6.4.3. SIMPLIFIED METHOD), the water service must be upgraded from ¾ in. min. to 1 in. or 1 ¼ in. in size.

This means the city or a private company indemnified with the city would have to upsize the city water service on the city side of the property line at the customer’s expense. This price could range anywhere from $20,000 to $44,000 (prices a year before COVID) depending on the landscape. That’s just the tail piece, you still have to upsize the service through the front yard and into the house. As you are changing the water service, it is expedient to also change the old black coal tar or bituminized fibre pipe, clay tile, or cast iron building sewer. I have changed many of these. The old way was to allow for a front yard excavation and breaking out an inside hole in the concrete floor in the basement. These prices varied depending on length of front yard and what was in the way. Now with new technology we can sometimes pull a new water line and sewer line with just two holes, one outside and one inside. This proves to be more economical than overhauling a front yard and or garage front pad.

WHAT KIND OF HEAT?

Now let’s go to the basement mechanical room. Let’s say the renovation is making the house 1.5 times larger. You added two bathrooms and upgraded two bathrooms and a new kitchen was in the mix. You will need more hot water. Back in the day we added another normal 40 US gallon gas HWT in series and that did the trick.

Today there are all sorts of options. You could do the same thing, which would now cost at least $1,000 to $1,200 compared to $500 25 years ago. Or you could opt for a wall hung hot water exchanger, which is great for continuous hot water, that’s an additional $2,000 to $3,000. You could use some larger electric hot waters that are LEED-type energy efficient tanks and they range from $1,500 to $5,000. The more expensive options are typically more energy efficient over the long term.

As for heating upgrades, it depends if the customer wants forced air heating, a geothermal heat pump or hydronic heating. I’m not going to throw out general pricing on heating as there is such a variety of options. That being said the geothermal and hydronic infloor heating would be the most expensive but also the most economical over the long term.

Forced air heating is the cheapest, but once again in the winter you then have dry air blowing through the house, or one can install a humidifier to offset this problem. Adding a bigger furnace to augment heat for the extra space is something plumbers/gasfitters are qualified to do in Alberta, yet they will still need a qualified HVAC specialist to install the duct work beyond the gas, supply and return plenum. Speaking of the gas line, it will probably need upsizing also. Back in the day this was a pain as we did this in black steel piping, which required more time and space to install. Now it is much quicker as we can upgrade with yellow gas tite flex, which doesn’t require threading. Typically, people like to add a gas fireplace or two to their renovation.

Many people are concerned about how safe their drinking water is and how it tastes. This has led to advancements in reverse osmosis systems for residential. The old reverse osmosis systems used to require up to 10 gallons of water to get just one gallon of clean tasty water. Now the new systems use only one to three gallons of water to produce one gallon of reverse osmosis water.

MODERN KITCHENS AND BATHROOMS

Finally, let’s get to the show off stuff. I used to hate doing kitchen renovations, usually the architect and/or interior designer had no idea about the hidden mechanical and this caused major problems. Of course, this is where my love of new technology comes into play. Three-dimensional technology has changed everything. You can now see the renovation in advance, which helps greatly with the mechanical system design.

It shall be rated for the same size of pipe to which it is connected to

Most kitchen renovations have a kitchen island in the design. People love their kitchen islands complete with new in-counter sinks, fancy taps, stainless steel dishwasher and even in-counter ranges. Reverse osmosis is also an option for tastier water. Back in the day kitchen islands were a pain in the butt, but (no pun intended) now it is much cheaper and easier. Now we can legally use an air admittance valve (cheater vent) instead of an island vent, which required a lot of collateral damage (AIR ADMITTANCE VALVES Section 2.5.9. of the NPC).

67
The use of an air admittance valve on the right instead of the traditional island vent, definitely saves time and money. Photo: Canature Water Group
Mechanical Business 10.22 39

EVERYBODY IS IN THE KITCHEN

Most people like to entertain in a beautiful kitchen. The stove is an integral part of that, with gas ranges being popular with those who love to cook. Whatever location the gas stove is in, whether it be in the wall or in an island or floor-standing, it is not too hard to extend a new gas tite flex line to it depending on the BTU gas rating of the range. The actual installed price of the appliance can be costly.

There are many different jacuzzi style tubs, and most new bathrooms are four or five piece bathrooms with separate jetted tub and showers. Even the bidet is making a big comeback as part of a toilet seat.

I would say the main difference in regard to modern bathrooms and

are the energy and water saving fixtures. They may cost more but they use less power or water.

Cont’d from pg. 39PLUMBING 42 24 Mechanical Business 10.2240
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PLUMBING

He can be reached at kevin@oatey.ca.

HOW TO CHOOSE BETWEEN PNEUMATIC AND MECHANICAL PIPE PLUGS: FOUR FACTORS TO CONSIDER

In 1953, while working on an institutional job, Lloyd Cherne vulcanized a tire’s Schrader valve to a child’s inflatable rubber ball to create the pneumatic plumber’s test plug.

Since their inception nearly 70 years ago, pipe plug offerings have expanded to include testing, maintenance, and repair equipment for Canada’s plumbing and municipal sewer markets, and are offered in two types: pneumatic and mechanical, covering a range of pipe sizes.

Mechanical cleanout plug

But the question remains: How do you decide between pneumatic and mechanical plugs? There are four questions or factors that will likely impact this decision. Once you have determined the I.D. of the pipe you need to plug, what you need the plug to do, the back-pressure the plug needs to withstand, the media that needs to be blocked, and how long you need to keep the pipe plug in place, you can determine which plug to use based on your findings.

1What is the inside diameter of the pipe you need to plug?

The first step in choosing a pipe plug is determining the pipe’s I.D. (inside diameter). It’s important to check the I.D. of the pipe to be plugged and match it to the usage range of the plug to make sure it will work in the intended pipe.

Pneumatic plugs come in sizes ranging from 1 in. (25.4 mm.) to 96 in. (2438.4 mm.). Plumbing and municipal sewer workers can use them for blocking, bypassing or redirecting effluent, or conducting line acceptance or leak-location testing using air. Pneumatic plugs are designed to fit one pipe size or multiple pipe sizes.

Mechanical plugs are available in sizes ranging from .39 in. (9.9 mm.) to 18 in. (457.2 mm.) and do not need to be inflated. They are expanded to fit tightly within a pipe or open mechanically. Most only require hand-tightening.

3

PNEUMATIC PLUG SAFETY TIPS:

• Never enter the danger zone

• Monitor the placement and pressure of the plug during operation

• Clean with mild soap and water

• Store the plug in a dry place, below 110ºF

2What do you need the plug to do?

Pneumatic and mechanical plugs can be used for various purposes. To determine which plug to use, you have to nail down the purpose of the plug by asking: do I need to block a pipeline or an opening; bypass effluent that is running through a live pipeline; pressure test a new pipeline before placing it into service; or test a pipeline already in service for leaks?

As mentioned above, pneumatic plugs are used for blocking, bypassing, conducting line acceptance, or leak-location testing using air. Most mechanical plugs are designed for blocking. However, there are mechanical plugs available with or without a bypass that can be used for bypassing or air testing.

What is the point of access size you need to install the plug, and what is the maximum back pressure the plug must withstand?

The size of the point of access into which you need to install the plug will likely impact the plug required for the job. Back-pressure is the pressure (air or liquid) in front or back of the plug that it must restrain or hold back.

The total force exerted on a pipeline plug is directly proportional to the pressure and the pipeline area. It’s important to check the back-pressure rating on the plugs to ensure the pressure you need to block does not exceed the plug’s capabilities.

42 Mechanical Business 10.22
Kevin Barrington is manager, specialty sales with Oatey Canada.
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The type of plug needed will depend on the media the plug needs to block; for example, air, water, sewage, or something else.

Pneumatic plugs:

Pneumatic plugs are meant to be used in short-term applications.

If a pneumatic plug needs to remain in place for longer periods, its inflation pressure must be checked every four hours and adjusted as required.

Pneumatic plugs can be inflated with air, water, or inert gas (nitrogen). It’s crucial never to overinflate, or under-inflate plugs.

When pneumatic plugs are in use for safety reasons, the work area has to be cordoned off so that nobody gets in front of the plug. For this reason, an extension hose must be used to inflate and deflate pneumatic plugs from a safe distance.

Mechanical plugs:

Mechanical plugs do not need to be inflated. They are expanded to fit tightly within a pipe or open mechanically.

Most mechanical plugs only require handtightening.

Mechanical plugs are the correct choice for long-term or permanent installations. Some offer specialized features such as chemical resistance, the ability to lock in place, or are designed for specific applications, such as pipe hubs and clean out coverings.

BE MINDFUL

Pneumatic plugs can be inflated with air, water, or inert gas (nitrogen).

It’s crucial never to overinflate, or under-inflate plugs.

PLUMBING 44 Mechanical Business 10.22
What media does the plug need to block, and how long does it need to be kept in place?
Cont’d from pg. 42
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WHENEVER PIPING IS INVOLVED

Heating season prep applies to you and your stuff

Two things come to mind regarding preparation for the upcoming heating season. The first concern is you. Are you ready physically and mentally? I don’t mean to sound like your mother, but are you eating well, staying in shape and avoiding too much late-night partying? You owe it to yourself and customers to show up ready for the challenge.

There certainly is no lack of online info to help you choose the best diet; find the right plan and foods that work for you. When you are on the road take the time to stop for lunch or snacks throughout the day. Coffee shops on every corner make it quick and easy to stay hydrated. They do sell other beverages, which are perhaps healthier than coffee.

If the term yoga frightens you, check out some basic stretches to start and finish the day. Your dog does them regularly so there must be something to it. As with anything these days, there are plenty of online videos if you want to go to another level with stretching and relaxation tutorials. Be happy, stay engaged with your fellow workers and customers. If you hate getting up early and going to work, it’s time to find another occupation. One-owner shops can easily suffer work fatigue when the season gets busy.

Prepping for your financial health

Is the juice worth the squeeze? Do you feel you are in a healthy position wagewise? Things aren’t getting cheaper. With plumbing and HVAC skills, you should be able to write the exact deal you need to provide and save for your family. Perhaps your body is worn down from years of lifting, pulling and stressing. It may be time for a side move in the industry. Virtually every factory rep company, wholesaler and manufacturer is looking for the right people to grow its team.

Participate online with a chatroom that fits your style. Stay abreast of what goes on in other areas of the planet by following companies in the industry on LinkedIn and reading trade publications.

Getting the rig ready

Unquestionably a part that is the most fun for many contractors is getting the shop and rig ready for the busy season ahead. A clean, organized workspace and service truck crosses between the mental aspect (reduced stress) and the ability to be efficient and profitable. Knowing what you have and where it is speeds and smooths out the process of installing and repairing.

Commit to a seasonal cleanout of your workspace and vehicle. Make the switch from cooling parts and equipment to heating or cold weather specific

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26
Mechanical Business 10.2246
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Stay in touch

What about your communication equipment? It’s a digital world and one key piece keeps you in the loop with your company, customers, factory support and family. Your phone can be one of the best tools you own. You need one with a good camera for documentation. Check out adapters such as infrared (IF) cameras to extend its ability to document jobs.

I see drones being used more and more for documenting installations such as geothermal fields, radiant layouts and utility line installations. Are you doing commercial work? Send the drone up to check out rooftop work, get an idea of what may be needed before the crane shows up.

Tool rental is another thing to consider if you cannot spring for the latest in press technology, for example. Many of the wholesalers I visit have a selection of press equipment for rent or loan, when you start looking at larger sizes, two in. and up, the cost may be out of reach for the one-man shop. Press technology can save, and make money on those emergency repairs.

Supply issues

How much inventory can you afford to keep on hand? We all know how hard it is getting supplies and product these days. You have a good idea of what the typical consumables are for your work area. I know of a local HVAC contractor who took out a second mortgage to load up on furnaces and AC equipment when he saw the shortages coming. It was a risky move, but he made some good coin selling not only to his customers but also to competitors. It could be as basic as loading up on glycol or 40Va transformers when they are available. Even better for cash flow, coordinate with your wholesaler to ensure you’ll have the equipment you’ll need this season.

“I know of a local HVAC contractor who took out a second mortgage to load up on furnaces and AC equipment when he saw the shortages coming. It was a risky move, but he made some good coin selling not only to his customers but also to competitors.”

Look ahead

I suppose no article of mine would be complete without a mention of training. It should never end at your business. Technical training is always top on my list. Whether it is online courses on how to service or program the equipment you sell and service and/or expos to see and learn about new products, it is time well spent. I don’t know of anyone who doesn’t learn something new and interesting at a good tradeshow, so snoop around, see what is coming your way.

Sometimes low on the list but necessary are seminars and training on how to run your business, account for the money, and demystify insurance and retirement plans. These are areas of business we all need to stay on top of. Retirement and investing are especially important areas to focus on, particularly with this aging workforce.

So, start your list, in your head or on that smart phone, and get going today on these sound suggestions. A job started is a job half-finished.

Bob “Hot Rod” Rohr has been a plumbing, radiant heat and solar contractor and installer for 30 years. A long-time columnist and trainer, he is manager of training and education with Caleffi North America. You can reach Hot Rod at bob.rohr@caleffi.com.

Cont’d from pg. 26
Mechanical Business 10.2248
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Heat exchanger panel

The HEP isolation heat exchanger panel with dual secondary pumps from HeatLink provides single wall isolation between a DHW tank and a heating system where a 24-hour timer is required. It is a pre-fabricated solution for radiant floor heating systems. Connect the primary and secondary piping, expansion tank and thermostat, then plug it in. The panel can be used with any hot water heat source, and includes a heat exchanger for isolation, primary and secondary pumps, isolation ball valves, pressure relief valve, expansion tank connection, simple piping to manifold, and plug and play wiring.

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Scale prevention

Navien’s PeakFlow C scale prevention system for commercial applications and larger homes is the latest model in the company’s eco-friend ly, chemical-free scale prevention products. Able to handle flow rates up to 20 GPM, the unit can be installed at the main water line or at the cold water inlet line before a tankless water heater or combi-boiler DHW system. PeakFlow technology transforms potential hard scale buildup to soft scale that can be washed out with water flow.

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Magnetic separator

Spirotherm’s Spirocombi Magnet is a com bination air and dirt separator that includes magnets and a universal connection. The unit offers the efficiency of the Spirovent air eliminator, as well as separating fer rous and non-ferrous debris, which can be flushed away without having to open the unit. A rotating universal connection allows for installation in horizontal or vertical piping, for both traditional and wall-mount boilers. The unit is available in 3/4-, one-, 1 1/4-, 1 1/2- and two-in. sizes with threaded, sweat and press fit connections. www. spirotherm.com ontor.com

Boiler filter

The magnetic boiler filter XL from Webstone is a 12,000-gauss magnet designed to capture ferrous debris. The filter works with press, FIP, MIP, and SWT system piping, and a universal diverter allows it to be used with any piping orientation. The unit includes union connections to simplify installation. It comes with a service tool and is now available in 1 1/4- and 1 1/2-in. sizes. www.

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Combi boiler

Triangle Tube’s Instinct combi floor standing boiler features a Caleffi 548 Series Separator, Tsync Wi-Fi connectivity, stainless steel fire tube heat exchanger, DHW top connections and built-in pump. The CTRLMAX Control System-EZ Setup allows for fast setup, and easy troubleshooting in plain text without codes. The three-in-one universal vent adapter directly accepts PVC, polypropylene, and stainless steel. The unit is available in 155 and 199 MBH sizes, with either 155,000 or 199,000 BTU max input and 8:1 turndown ratio. www.

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WORKING WITH R400-SERIES REFRIGERANTS

Approximately 30 years ago, several refrigerants emerged as alternatives for chlorine-containing CFCs. Just a few examples of some of these alternatives are R401A, R401B, R402A, R402B, etc. The majority of these refrigerants were in the R400-series category and are also referred to as zeotropic refrigerants. These refrigerants were blends of pure (single) refrigerants such as R22, R124, R125, R152a, R290, etc. Each of these individual refrigerants have their own pressure-temperature characteristics. So, for a given pressure, these refrigerants change state at different temperatures. For this reason, mixing refrigerants such as these will result in a temperature glide within heat evaporators and condensers as the refrigerant within evaporators and condensers changes state.

OTHER FACTORS

To some extent, the maximum theoretical temperature glide will depend on the refrigerant with the lowest saturation temperature and the refrigerant with the highest saturation temperature. However, there are other factors such as the amount of each refrigerant in the blend.

For each pressure value, an R400-series refrigerant has both a bubble point temperature and a dew point temperature. The bubble point can also be referred to as the saturated liquid temperature. Similarly, the dew point can also be referred to as the saturated vapour temperature.

In the condenser, all of the temperature glide that an R400-series refrigerant exhibits, will be present. This means that after the hot vapour from the compressor is desuperheated, it reaches its dew point temperature. As the refrigerant continues to reject heat, it changes state from a vapour to a liquid. Meanwhile the temperature gradually drops from the dew point temperature to the bubble point temperature. Once the bubble point temperature is

reached, there will be no more vapour present. At this point, any further reduction in the heat content of the refrigerant will result in subcooling.

This brings up an important point about checking superheat and subcooling values in a system. Either the dew point or bubble point must be used as the reference temperature. However, if the wrong reference temperature is used, the amount of superheat or subcooling that you read will be off by the amount of temperature glide present.

For example, if we want to determine the amount of subcooling present in a liquid line, we will first read the pressure. For this pressure value, there are two reference temperatures. Again, these are the bubble point temperature and the dew point temperature. When determining subcooling values we must always use the bubble point as the reference temperature in order to obtain a correct value.

Many of the printed pressure-temperature charts list only bubble point values in the higher temperature range. For example, they may list bubble point temperatures of 50°F and higher. Similarly, only the dew point temperatures are listed below

REFRIGERATION
Phil Boudreau Phil leads special projects and provides national technical support for Bitzer Canada Inc. He can be contacted at pboudreau@bitzer.ca.
58 Mechanical Business 10.2252

50°F. With these types of tables, it is less likely that the technician will use the wrong reference temperature. In other cases, some tables and refrigerant apps for mobile devices provide both the bubble point and dew point temperatures. Therefore, the technician must choose the correct value.

Here is an example to confirm the correct procedure for checking the amount of subcooling present in a liquid line containing R449A. The pressure reading that we measure on the liquid line is 207.8 psig. The temperature that we read is 82°F. According to the mobile app, the dew point temperature is 98.2°F

and the bubble point temperature is 90°F. Since we are checking a subcooling value, we must use the bubble point as the reference temperature. Now, we simply subtract the actual temperature that we read on the thermometer, from the bubble point temperature. This results in a subcooling value of 8°R (90°F – 82°F).

Note that if we were to use the dew point to determine the subcooling, we would come up with a value of 16.2°R (98.2°F – 82.0°F). This confirms that by using the wrong reference temperature, our subcooling value will appear to be much higher than what we actually have. Specifically, the subcooling will be off by the amount of temperature glide present at 207.8 psig.

It is important that the technician can correctly determine the evaporator, compressor suction and compressor discharge superheat. On page 54, is a similar example of a superheat calculation. For this

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temperature is 15.3°F. Since we are checking a superheat value, we must use the dew point as the reference temperature. Now,

simply subtract

temperature from the actual temperature that we read on the thermometer at the outlet of the evaporator. This results in a superheat value of 11.1°R (36°F –24.9°F).

Note that if we were to use the bubble point to determine the superheat, we would come up with a value of 20.7°R (36°F – 15.3°F). This confirms that by using the wrong reference temperature, our superheat value will appear to be much higher than what we actually have. Specifically, the superheat will be off by the amount of theoretical temperature glide present at 51 psig.

Superheat in a liquid containing R449A

The term theoretical temperature glide refers to the maximum amount of temperature glide present for a given pressure. In the evaporator, the refrigerant never enters at the bubble point. This is because some of the refrigerant flashed to a vapour in order to reduce the temperature of the bulk of the liquid entering the evaporator. Therefore, the actual temperature entering the evaporator (after the expansion valve), will be higher than the bubble point temperature.

When checking superheat and subcooling values, it is also very important to ensure that the pressure gauge and thermometer that we use are of the correct type for the application, are accurate and calibrated.

There are many electronic manifolds that will read the pressures and temperatures on both sides of the system while conveniently indicating the superheat and subcooling values. Although this simplifies the process, it is important that technicians know how to do this manually.

REFRIGERATION That’s how you know it’s for HVAC/R. Look for the flare! Some of the best and hardest-working HVAC contractors rely on proven RLS press technology to help them get the job done right, and more efficiently. But don’t take our word for it. Check out the members of our #pressgang on Instagram – those shown here and so many others – to see how RLS press fittings give them valuable benefits like these: • Connects in 10 seconds • No flame, no fire hazards • No hot work permits • No fire spotters • No nitrogen purging • UL listed to 700 psi • 15 million+ fittings installed • CRN 0A22551 and 0A18303 Follow RLS on Instragram: @rapidlockingsystem @jeffdemhvac @qualityhvacr @howardmechanical @hvacknowitall1 rapidlockingsystem.com Helping Contractors Get the Job Done Right Since 2015. Download the RLS Toolbox App 58 Mechanical Business 10.2254 Cont’d from pg. 53
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Busting common heat pump misconceptions

Arecent survey conducted on behalf of BC Hydro found many British Columbians are hesitant to install a heat pump because of lack of awareness and misconceptions about how they operate.

“Many British Columbians are missing the benefits of a heat pump including thousands in rebates and significant reductions in carbon emissions because they are sticking with what they know,” says Kevin Aquino, BC Hydro spokesperson. “We want to dispel the more common heat pump misconceptions so British Columbians can make informed decisions about the best way to heat and cool their homes.”

Just over a quarter of British Columbian homeowners expect they will have to replace their natural gas furnace within the next five years, and almost a quarter (24 per cent), said they are unlikely to consider installing a heat pump, with another 14 per cent saying they are unsure. Part of the reason for the hesitancy is a lack of heat pump knowledge. For example, 30 per cent of those who are not likely to replace their natural gas furnace with a heat pump said it is because they do not know enough about heat pumps.

“Heat pumps have been around for a long time and, in the past did not work for everyone, but recent advances in their technology have made them the perfect alternative to heating with gas or fossil fuels for most British Columbians,” Aquino adds.

Misconception: Heat pumps are costly to operate. Sixteen per cent of British Columbian homeowners think so.

Fact: While costs depend on many factors, including type of system, size and location of a home, heat pumps can be 300 per cent more energy efficient and much less expensive to run than electric baseboard heaters, and comparable to the cost of natural gas heating. With BC summers getting hotter because of climate change, heat pumps can also cut down on cooling costs. They are more efficient than portable air conditioning or window units, which are on the rise in BC, and can reduce customers’ carbon footprints when switching from a natural gas system because they use hydroelectricity.

Misconception: Heat pumps do not work in cold weather. Eighteen per cent said they believe heat pumps do not work well in the cold.

Fact: In recent years, technological advances have allowed heat pumps to perform in very cold temperatures – some can provide adequate heating in temperatures as low as -30°C. In very cold climates, supplemental heating from other sources like electric baseboards can help.

Misconception: Heat pumps are expensive. More than 30 per cent of British Columbian homeowners who have not considered installing a heat pump said they think it is too expensive to buy and install.

Fact: While some higher-end models can cost a bit more, the average cost to buy and install a system for small homes is about $7,000 and about $16,000 for larger homes. In many cases this is comparable to costs of installing both a gas furnace and central air conditioning. Rebates are offered in many jurisdictions. For example, BC Hydro offers up to $3,000 in rebates for switching from a fossil fuel-based system, which can be combined with provincial and federal rebates for a total savings of up to $11,000 on cost and installation.

Misconception: Heat pumps are noisy and take up a lot of space. Eight per cent of British Columbian homeowners said they think heat pumps are noisy, and seven per cent said they take up a lot of space.

Fact: Most outdoor units have a sound rating around 60 decibels, which is comparable to the sound of light rainfall. Indoor units are even quieter and generally between 18 and 30 decibels. Ultra-quiet models are also available. Air source heat pumps require very little room, and the inside units are compact and mounted on walls.

For
more information visit powersmart.ca.
Contractors
need to educate
customers HEATING 24 Mechanical Business 10.2256
For more info visit daikinfit.com The Daikin Fit System — Revolutionizing the Future of Condensing Units for Residential Applications AVAILABLE FOR AIR CONDITIONER, HEAT PUMP, AND DUAL FUEL APPLICATIONS! 1.5-5 Ton Up to 18 SEER | Up to 10 HSPF | Up to 97% AFUE

Name: Andrew Hoerner Nickname: The Professor Company: Hoerner Heating & Plumbing Service Inc. Job title: Owner and senior technician

Born/Lives in: Toronto, ON Age: 58 Spouse: Tracey Children: Triplets Alex, Emma and Dylan, 22 Pets: A Havanese and Shih Poo named Lupin and Panda

Andrew Hoerner: Committed to growth

When Andrew Hoerner was a plumbing student, he received some business advice that he turned into a challenge. “A teacher once told me ‘when sons take over their father’s business they run it into the ground,’” he recalls. “I really took it to heart and aimed to prove them wrong.”

Hoerner worked with his father for 10 years, beginning when he was just 14, and took over Hoerner Heating & Plumbing Service Inc. in 1991. Not only has the company remained successful, it’s grown significantly in the past three decades, and today does residential servicing throughout some of Toronto’s most affluent neighbourhoods.

But Hoerner admits that the early years were difficult. “I was not prepared to own and operate a business. I knew nothing about profit and loss statements and all that, and how to calculate how much to really charge to make a profit. So mentally I was ready for it but I don’t think I was educated enough to apply the principles that are required to run a profitable business. I didn’t learn that till we became part of Nexstar and Plumbers’ Success International.” He adds that his wife, Tracey, has also been a key part of the businesses’ success. “She’s the driving force,” he laughs. “She’s the one who comes up with innovative ideas, which I think are crazy, but then we put them into play, and it works out great.”

The older Toronto neighbourhoods have a lot of tree root infiltration, so Hoerner Heating does lots of drain repair and replacement, as well as residential repairs. The company is also busy with water heater replacements and installing plumbing systems, boilers and tankless water heaters.

“There have been a few calls now for hybrid electric water heaters,” says Hoerner. “They’re not cheap, but people who are into that seem to want it, and don’t mind paying a little extra because they’d rather not use natural gas to heat their hot water. We’re doing an installation right now of a Viessmann boiler, and we really pride ourselves on the installation, and all the add-on equipment, like dirt magnets and air separators – we try to do everything top notch and not leave anything out.”

Because the company continues to expand, Hoerner says space has become a new challenge. “Our shop is fairly big but it’s too small for how much we’ve grown, and we have 11 trucks in the field, so it’s tricky,” he says, explaining that most of their techs take the trucks home, and arrive for work in the morning in intervals. “So, it would be nice to have a larger property where we could store some of the trucks, have a garage and some offices.”

Road Warrior
54 Mechanical Business 10.2258
Photo Rob Kinghorn
Photography

In the mechanical industry since: 1980

Schools and programs: George Brown College, plumbing certification, graduated 1983

Favourite class: Plumbing Theory and Drain Plan Drawings

Advice for young people considering entering the trades: Not to worry if it takes time to grasp concepts, it is better to fully understand so you can best service the community.

The current work ride: Ford Transit 250

Service area: Toronto, ON

Any area you like to get dispatched to, and why?

The ones that are close to home since they are easiest to travel to and from.

Favourite part of the job? Training our technicians and seeing them grow in their respective fields.

The most useful tool in your toolbox: Calculator

Your favourite tool in your toolbox: Combustion analyzer

Tool that you wish you had? Copper pipe bender

Favourite sport: Cycling

Do you play an instrument? Harmonica

Favourite band/performer: Coldplay

Best concert you ever attended? Bruce Springsteen

Favourite book: How to Prevent and Reverse Heart Disease

Favourite TV show: Ozark

Favourite movie: O Brother, Where Art Thou?

Favourite restaurant: Anything with a rooftop patio

Favourite place to be: At our river house in Marmora, ON

Last books you read: 12 Rules for Life: An Antidote to Chaos, and The Pleasure Trap: Mastering the Hidden Force that Undermines Health & Happiness

One place in the world you would like to visit: Iceland

Biggest pet peeve: When cement trowels are not cleaned

Three albums you’d take with you to your desert island:

1. Hotel California – The Eagles

2. Outskirts – Blue Rodeo

3. Parachutes – Coldplay

One thing most people don’t know about you: I used to be okay at riding horses

If you could meet anyone, alive or dead, who would it be? Arnold Schwarzenegger

Are you part of a sports team? Morning Glory Cycling Club and Riverdale Riders

Finish these sentences: My rule of thumb is…read the manual

If I had a million dollars…I would buy a Tesla

When I was a kid, I wanted to be a… professional gymnast

If I had a super power it would be…to be Spiderman

Mechanical Business 10.22 59

Heating Product Showcase

Energy meter

Belimo’s 22PE series thermal energy meters are designed for accurate flow and energy measurement for IoT-based billing. The meters automatically select the correct glycol concentration to provide proper flow and energy measurement for hydronic heating and cooling systems. With ultrasonic transit time technology, each unit is individually wet calibrated to ensure accuracy. The 22PE series is available in 1/2- to two-in. sizes. belimo.ca

Inverter-driven heat pump

Amana’s AVZC20 inverter-driven heat pumps provide up to 21 SEER and 10 HSPF performance. The units are available in two- to five-ton sizes, with heating capacities of 22,800 to 52,500 BTUH. Other features include Comfort Speed inverter technology for consistent indoor comfort and quiet, variable-speed energy-saving operation, and seven-mm, refrigeration-grade copper tubing and aluminum fin condenser coil configuration. amana-hac.com

Reference guide

The Cleaver-Brooks Hydronic Boiler Quick Reference Guide provides an overview of the company’s integrated solutions, including condensing hydronic, dual-fuel condensing, electric and packaged watertube boilers, as well as boiler room accessories and aftermarket parts. The guide outlines system components and boiler room layout considerations, as well as boiler input to output, minimum flow and flow rate calculations. cleaverbrooks.com

Cold climate heat pumps

Smart thermostats

ecobee has launched the ecobee Smart Thermostat Premium and the ecobee Smart Thermostat Enhanced. Both units are built with radar for improved occupancy and motion detection, and have a larger display to make them more user friendly and easy to install. The premium model features an indoor air quality monitor and embedded smart speaker with choice of Siri or Alexa built-in. Both thermostats are designed to seamlessly integrate with smart home systems. ecobee.com

The Arctic Heat Pump cold climate heat pump features variable speed pumps, Panasonic EVI DC inverter compressors, European Sanhua valves, and Chico digital control system. All this is harnessed directly into a complete weatherproof housing. arcticheatpumps.com

Hydronic heating solution

The Rinnai Canadian Air Handler (CAH) is designed for use in colder climates, and can be installed with Rinnai’s tankless water heater or I-Series combi boiler for hydronic heating and domestic hot water. The integrated unit is compact and offers multiple installation options. It is suitable for low-velocity or mid-velocity applications. Models are available with or without an external circulator pump. rinnai.ca

2022
Mechanical Business 10.2260

PRESENTS ONE OF ITS MULTIPLE DECARBONIZATION SOLUTIONS

With simultaneous heating and cooling capabilities, heat recovery and industry-leading efficiencies, the WaterFurnace TruClimate 500 & 700 Chiller Series are redefining flexibility for the commercial and industrial markets. Whether you are plan ning a new building or replacing aging equipment, the modular cabinet design and patented 4-pipe & 6-pipe removable header rack are a perfect fit.

Flexibility: They can fit through standard 36-inch doors and on freight elevators, and even passenger elevators making them an excellent choice for retrofit or construction.

Reliability: The WaterFurnace Hydrolink controls platform provides tighter temperature control while maximizing chiller efficiencies.

Enhanced peak performance: The TruClimate 500 & 700 has an ultra-quiet design, and it exceeds ASHRAE 90.1 efficiency requirements.

Modular – redundant design: N+1 modularity provides true independent function and fully redundant operation for buildings with critical loads. Each module can be individually isolated from other modules in the building for servicing without interrupting operation to other modules in the bank.

Serviceability: Completely remove chillers without interrupting operation to the chiller bank.

Designed to fit through a standard doorway

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Heating Product Showcase

System controller

Thermal camera

The FLIR T500-Series has a 180° rotating lens platform and a bright four-in. LCD screen. The cameras are engineered to help users diagnose hard-to-reach components in any environment and have advanced on-camera measurement tools and laser-assisted autofocus. Features include MSX thermal image enhancement, remote camera control and streaming video, updated organizational tools, compass and GPS, optional lenses, continuous autofocus, and T640 Viewfinder. flir.ca

The GeniSys 7565 controller from R.W. Beckett is engineered to improve efficiency of troubleshooting and ease of programming. When connected to a smart phone and the myTechnician app it provides users with real-time diagnostics of current and previous cycles, enabling them to quickly resolve issues and maximize a heating system’s uptime. beckettcorp.com

Electric hot water tank

King Heating’s Eco-King Saga series stainless steel electric hot water tanks are available in two capacities, 52 or 80 usg, and with single or dual 3kw or 5kw elements. The tanks can store water up to 170°F. The included mixing valve tempers domestic outlet water down. kingheatingproducts.com

Reimagine your rough-in

Return Air Frames

Thermopan

Snap Clamps

Have you been looking for a solution that keeps your duct system clean during rough-in?

Our windowed and filtered frames are just what you are looking for

Tested and trusted since 1992

“Anywhere you can pan a joist space, you can use our Thermopan.”

Our YouTube channel got a fresh remodel, don’t miss out!

Your new favorite lineset and pipe hanging solution

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2022
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Mechanical Business 10.2262

Enhanced comfort and control

It’s an Amana® brand.

Inverter technology. American legacy.

Select Amana brand condensing units feature Inverter compressor technology. So now, you can sell your customers the best of both worlds: technology and American pride. Inverter compressor technology, designed to provide precise indoor temperature control, offers enhanced comfort solutions to you and your customers. To learn more about the Amana brand, America’s brand for comfort, talk to your Amana brand distributor today or visit www.amana-hac.com.

Precision

Heating Product Showcase

Unit heaters

Reznor gas-fired unit heaters in models UBX, UBZ, UDX, UDZ, and UEZ are compact, easy to install, and can accommodate any space heating need for commercial, industrial or residential use. The energy-efficient units are available in many sizes and configurations, and offer a durable design with a showroom appearance. Each unit’s zoning capabilities can save energy by directing the heat only where it needs to go.

eccosupply.ca

Fan coil

The TRACvalve variable fan coil provides Leaving Air Temperature (LAT) control. The unit is designed to improve central plant efficiency by up to 40 per cent, and modulates the flow of hot and cold water to create the appropriate room temperature. The self-balancing TRACvalve also features modulating, two-way 130 psi close, reduced flow of up to 80 per cent, and a 300:1 range. A typical valve package includes the test ports; ball valves; modulating two-way, 50 PSI close; and a strainer with blow down cleanable flow limiting valve.

williamscomfortprod.com

Backup electric heat

Olimpia Splendid introduces the Maestro Pro Inverter 12 heat pump with 2KW back up electric heat in 2234 and 2283 (230V) models. Offering a max heating capacity of 9,500 to 10,600 BTUs and max cooling capacity of 10,500 to 11,600 BTUs, the units provide total air diffusion for consistent temperature throughout the space. Featuring multifunctional remote control or wireless wall-mounted thermostat and a 24-hour timer, the heat pumps offer dehumidification, fan, auto, sleep, silent or economy mode, and can be installed from inside the space in minutes.

olimpiasplendidusa.com

2022
Heating & Cooling and IAQ Made Easy with Hi-Velocity Systemstm Clean Comfortable Air with no Hot & Cold Spots! Small Diameter Flexible Duct Superior Indoor Air Quality and Climate Control Call us today for more information 1-888-652-2219 or visit www.hi-velocity.com HE-Z Series Zoning Fan Coil CUBE Series Fan Coils (1-2 Tons) Now Available - Our Smallest and Largest Capacity Fan Coils HE-P Series Fan Coils (10 Tons) 3-Stage HEPS In-Duct Air Purification System 1, 2, 3 or 4 Supply Collars Filtration, UV-C Purification, Catalytic VOC Reduction Mechanical Business 10.2264

Smart thermostat

The new Smart Wi-Fi thermostat for electric heating 3000 W from Sinope is designed for use with a baseboard heater, convector, fan-forced convector or radiant ceiling heating, and allows for universal installation and compatibility with two or four wire connections. The thermostatt is easy to install and set up with any platform, and can be controlled via a smart phone or tablet. The unit is also compatible with platforms such as Apple Home or Amazon Alexa. sinopetech.com

Thermal mass furnace

The Cocoon electric furnace distributed by Unico uses a solid ceramic thermal mass which produces heat in the infrared spectrum. The modular unit has a compact footprint and includes a multi-stage, variable speed blower and ECM motor, with artificial intelligence and Internet of Things technology to monitor and self-diagnose complications. It is designed to use up to 41 per cent less electrical energy to produce heat. The units are available in sizes up to 1,800- and 3,200-sq. ft. coverage. unicosystem.com

Three-fuel boiler

The Hurst EGO Series 3-Fuel Boiler can be fired by gas, oil or electricity, with near 100 per cent capacity when running electric. With capacities from 30 to 2,000 bhp, and 1,004 to 66,950 MBTUH, the boiler has a smaller footprint, and provides more water and steam volume compared to a conventional boiler. The unit can also use multiple combinations of combustible fuels and electricity when engineered by Hurst to meet specifications. hurstboiler.com

hargassner-northamerica.com Social Media JOIN OUR TEAM Do you want to be part of the Hargassner success story? We are looking for DISTRIBUTION PARTNERS all over Canada and USA! • More than 38 years of experience • We export to 43 countries worldwide • More than 140,000 satisfied customers • International successful EXPERIENCE the world of biomass heating systems PELLET WOOD CHIP BOILERS • Maximum flexibility with remote control • Maximum reduction of heating costs • Maximum comfort for customers 67Mechanical Business 10.22 65

Heating Product Showcase

Flow meters

Extreme weather heat pump

Daikin’s AURORA inverter-driven heat pumps are engineered to withstand extreme weather conditions, providing 100 per cent heating capacity at -15°C and operating efficiency as low as -25°C ambient temperature, and up to 100 per cent nominal cooling capacity at 46°C. The Daikin AURORA multi-zone is available in 1.5- to three-ton sizes, with maximum heating capacity up to 54,500 BTUH, while the single zone is available in 0.75- to two-ton sizes, with maximum heating capacity of up to 32,000 BTUH. northamerica-daikin.com

The FCI ST51 and ST51A natural gas flow meters from Avensys Solutions are a compact, cost-effective solution for flow measurement of natural gas, air or nitrogen. The flow meters have no moving parts, are available in probe lengths for installation into pipe diameters from 2.5 to 24-in., and can be connected into the pipe via a ½ or ¾-in. NPT compression fitting. Both units offer constant power thermal dispersion drive technology with accuracy, repeatability and fast response.

avensys.com

Heat recovery unit

Bousquet’s Super Block offers 90 to 95 per cent efficiency, with 75 per cent year-round latent efficiency. With modulation and free-cooling controls, the unit is available with optional 3A molecular sieve desiccant, and is compatible with variable air volume applications. Use of the device also means frost prevention is not required for temperatures as low as -40°C.

bousquet.ca

High-efficiency furnace

The Goodman GMVM97 gas furnace offers energy efficiencies integrated with ComfortBridge communicating technology via Bluetooth and the CoolCloud app. The modulating, variablespeed ECM gas furnace has an aluminized steel tubular heat exchanger, stainless-steel secondary heat exchanger, silicon nitride igniter, self-diagnostic control board, and provisions for an electronic air cleaner. A self-calibrating modulating gas valve auto-configures for each installation. goodmanmfg.com

2022
Mechanical Business 10.2266 10 year warranty with annual recertification Free return courier to your location 25% off* theft protection when replacing your obsolete or stolen KANE analyzer All inclusive fixed service pricing Canadian based sales & technical support. WWW.KANETEST.CA Now Available in KANE CARE applies to KANE258, KANE358 & KANE458S and all configurations. *discount off MSRP

Direct vent furnaces

High efficiency direct-vent furnaces from Williams Comfort Products now have 93 per cent efficiency rating. With long-life ceramic coated combustion chambers, the units use fresh air for operations, and are available in 17,500 BTUH and 35,000 BTUH models which operate with either natural gas or propane. Other features include horizontal or vertical venting, sealed combustion chamber and a two-stage heat exchanger, quiet operation, electronic controls with a digital touch panel, and built-in thermostat. williamscomfortprod.com

Condensate pump

Little Giant’s HT-VCL Series low-profile, high temperature condensate pumps are rated for water temperatures of up to 212°F and are designed for use in plenum applications. Ideal for steam humidifiers and boiler applications, the units have a high flow rating and increased shut-off. With a 1/8 HP motor and one-gallon collection tank, the units have a stainless steel motor shaft and are UL 2043 plenum rated. franklin-electric.com

Two-stage furnace

Allied Air Enterprises introduces the 96G2E 95 per cent AFUE two-stage constant torque gas furnace for higher efficiency and quick installation. Featuring a self-diagnosing control board and 11k BTUH burner, the two-stage gas valve adjusts heat output to optimize comfort, while the constant torque blower motor maintains consistent airflow and temperatures with up to one-third less energy than a fixed-speed blower. alliedair.com

67Mechanical Business 10.22 67
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A POTENTIALLY UNHEALTHY MIX

Hydronic radiant heating is a comfortable and efficient technology for a range of buildings, from residential applications to large commercial and industrial facilities. In most projects, it is possible to meet the heat loss of buildings through a heated floor using relatively low-temperature heated fluid, often under 120˚F (48˚C), even at design load or peak demand.

This gives radiant heating systems the flexibility to work with a variety of high-efficiency heat sources, such as low-temperature condensing boilers, geothermal water-to-water heat pumps, airto-water heat pumps, and solar thermal collection systems.

In certain cases, especially with low-load hydronic radiant heating distribution systems, domestic water heaters have been used as the source of warm water, subject to local code requirements. Typical applications of this type of heat source include special dual-purpose water heaters, which are intended to supply both hydronic space heating and hot domestic water, and are designed so that the heating water and the domestic water do not mix. These domestic hot water (DHW) heaters are sometimes described as “combi” or “segregated” and they typically utilize an internal heat exchanger to prevent mixing of the potable water with the hydronic heating water.

When combined hydronic and potable systems are construct ed whereby the potable water travels through hydronic heating distribution units such as fan coils, radiators and radiant piping layouts, and components such as valves, circula tors, or manifolds, potential health and safety issues may be created. These potential issues include drinking water safety, Legionella and biofilms, and corrosion and equipment life.

The potential for these issues prompt ed the Plastics Pipe Institute to recom mend that combined potable-hydronic systems, where the mixing of hydronic water with potable water may occur, should be avoided.

Alternate potential heat sources for small hydronic heating systems are available.

PROTECTING THE SAFETY OF DRINKING WATER

In 2019, Health Canada published new maximum acceptable concentrations (MAC) for lead in drinking water, introduced new sampling protocols and changed the point of compliance from the drinking water distribution system to the customer’s tap. Components which contact potable water must be certified to standards such as NSF/ANSI/CAN 372 Drinking Water System Components – Lead Content. Similarly, plumbing components must be tested and certified to NSF/ANSI/CAN 61 Drinking Water Components – Health Effects to ensure they are safe for drinking water.

Some hydronic heating components are not intended or certified to be used for potable water. Examples include certain radiators, pipes, fan coils, fittings, balancing or mixing valves, and distribution manifolds. Such items aren’t necessarily marked as “Non-Potable”; the absence of a “Potable Water” or “PW” mark may be the only clue that these components are not suitable for contact with potable water.

Legionellabacteria

Alternate potential heat sources for small hydronic heating systems include segregated dual-purpose water heaters with internal heat exchangers, or the use of external heat exchangers to separate the potable water from the hydronic water.

Therefore, if these components are installed so that domestic water flows through them and then returns to a potable water outlet, this type of installation may violate regulations regarding the approval of components for drinking water safety, or regulations requiring so-called lead-free components intended to contact potable water, or both, and may contaminate drinking water.

HYDRONICS
The reasoning behind a recommendation against mixing hydronic heating water with potable water in combined systems
Mechanical Business 10.2268
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MINIMIZING RISK OF LEGIONELLA

According to the U.S. CDC, Legionnaire’s Disease, a type of severe pneumonia, is caused by breathing in small droplets of water that contain the bacterium Legionella pneumophilla. Legionella has been a topic of much research in recent years, with experts in the public health and plumbing fields focusing on piping designs that minimize dead-legs and stagnant water. Research indicates that Legionella can grow in water between 68°F and 120°F (20°C to 48°C), with an ideal growth range of 85°F to 110°F (29°C to 43°C).

In a typical residential plumbing system, with 200 to 300 feet of hotwater piping, disinfectants in treated water can control the growth of Legionella. Hot water is normally delivered to outlets quickly, and the age of the water is not a concern, even though drinking water disinfectants can dissipate quickly after being exposed to heat, such as in a water heater. Some level of disinfectant normally remains until water is delivered to a fixture.

However, if the plumbing system is connected to a hydronic distribution system, such as a radiant heating system, this can lead to a large volume of water. Over time, this water could contain little to no disinfectant at the ideal temperature range for Legionella growth. When the heating system turns off, there could be a significant volume of warm stagnant water sitting in pipes, fan coils, and other hydronic components. When the heating system turns on due to a call for heat, that stagnant water will re-enter the domestic hot water heater, and then travel through the plumbing distribution system to an outlet.

Water becomes aerosolized in a shower or near an aerated faucet and is

easy to inhale. This is a potentially dangerous situation for people who are susceptible to this type of bacteria, as it can allow Legionella to enter the lungs.

During periods of inactivity such as summer, the water in heating components might be stagnant for weeks or months. Although the water is at or near ambient room temperature, and Legionella will grow more slowly, it does not die. Further, stagnant water has been shown to allow the growth of biofilms inside piping components and appurtenances.

To help prevent this, some codes require a means to prevent the stagnation of hydronic water by cycling or flushing the contents at least every 24 hours, such as with a timed circulator. However, if the timer used to activate this circulator fails or is deactivated, or if certain zone valves remain closed, complete flushing doesn’t occur.

Studies show that flushing with hot water to effectively kill Legionella requires a temperature above 160°F (71°C) throughout an entire piping network; at lower temperatures, some bacteria can remain protected inside biofilms. However, supplying water at this temperature through radiant tubing embedded in concrete may damage both concrete and flooring, so this is not a recommended procedure. Also, setting a water heater to a temperature above 130°F (54°C), even during short time periods, can create very hazardous conditions to building occupants due to the risk of scalding.

In recognition of the potential risk of creating an environment promoting the growth of pathogens in a combined potable-hydronic system, the 2021 edition of CSA B214 Installation Code for Hydronic Heating Systems added new restrictions on the use of combined systems. These include limiting the total length of the hydronic piping network to 50 ft. (15 m), the total volume of water in the hydronic system to 13.1 US gallons (50 L), and the minimum supply temperature to the hydronic system of 140°F (60°C).

Some hydronic components can be corroded or otherwise damaged

and disinfectants such as chlorine or chloramines

For example, an iron-body circulator that

in

system, but is actually

system, could rust when exposed

attacked

and eventually leak; or plastic tubing that

certified for hydronics but not for potable water might not be compatible with

chlorinated water and might fail prematurely.

HYDRONICS
Lance MacNevin is director of engineering – building and construction division with The Plastics Pipe Institute.
Mechanical Business 10.2270
by contact with dissolved oxygen
in potable water.
is intended for a closed-loop hydronic
installed
an open-loop combined
to fresh water; an elastomeric valve seal or gasket could be
by chloramines in the water,
is
hot
CORROSION AND EQUIPMENT LIFE Fresh potable water typically contains dissolved oxygen and disinfectants such as chlorine or chloramines. Cont’d from pg. 68 HiTech Dispensing Inc. 1-800-567-9791 www.HOODchemical.com SINCE 1981 CHEMICAL Established in 1981, Hood Chemical supplies Dow Chemical glycol (propylene and ethylene) with inhibitors. We o er free analysis and supply a written report advising the freezing point, pH, concentration of inhibitors, and appearance. Contact Us for our Full List of Products and Services “Who’s Your Glycol Expert”?

DRIVING DISTRACTION AWAY

Ray Prest is director of marketing with SafeStart, which offers workplace safety training programs designed to reduce human error. SafeStart is headquartered in Belleville, ON and provides training worldwide. Prest can be reached at ray.p@safestart.com.

HIGHWAY HYPNOSIS

D ri v ing wit hou t a w ar ene ss us ed t o b e call e d “high way h y pnosis ” or “ w hi te lin e f eve r” for the way p e opl e z on e ou t or forg et long s tr et ch e s of a t rip as i f hy pno ti ze d. We no w k no w t hi s t ranc e -li ke s ta te is ac t uall y a re duc t ion in a w ar ene ss

DEFINING DISTRACTED DRIVING

A good working definition of driver distraction is “an internal or external factor that takes your eyes or mind away from the road.” In short, it’s anything that takes your focus away from driving. Driving-related distraction can be organized in two groups:

1. Conscious distraction. Decisions we make, like reaching for a cellphone or tuning the radio.

2. Unintentional distraction. Mental lapses that nobody intends to make, such as falling asleep at the wheel or letting their mind wander at a crucial moment.

Why you should care about distracted driving

In some parts of Canada, the number of distracted driving fatalities has now surpassed the number of impaired (drunk or drugged) driving fatalities. That statement from the Traffic Injury Research Foundation says it all. The frequency and potential severity of vehicle collisions places driving in the worst corner of any risk matrix. Add distraction to the mix and driving becomes the riskiest thing we do every day. The real issue isn’t what causes distraction, it’s that distraction compromises our decision-making ability and leads to mental lapses.

Everyone drives or rides in a vehicle. And that means distracted driving affects every single business in the world. Because no matter where a crash occurs − at work or off the job − it can affect drivers, passengers and pedestrians for weeks and months afterwards. And employers pay the price in lost productivity, reduced morale, and injuries to workers … or worse.

Beyond driving, distraction can still lead to costly outcomes, whether it’s rushing down stairs or taking focus away from power tools or other hazards. If you want to keep your people and profits safe you need to see distracted driving as a problem that goes way beyond the workplace.

By Ray PrestHEALTH & SAFETY
Mechanical Business 10.2272

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CELLPHONES ARE ONLY PART OF THE PROBLEM

Most anti-distraction campaigns feature someone texting from behind the wheel. But data from the Fatality Analysis Reporting System suggests cellphone use is responsible for only 12 per cent of fatalities caused by distracted driving.

It isn’t a cellphone issue. It’s not even a driving issue, really. A person’s state of mind makes them vulnerable to distraction, and that can lead to poor decisions, mental lapses and a whole bunch of errors. The end result is taking eyes and mind off the task at hand.

Distraction comes in many forms:

• the radio, car controls, GPS, looking at street signs, passengers, and unexpected moving objects

• talking with someone else, listening to music, looking at a map

• smoking, eating and drinking

• a wandering mind or being lost in thought

These four sources aren’t enough to lead to distraction on their own. What causes you to become distracted by these things sometimes?

A person’s state of mind can make them more vulnerable to the sources of distracted driving:

• When we are rushing, we are more likely to think about why we are in a rush than to concentrate on driving.

• When we are frustrated, we are more likely to get distracted by something we see.

• When we are tired, we are less likely to maintain focus when we hear something unexpected. Perhaps the most dangerous cause of distraction is familiarity with the risk. People take unnecessary risks behind the wheel because they forget driving is incredibly dangerous. In a word, they become complacent.

Multitasking is a myth. When we “multitask” the brain actually switches rapidly back and forth between the two tasks. That requires a lot of mental work. And even basic, attentive driving requires numerous different tasks, from steering to monitoring speed to thinking about safe braking distances and looking out for pedestrians and other vehicles.

Eyes on task, complacency and driving without awarenessCodes vary by province

We’ve all had a feeling of being on autopilot during a drive − our bodies react automatically to external events (such as changing lanes when there’s a slow car ahead) but our minds don’t quite register it. These types of drives feel like they go by in a blur.

This is called driving without awareness and it shows the problem with saying, “Keep your eyes on the road.” Just because something is in front of you doesn’t mean you see it. Studies and common sense both suggest that as attention goes down, the chances of a car crash go up. It takes having your eyes and your mind on task to fight off the inattention and complacency that can settle in during a long drive. And that takes skills and practice.

Distracted driving is the result of human error

The pattern of distraction has a lot of steps: the states of mind that make people susceptible to distraction, the sources of distraction, the errors we make when we’re distracted.

But we can condense the entire pattern into two words: human error.

Cars and other machinery don’t lose focus. Humans do. And when our attention wanders, people get hurt. Any solution to distraction needs to be as comprehensive as the problem.

Keeping workers’ eyes and mind on the task at hand

We talked about how “a person’s state of mind can make them more vulnerable to distraction.” Fortunately, a person’s state of mind can make them more resistant to distraction too.

There are three crucial elements to keeping workers’ eyes and minds on the task at hand: knowledge of the problem, the skills to fight distraction, and reinforcement to build strong habits and keep skills and knowledge sharp.

The quickest and most effective way to learn and retain all three elements is to introduce training that provides personal safety and awareness skills as part of your safety program.

HEALTH & SAFETY
Cont’d from pg. 72 Mechanical Business 10.2274
0 1 2 3 4 5 DrivingandperformingmathandmemorizationtasksDrivingandtexting usingspeech-to-textDrivingandtalkingonhands-freecellphoneDrivingandtalkingonhand-heldcellphoneDrivingandtalkingtopassengerDrivingDrivingandbookontape andradioDriving Workload Rating
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Knowledge

Employees need to understand distraction in practical terms. How does it affect them? What can they do about it? Here are a few ways to help them better grasp the problem and to truly believe in the risk of distraction:

1. Share the alarming stats, scope of the problem and root causes of distraction.

2. Share a personal story of your own about how distraction caused a close call so they can see that anyone is susceptible to distraction-related risk.

3. Ask workers to share a story about when they were driving and had a close call because they momentarily let their eyes or mind drift. This will remind them of how personally susceptible they are to distraction.

4. Disrupt their complacency with the risk. This is especially necessary for activities where the risk and familiarity with the hazard are both high. Get workers to talk about how they would explain the danger level to someone else such as their children.

5. Encourage workers to explain the distraction pattern in

their own words. Quiz people on which state of mind (rushing, frustration, fatigue and complacency) or which source of distraction (visual, auditory, manual and cognitive) they think is most likely to cause them problems.

Knowing is half the battle. The other half is the ability to act on that knowledge. Provide workers with the personal skills and reinforcement needed to defeat distraction.

Awareness Skills

There is always some sort of distraction nearby. People need the skills to maintain focus when the risk of distraction is compounded by their state of mind (rushing, frustration, fatigue and complacency) and amount of hazardous energy (walking versus driving).

People can recognize the physical symptoms of these states fairly easily:

• increased heart rate and feeling frantic = rushing

• feeling flushed or like your “blood is boiling” = frustration

• yawning, dragging feet, or feeling lethargic = fatigued But few people are able to take effective action when they notice these signs. That’s because most of us focus more on the problem than on how to deal with it.

Complacency is also a factor. Someone might notice they’re tired and, even though they know there’s an increased risk they’ll fall asleep, they choose to drive anyway because they’ve done it numerous times before without incident. Workers need the skills to recognize when they’re rushing or fatigued and they also have to know what to do about it.

Skills in Action

Discuss how to respond in certain situations by using “if-then” scenarios. This type of verbal planning is an easy and effective way to prepare employees for dealing with these states when they occur.

Ask employees which state they might encounter and ask them to explain what they’ll do to reduce it. Examples include:

• “If I notice I’m rushing to get somewhere then I’ll think to myself that it’s not worth the extra risk, and go at a normal pace.”

• “If I start to feel frustrated with other drivers then I’ll take a deep breath and try to cool off.”

• “If I catch myself yawning then I’ll remind myself to stay extra-focused and not take any extra risks to compensate for my fatigue.”

The signs of complacency can be harder to recognize in the moment. It is especially important to reinforce the knowledge, habits and rules that reduce the risk of mental lapses and poor decisions through repetition and motivation.

HEALTH & SAFETY Cont’d from pg. 74 Mechanical Business 10.2276
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In-person CIPH ABC offers valuable insights, honours industry professionals

More than 275 delegates gathered at the Fairmont Jasper Park Lodge in Jasper, AB for the Canadian Institute of Plumbing & Heating’s (CIPH) Annual Business Conference (ABC). Some attendees at the sold-out event arrived ahead of June 19, the opening day, to enjoy the many activities available in Jasper Park and surrounding area.

Monday’s agenda included a captivating historic perspective on the area with a talk and slide show about the early days of travel in Jasper National Park by Karen Byers, manager with Jasper-Yellowhead Museum & Archives. The day’s agenda

On Tuesday, breakfast speaker Matricia Bauer of Warrior Women noted that the majority of work theories and workplace approaches across North America are based on Western paradigms that are not relevant to Indigenous values, beliefs, culture, and rights. “Decolonizing our workplaces means going beyond tokenism or the mantra of ‘treating everyone the same,’ to one where we actively acknowledge and support the self-determination of Indigenous people, including cultural, spiritual, and land connections,” said Bauer. She went on to describe practices that would help guide managers and business owners in this endeavour.

This new delegate captured the attention of some CIPH ABC delegates and sent others running for cover. The daring grizzly youngster was just one highlight of the opening day.

Keynote speaker Graham Sherman, co-founder of the hugely successful Tool Shed Brewing Company, shared why adopting a collaborative approach with competitors can actually be a healthier way to do business, leading to exponential growth and a loyal customer base.

As is the CIPH tradition, the ABC concluded with a formal dinner and entertainment. The operatic, pop and comedy-packed performance by Opera on The Rocks! was a fitting end to the event.The 2023 ABC will be held June 18 to 20 at the Delta St. John’s in St. John’s, NL.

Mechanical Business 10.2278

Forces threaten to upend relationships

Distribution strategy expert Ian Heller brought delegates back to the present with his presentation Shift from Defence to Offence: eCommerce, Marketplaces, Sales Structure and Services. “Manufacturers, distributors, and their end customers face a dizzying array of forces threatening to upend relationships, and change the value equations for channel players,” said Heller. “This requires B2B companies to rewrite strategies and overhaul their business models.”

He addressed a number of issues of concern in the current business climate, including AI, the relevance of sales reps, manufacturers and distributor partnerships, and adding value to differentiate from pure product sellers. In the breakout sessions that followed, Heller asked attendees “How should you respond and adapt your company’s strategy to succeed in a fast changing and often bewildering business environment?”

Understanding the proper application of hydronic systems

Sidney Manning, provincial plumbing and gas administrator, municipal affairs – Government of Alberta addressed CIPH hydronics members at the Canadian Hydronics Council (CHC) luncheon on June 21. With the theme Shift to Celebrate – The Value of Collaboration, his session focused on regulatory application of CSA B214 installation code for hydronic heating systems and other items relative to the provincial and national application of hydronic heating systems.

Paul Stevenson, who was unable to attend, received the CHC annual Award of Merit. He served as EMCO Corp.’s profit centre manager in Victoria, BC, as well as a hydronics technical services specialist, before his retirement in April 2022 after 45 years with the same company.

Jerry Leyte, president and general manager of Viessmann Canada, is the 2022/2023 CHC chair.

Matt Robinson elected CIPH chair

Outgoing chair Bill Hooper (R) of Uponor with 2022/2023 chair Matt Robinson, VP Showroom Group, B.A. Robinson.

Matt Robinson was elected as the 75th chair of CIPH during the association’s 90th annual general meeting. He is the second Robinson to hold the position – his father Ross was chair in 2003/2004. Robinson is vice president of Winnipeg, MB-based Showroom Group, Robinson (A Division of B.A. Robinson). He was elected to the board in 2012, and in the past has served as a board member with the CIPH Calgary Region, as Calgary Region president, and on two CIPHEX West show committees.

CIPH technical consultant for codes and standards David Hughes (L) and Sidney Manning share a moment following Manning’s presentation. Manning quipped that regulators could use some loving.

Jon Leeson, vice-president, building mechanical market with Groupe Deschênes Inc., was elected chair of the wholesaler’s division and Garth Wallin, president and CEO, Blanco North America will lead the manufacturer’s division.

Ian Heller of Distribution Strategy Group shares insights into evaluating and responding to threats now and in the future at CIPH’s ABC.
Mechanical Business 10.22 79

Kudos and congratulations

Barbara O’Reilly of Rheem Canada Ltd/Ltée was recognized with CIPH’s inaugural Women of Distinction Award. This award recognizes nominees who have demonstrated a commitment to mentoring, developing and promoting women in the plumbing and heating industry. O’Reilly is vice president and general manager of Rheem Canada.

Barbara O’Reilly (L) accepts the CIPH Women of Distinction Award from Siân Smith of Riptide Fulfillment Corporation.

Harald and Uta Prell. Prell, who retired last year from Viessmann Manufacturing Company Inc., received the Honourary Life Membership Award. The award recognizes those who have earned the Institute’s highest acclaim. Prell began his career in the plumbing and heating industry in 1980 and has served as a director on the CIPH board from 1996 to 1999.

Bill Palamar, shown here with his wife Laurie, received the Honourary Life Membership Award. He founded Aqua-Tech Sales and Marketing Inc. in 1980. In 2002 Bill and a partner purchased the assets of Weil-McLain Canada Inc., and he remains active in both companies. Palamar served seven years on the CIPH Ontario Region Board and completed a term as region president in 2002/2003.

On the lighter side, there were three recipients of the “tongue in cheek” Order of the Bath and Bowl: Randy Winter (L), vice president of sales, Canplas Industries Ltd., Peter Howell (R), vice president, sales and marketing, Cello Products Inc. and Kevin O’Reilly (not shown), Westlund (a division of EMCO).

Nancy Barden was honoured for 30 years of service to CIPH. Barden has provided management and support to many programs, committees, and councils within CIPH and is currently the director of member relations responsible for membership, Young Executive Society, Manufacturers’ Agents Council. Barden also provides leadership support to the nine CIPH Regions.

Ralph Suppa, president and general manager, addresses gala attendees after being recognized for 20 years in the position as his wife Susie looks on. Suppa announced his retirement from the organization effective December 31, 2023 in early August.

Joe Senese (not shown), formerly with Groupe Deschênes Inc., was also awarded an Honourary Life Membership. Senese, who was out of the country at the time of the conference, presented his acceptance via video. He previously served as Ontario region president, as well as CIPH chair (2017/2018). He is past chair of the CIPH membership committee, CIPH wholesalers division, and education and training council.

Mechanical Business 10.2280 Cont’d from pg. 78

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Restroom faucets

Sloan expands its Rush Street and Clark Street commercial collections with premium deck and wall-mounted faucets and soap dispensers that create streamlined handwashing stations. The Optima ETF-410/ EBF-415 faucet is available with 0.35 and 0.5 gpm flow rates with a multilaminar spray type, and can be either hardwired in or battery operated. www. sloan.com

Hands-free technology

GROHE introduces touch and hands-free technology to its Minta Touch kitchen faucet collection and Zedra Touch pulldown kitchen faucet so they can be controlled with the tap of a finger, hand, wrist or forearm, minimizing marks and the risk of spreading bacteria. GROHE also offers touchless FootControl faucets, which can be controlled with a toe tap. www.

grohe.ca

Sewer camera

General Pipe Cleaners’ Gen-Eye X-POD Plus sewer camera includes a Gen-Pack battery adapter, Wi-Fi transmitter and on-screen distance counter designed to boost productivity and profitability. Depending on battery type and settings, the camera system can be operated for up to 12 hours in remote locations with limited access to power. X-POD Plus allows users to share inspections, while the Wi-Fi transmitter allows users to view and record work on a cell phone or tablet. www.

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Relief valves

Thermal expansion relief valves from Sioux Chief are one complete product, making them simple and fast to install, with fewer potential leaks because threaded joints are eliminated. The units are more compact than expansion tanks, and are suited to tight or confined spaces. Valves are available in all common supply system connections, and operate to a maximum temperature of 180°F. www.

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Touchless toilet

Cadet’s touchless chair height elongated toilet from American Standard has a 2-1/2 in. sensor module which can be installed on the wall within three feet of toilet or on top of the toilet tank To activate the touchless flush, users position their hand within 1-1/2 in. over sensor face for approximately two seconds. Continual operation is assured with a manual flush option. It requires a 12-in. rough-in and features ultra-low water consumption. www.

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Mechanical Business 10.2282
HAVE YOU REGISTERED YET? IPEX Group of Companies Featuring Keynote speaker Football Legend Michael “Pinball” Clemons Conference and Tradeshow FOR CONTRACTORS AND ENGINEERS Building it right. Together. Hear leading experts present on: • Industry Trends • Economic Forecasts • Social Media Strategies to Grow Your Business • Exciting Products and Solutions O ered by IPEX Register for a chance to win a Grand Prize of a Muskoka Getaway and a secondary prize of a Lunch n’ Learn with IPEX November 15, 2022 Time: 9:30 am – 6:30 pm Paramount EventSpace Vaughan, ON SPACE IS LIMITED. REGISTER NOW. Tickets are $25 All proceeds will be donated to Habitat for Humanity™ Hourly draws for a chance to win an iPad! Networking cocktail reception
1) Device 2) Tridium (a proprietary platform) 3) Protocol 4) Communication protocol 5) DDC (Direct Digital Control) 6) Proprietary protocol 7) Web-enabled 8) Backbone 9) Open protocol 10) Sequencer Match the terminology you hear in the field to the correct definition or function by October 31, 2022 and enter for your chance to win a $150 Visa gift card. To make it a little more challenging there will be one answer left over. In the event of a tie, the first entry in will be given the win, so don’t delay! This contest is open to mechanical contractors in Canada. Send answers to kerry.turner@mechanicalbusiness.com or enter online at mechanicalbusiness.com. The winner of the Jobsite Jargon in the July/August 2022 issue is Walter Entz of Cypress Colony Farms in Saskatchewan. He won a $150 Visa gift card.Congratulations! EXAMPLE: 7) Web-enabled I) Information that can be accessed with a browser  Answer 7,I JOBSITE JARGON A) A pathway for data to move inside a computer or between computers. B) A set of rules used by computers and devices to share data with each other across a network for network communication. C) The brain that decides the order in which things happen. D) Automated control by a computer. E) A communications bridge that allows exchange of infor mation between protocols, such as BACnet and LON. F) BACnet (Building and Automation and Control network) and LON (Local Operating Network) are often used with HVAC systems. BACnet is an open protocol. LON is proprietary. G) Network communication that can be used only by those who purchase it, and only by devices that are made to use it. In the mechanical industry manufacturers have preferred proprietary protocols to protect their systems from competitors. H) Receives information and takes action as a result. I) Infor mation that can be accessed with a browser. J) The main network lines that connect several local area networks (LANs) together. The result is a wide area network (WAN) linked by a backbone connection. K) Network communication that can be used for free. ASHRAE encourages open protocol. 24 Mechanical Business 10.2284 WIN! JOBSITE JARGON

Mechanical Business is your key resource for all things mechanical.

Written exclusively for owners, managers and technical decision-makers within the mechanical contracting and engineering sectors, every issue and every web-page delivers what matters to you.

Look to Mechanical Business print and digital issues to provide in-depth technical articles, wrapped in an easy-to-read and entertaining format. Bookmark mechanicalbusiness.com for more frequent visits for daily news updates, exclusive online content, product reviews and more.

Look to Mechanical Business for forward thinking content to keep your business relevant, successful and progressive.

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James Hobson:
Putting the cool in engineering SEPT/OCT 2022 $6.95 Health & Safety: Driving distraction away Busting common heat pump misconceptions An option to resolve insufficient airflow 2022 heating product showcase A potentially unhealthy mix: Hydronic heating water with potable water SIMPLIFYING KITCHEN & BATH RENOS Also in this issue: MB Cover10.22v3 FINAL.indd 2022-09-30 11:21 AM Enjoy.
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The Right Water Softening Solutions

Residential water softeners began appearing in North American homes in the mid-1900s.

Prior to in-home softeners, it was commonplace to use rain water as a final rinse to make laundry feel soft. The term “soft water” originated in advertising around that time to help consumers understand what these new water treatment systems would do in their homes. Today, most Canadian homeowners are familiar with the benefits of soft water as well as the costs of hard water ruining water-using appliances, plumbing fixtures and pipes.

Hard water, which is measured by the presence of calcium and magnesium in water, causes spots on dishes and glassware, and scale build-up in pipes, plumbing fixtures and water-using appliances. It also makes soap and detergent less effective, dries out hair and

Water hardness levels vary across Canada with the hardest water found in the Prairie provinces, southeastern British Columbia and the populous southern tip of Ontario and Quebec. northern Manitoba, Ontario and Quebec all have moderately hard water while central to southern Ontario, Quebec and the Atlantic provinces have slightly hard water. Select areas of British Columbia and Alberta are the only places in Canada with natural soft water.

Hard water can occur both naturally and as a result of industrial factors. Naturally occurring hard water is most prevalent in ground water sources originating in areas with limestone and thick topsoil. The primary industrial sources of hard water are the mining industry and inorganic chemicals.

Offering soft water solutions to your customers is an opportunity across Canada.

Hard water is measured in grains per gallon (gpg), parts per million (ppm), or milligrams per liter (mg/L) to show the concentration of hardness minerals in water. Water with concentrations of hardness minerals seven gpg and above are generally regarded as “hard.” Testing a homeowner’s water is the first step to helping them select the right water softener for their home.

PLUMBING |
10 Mechanical Business 10.2286

The number of bathrooms and/or people in the home are also used to determine the correct size of the softener.

Ion exchange technology has been proven to be an effective way to soften water. Ion exchange is the process of replacing calcium and magnesium ions in hard water with sodium ions. Ion exchange softeners direct incoming hard water through a tank filled with synthetic resin beads charged with sodium ions. Ion exchange occurs when the calcium and magnesium ions in the water are exchanged with the sodium ions on the resin. Over time, the sodium ions on the resin are depleted and need to be replaced. The softener then pulls salt brine from the brine tank into the resin bed to replace the calcium and magnesium ions with sodium ions on the resin. The calcium and magnesium ions are sent to the drain and the resin is recharged to soften water again.

Remember to look for certified performance claims when selecting a softener for customers. International Association of Plumbing and Mechanical Officials (IAPMO) and Water Quality Association (WQA) provide testing to NSF/ANSI 44-2018 and CSA B483.1 for hard water reduction claims. Softeners that aren’t certified have not been third-party tested to ensure performance claims are accurate.

In recent years, we’ve seen the introduction of systems marketed as “salt-free water softeners.” While these systems use a variety of technical approaches to prevent hard water scale, they do not actually remove hardness minerals from water. In 2020, the WQA updated its glossary of terms to prevent use of the term “salt-free water softening” to protect consumers from misleading marketing claims. These systems are now marketed as “saltfree water conditioners.”

WATER USAGE DROPS TO LESS THAN A THIRD

While ion exchange has been used for nearly a century to soften water, the efficiency of water softeners using this technology has improved greatly over time. Today’s softeners use up to 75 per cent less salt and 64 per cent less water than traditional calendar clock water softeners. In addition to being better for the environment, the savings in money, time and convenience are significant for homeowners as well. For example, a mechanical meter softener set for a family of four using 60 gal/person/day of 30 gpg hard water will use about 25 bags of salt and 13,500 gallons of regeneration water each year. A high-efficiency softener for the same family, hardness and water consumption, will use less than 14 bags of salt and just over 4,000 gal of regeneration water each year.

Replacing an old, inefficient water softener is the number one source of new softener sales so don’t overlook the opportunity to talk to your customers about the benefits of upgrading their current softener.

THE BENEFITS OF PRE-SOFTENER TREATMENT

One of the newest trends in water softening today is adding carbon filtration as a softener pre-treatment on municipal water applications. In my last article (see Mechanical Business May/June 2022 at mechanicalbusiness.com), I noted the increased use of chlorine and chloramines in municipal water treatment. These disinfectant chemicals degrade softener resin by turning some of the resin beads into a jelly-like substance that no longer softens water. The softener resin is less effective and needs to be replaced far sooner. Removing chlorine and chloramines before they reach the softener is the best way to maximize the life of softener resin.

In 2018, the International Association of Plumbing and Mechanical Officials (IAPMO) introduced a new standard: IAPMO/ANSI Z601 – 2018, Scale Reduction Devices. This standard requires a minimum of 70 per cent scale reduction to achieve certification. To date, no companies have been certified.

Chlorine and chloramines in municipal water quickly reduce the life of softener resin. Adding carbon pretreatment will extend the life of your customer’s softener resin.

The most effective filter media for removing chlorine is granular activated carbon (GAC) and for removing chloramines is catalytic carbon. Both media are available in a variety of whole home solutions suitable for pre-softener treatment and offer all the benefits of chlorine- and chloramine-free water throughout the home.

In the next issue, we’ll take a closer look at filtration systems including carbon solutions and how to properly diagnose and choose the right water treatment system to give your customers optimal water throughout their homes.

Don Matt is director of sales with Canature WaterGroup.

Mechanical Business 10.22 87

HOW TO PROPERLY SIZE A RESIDENTIAL TANKLESS WATER HEATER

Choosing a new tankless water heater for a home, whether the application is totally new or a replacement, demands a strategic approach that will inevitably impact the owner’s day-to-day routine. The tankless unit selected must produce enough hot water for all of the household’s demands, so selecting the appropriately-sized model is imperative.

With tankless water heaters, water is heated on demand, removing the need for storage. If a unit is undersized, water will still warm to the temperature you set during installation; however, as heated water starts to run out, water flow will drop to uncomfortable levels to maintain that set temperature.

In other words, the household will continue to have hot water at the fixture, but lower water pressure creates a negative experience if multiple people live within the household. Only a few fixtures will be available at full flow if the water heater is too small to accommodate the simultaneous use of multiple fixtures. With an inappropriately sized tankless water heater, users will start to see their water pressure dwindle − water will appear to be dribbling out of the fixture.

On the other hand, oversizing a tankless system will not affect functionality. While an undersized unit cannot provide the appropriate amount of hot water if water usage is high, a slightly oversized unit is well equipped to handle it.

Of course, a larger unit will likely cost more, but household gas consumption will be the same as if the water heater had been properly sized. This is because with a tankless, gas consumption is based on hot-water demand, not model size. That is why it’s always best to size properly or even slightly oversize to maintain maximum efficiency of the water heater installed.

With tankless water heaters, size refers to the flow rate of the hot water produced measured in gallons per minute (GPM). This rate will vary, up or down, depending on the temperature difference between the cold water coming into the heater and the hot water it generates. This difference is known as the temperature rise, or Delta T.

Determining the correctly sized tankless water heater for a home can be completed with three easy steps.

1Determine the Maximum Temperature Rise

The first step in sizing a tankless water heater is to determine the maximum temperature rise, which usually occurs during the coldest days of the year in a locale. Begin with the tankless set temperature. Health Canada recommends 120°F as the safest, yet comfortable temperature with an anti-scald mixing valve on the water heater.

Next, subtract the wintertime cold-water temperature from this set temperature. Winter groundwater temperature is equal to the mean air temperature above the land surface during the winter months. This temperature varies based on location.

To determine the most accurate wintertime cold water temperature for your locale, you will need to reference a guide to the average winter water temperatures. The assumption is 35°F to 40°F for most of Canada in the winter, with the lower West Coast of Canada potentially up to 45°F. Wintertime cold water temperature can also vary within a province.

For our purposes, let’s use the Toronto area, where the coldest groundwater temperature is 42°F.

THESE THREE EASY STEPS MAXIMIZE THE FULL POTENTIAL OF THE UNIT
Sizing and selecting a residential tankless water heater demands a strategic approach.
By Will NoursePLUMBING
58 Mechanical Business 10.2288

Following Health Canada’s recommendation of a set temperature of 120°F and subtracting the wintertime cold water temperature of 42°F calculates as a difference of 78°F. That is your maximum temperature rise.

Determine the Combined Flow Rate

Determining the peak hot-water demand of a particular home is the second step. To do so, you must identify the maximum number of hot water fixtures that will consistently be used simultaneously in the home such as first thing in the morning, when everyone is getting ready for work and school. Keep in mind that product flow rates − again in gpm − vary among manufacturers. These rates can be found on the fixtures themselves or on the product packaging. Or you can contact manufacturers directly. Note: Average flow rates found online tend to be expressed on the higher side to add a buffer for proper sizing. The following are typical flow rates for common hot-water appliances:

Dishwasher: 2.0 gpm

Kitchen faucet: 1.5 gpm

Lavatory faucet: 1.0 gpm

Shower: 2.0 gpm

Washing machine: 2.0 gpm

Next, add together the individual flow rates of all the household hot-water outlets that would be used simultaneously and you have your targeted, peak-usage flow rate: the number of gallons per minute needed at any given time, including the coldest day of winter when the temperature rise from the cold ground water to the hot-water outlet will be at its highest (in Figure 1 the winter groundwater temperature is 45°F), and multiple outlets are in use. A relatively small peak usage might be two showers and a washing machine, whose flow rates would add up to six gpm. A larger household might have a peak usage of four showers and, say, a dishwasher, the sum of whose flow rates are 10 gpm.

2 MANUFACTURER’S SIZING CHART

1 COMBINED FLOW RATE

Select the Tankless Water Heater

The final sizing step is selecting the proper tankless model or models to meet the peak demand. Larger households may require more than one tankless unit.

To make the selection, use a manufacturer’s sizing chart. These charts are typically available online, and are also often found in manufacturer product catalogues. Listed on the left-hand column of Figure 2 is the maximum temperature rise during the coldest period of the year, ranging from 30°F to 100°F.

• Listed across the top are the different model numbers available, commercial and residential, divided into condensing and non-condensing.

67
22 3
FIGURE
FIGURE
To determine peak hot water demand identify the maximum number of fixtures that will consistently be used simultaneously.
Mechanical Business 10.22 89

• The numbers in the columns beneath the model names are their flow rates for the different temperature rises. The colder the climate, the larger the temperature rise, the lower the flow rate. Next, find the temperature rise that corresponds to your locale. Then read across to find the flow rates equal to or greater than the combined flow rates of all the hot-water outlets that would be used simultaneously by the household.

• For our small-peak usage example, the options would include any model with a flow rate at or above six gpm, for which there are several options.

• For the large peak usage example, we would need to select a pair of tankless models with a combined flow rate at or above 10 gpm.

In either case, those are the tankless water heater models that would meet the combined demand of the simultaneously operating hot-water outlets.

Once again, if you select a tankless solution with a flow rate lower than the peak-usage target, the resulting water pressure is bound to be unsatisfactory (if not downright unpleasant for the unlucky individual taking a shower).

Finding and installing a model whose flow rate will encompass the highest combined demand on even the coldest days should result in a very happy customer.

The final sizing step is selecting the proper tankless model or models to meet the peak demand.

58 Mechanical Business 10.2290 PLUMBING Cont’d from pg. 89
Complete solutions for energy production, storage, and distribution www.Roth-America.com Call 888-266-7684 Radiant, Snowmelt and Oil Storage
Will Nourse is a service trainer with Noritz America.

E MB RACING the past

THE REST, AS THEY SAY, IS HISTORY

In 1885 inventor Albert Butz

regulator and alarm. It was this event that is

the company we know as Honeywell. Butz went on to form the Butz Thermo-Electric Regulator Co. after which he created the damper flapper, a predecessor to the modern

be

Butz’s patents and business were later sold to the Consolidated Temperature Controlling Co., which renamed itself Electric Heat Regulator Co. In 1898 the company was purchased by W.R. Sweatt, who renamed the company Minneapolis Heat Regulator Company. He expanded its product line and patented the first electric motor approved by Underwriters Laboratories.

Minneapolis Heat Regulator Company and Honeywell Heating Speciality Co. merged to form Minneapolis-Honeywell Regulator Co. in 1927 with W.R. Sweatt and Mark Honeywell at the helm.

Source: Honeywell

Do you have a historic

all

you would like to share? Email kerry.turner@mechanicalbusiness.com.

business, tools of the trade, or mechanical and

accepting submissions from contractors, engineers,

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Probe kit

The Digital Tone and Probe Kit (TDG310K1C) from Platinum Tools allows users to trace and locate single or bundles of cables connected to unpowered or active networks, and then test with its built-in test functions. Features include audible and visual signal strength indicators, testing of RJ45 terminations, and high-intensity flashlight. www.

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Rugged devices

Samsung offers a range of mobile devices durable enough for working construction and other job sites. The Samsung portfolio of rugged tech devices include the Galaxy Tab Active3 tablet with water-resistant 3S Pen stylus, the Galaxy Tab Active Pro tablet, and the Galaxy XCover Pro smartphone, all built to military specifications and designed to withstand extreme heat and cold, low pressure and high altitude, dust, fine blowing particulate, and submersion in water up to 30 minutes. The devices include large display areas, enhanced touchscreen features to account for protective gear, and glove and wet touch modes to increase touch sensitivity.

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Work wear

Helly Hansen’s BRZ products are designed to be breathable and regulate temperature while remaining comfortable and versatile for different work environments. BRZ products are less than 250 g, and feature mechanical ventilation. The Women’s Luna BRZ collection, designed specifically for women, is now available in Canada, and features reinforced knees and bottom hem, hanging pockets, broad centre back belt loop, and a gusset in the crotch for freedom of movement.

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Pliers wrench

The Pliers Wrench XS from KNIPEX Tools is a compact, four-in. tool with a 3/4-in. jaw capacity. The pliers have smooth jaws that won’t mar surfaces, and are designed for gripping, holding, pressing and bending applications. Featuring texturized handles and one-handed adjustment, the pliers allow users to slide through 10 adjustment positions, while the compact design and slim head give users access to confined areas. www. knipex-tools.com

Mechanical Business 10.22 93

An option to resolve insufficient airflow

Whole home comfort requires getting conditioned air to where it is supposed to be

Do you ever feel frustrated by customers’ HVAC system’s inability to provide conditioned air to some of the rooms furthest away from the furnace?

You are not alone. Insufficient airflow is one of the most common heating and cooling complaints made by clients and they look to us to fix the issue.

Many people are at a loss as to why their HVAC system is able to serve some rooms much better than others. While there are plenty of reasons for this, one explanation is a small or weak fan that is incapable of moving the right amount of air through the ductwork and out of the vents.

In cases such as these, an air duct booster fan may be a solution.

How do they work?

Inline and register are the two main types of booster fans.

Insufficient airflow is one of the most common heating and cooling complaints made by clients.

As the name implies, an air duct booster fan is basically a fan that can be attached to the ductwork in an HVAC system. Designed to increase the airflow to the more distant parts of a home, a booster fan will typically be installed in long sections of ductwork and then hooked up to an electricity supply.

Inline fans are built to be installed inside the ductwork itself. Because they can shift large volumes of conditioned air, inline fans are often used in larger properties with extensive networks of ducts. These fans look somewhat like a regular section of ductwork. They are designed to replace a section of regular ductwork, so it is essential to choose one with the same dimensions as the existing ducts. Once installed, these fans are cheap to run and do not use much in the way of electricity.

Instead of being installed as part of the ductwork itself, register booster fans are designed to replace the registers in rooms that are receiving low airflow. Register fans are cheaper and cost less to install. They also plug directly into the wall. Some of the better models have thermostats, variable speed options, and remote-control operation.

While register booster fans cost significantly less than the inline solution, the amount that is saved on a single unit will likely be offset when you have to install multiple fans in each room in which you need to increase air flow.

Inline fans are designed to replace a section of regular ductwork.

HEATING
What is an air duct booster fan?
Register fans are less expensive than inline booster fans and cost less to install.
Mechanical Business 10.2294

What are the advantages of duct booster fans?

Booster fans may not solve the airflow problems in an HVAC system on their own, but they can help increase air circulation in a number of ways.

Boosting older ductwork

Modern HVAC systems have revolutionized how we heat and cool our homes. However, merely installing a powerful new furnace or air conditioning system may not yield the results that it should if the customer lives in a home that has ductwork from another era.

Old ductwork did not use today’s airflow technology in its design and often fails to pull air through the system to supply all rooms of the house, evenly leaving warm or cold spots in the home.

In cases where you have old ductwork, it may be more cost-effective to install a duct booster or set of register fans to help move the air through the ductwork better.

Extra power for complex ductwork layout

Larger properties with many rooms or several floors often require complex ductwork systems to connect the whole indoor environment up to the HVAC system. A more extensive system of ductwork will mean that warm or cool air will be lost due to low airflow to rooms further away from

Booster fans can be an effective way of moving air past the many bends and divisions that usually feature in larger networks of ductwork to improve heating and

Inline booster fans can be placed strategically near sections with registers to help pull more of the air past them so more of it reaches underserviced rooms and

Put off costly repairs

In some cases, booster fans can be used to effectively put a bandaid on an HVAC unit that is not working that well anyway. Some customers want booster fans or register fans installed to increase airflow to avoid paying money for repairs or a new HVAC unit that is capable of pushing through higher volumes of conditioned air.

When a duct booster fan will not work

There are several cases in which installing a duct booster fan will not provide the necessary solution. If the ductwork is old and has cracks and holes through which air is escaping, it is unlikely that simply pulling through more air is going to make much difference to the volume of airflow in hard-to-reach rooms of the home.

Similarly, if the furnace or AC unit is old and worn out so that it no longer produces sufficient conditioned air, increasing the airflow with a fan will have no effect.

Before installing a duct booster fan, you should first check that the other parts of the system are working correctly. Airflow problems may be caused by damaged or leaky ductwork, clogged filters, or a system component that needs replacing.

Russell Jones is the vice president of operations for Phyxter Home Services and co-owner of an HVAC service business in British Columbia.
1 2 3 Mechanical Business 10.22 95
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PAGE# 147 PAGE# 93 PAGE# 61 VISIT US TODAY! mechanicalbusiness.com PAGE# 90 PAGE# 91 www.sharkbite.com www.roth-america.com www.watts.ca www.primewarranty.ca www.viessmann.ca www.pppinc.net www.reedmfgco.com 67Mechanical Business 10.22 97 www.rscool.com PAGE# 49 Join us for the November/December issue: NEXT ISSUEIN THE Inquiries welcome: Sales: Kyle.Badder@mechanicalbusiness.com 416.735.1375 Editorial: Kerry.Turner@mechanicalbusiness.com 416.435.1193 • Bath & Kitchen Trends Report • Diagnosing pumping problems • Solving the skilled trades shortage • Heat pump water heaters • Boiler water quality • Control valve sizing and selection www.thermopan.cawww.osb.ca www.radianthydronics.com www.oatey.ca www.ntiboilers.com www.novowater.com PAGE# PAGE# 2 PAGE# 25 PAGE# 54 OXFORD ENERGY SOLUTIONS INC. www.oxfordenergy.ca www.victaulic.com www.wilo-canada.com www.pvi.com PAGE# 103 PAGE# 53 PAGE# 40 PAGE# 44 PAGE# 33 PAGE# 69 PAGE# 43 PAGE# 16 PAGE# 19 PAGE# 23 PAGE# 104 PAGE# 13 27 PAGE# 62 www.rapidlockingsystem.com

Sue Sodek has over 20 years of human resources and consulting experience across a variety of businesses, and currently manages HR for UCEL Inc in Uxbridge, ON. She can be reached at sue.sodek@gmail.com.

The Penalty Box

How to discipline an employee

Almost everyone can agree on the basic rules of working: we must turn up on time, we will follow instructions, and we should try to successfully complete the tasks as assigned to the best of our abilities. But that last point can be a bit of sticky one for employers who haven’t done their homework. What actually constitutes a task properly completed and what should you do when someone falls short of your definition of success?

No matter what the size of your team, at some point in your career as a manager, you’re going to come across that problem person you’ll need to correct. Whether it’s attendance, performance, or attitude, sooner or later you’ll have to have the tough conversation. When it’s impacting your bottom line, it’s time to discipline with a view to either correct and improve the behaviour, or to start building a strong enough case to fire them.

Ideally, you’re reading this well in advance of having any issues. We’ll start with some preventive measures you can put into place now to keep your people on the right track. If you’re already in a position to want to wring some necks, skip to the next section, and come back when things are back under control.

Prevention

When an employee’s performance is less than stellar, it’s tempting to assume they are solely to blame. Cooler heads will realize this isn’t always the case. Before reading someone the riot act, pause and think about why the behaviour is occurring.

The actions you are witnessing could have roots in a company deficiency, or an individual (or likely, both).

Is it possible there’s something missing in your hiring or training practices that led to this employee lacking a critical skill set?

Have you set clear, achievable markers for what constitutes acceptable performance and communicated them? What about the supervisor? Is that person good at setting expectations and providing constructive feedback in real time? Could there be something personal happening you’re unaware of that may require some accommodation?

Lack of training can be corrected with coaching, poor fit can be fixed by reassigning workers, but the best (and least expensive) method to prevent issues later is to ensure you’ve hired the right people, and told them clearly what you expect them to do. Every prospective hire should be given a realistic job preview during the interview process. Each employee should also have a written job description and know how their performance will be measured. An Employee Handbook or Company

By Sue Sodek 98 Mechanical Business 10.22
HUMAN RESOURCES

Code of Conduct that lays out basic standards and expectations will do more to prevent maleficence than any threats or shouting matches ever could!

Once you have an Employee Handbook in place, ensure you include a line in your offer letters telling prospective employees they must abide by the policies and procedures you’ve set out in it, and that you reserve the right to revise those policies from time to time. It is also a good idea to communicate those policies and procedures to all employees once a year. Have copies posted online or available in common areas. The more opportunities employees have to review the information, the less likely they are able to deny knowledge of it.

Discussion

So, you’ve written down the rules, you’ve hired the right people, and you’ve told them what you want them to do and how to do it and yet you’re still having an issue with an employee. Now what? There is no “one size fits all” approach to holding a discipline conversation. You’ll need to decide on a case-by-case basis whether an incident requires an informal chat or a formal meeting and a write up.

Very generally speaking, if this is an isolated incident without a legal, reputational or financial impact on your company, from a normally strong performer you have a vested interest in retaining, the best choice may in fact be to let this one go. Note the date, time, and basic details of the incident in the employee’s file and then move on. If things worsen, you can refer to your notes and start a performance improvement plan, but if this was truly a one-off, you’ve avoided upsetting a key employee in a challenging labour market.

For issues such as poor attendance or performance, a multi-stage, progressive discipline procedure is appropriate. Verbal and written warnings with escalating consequences can underscore the importance of improvement and provide you with protection against wrongful dismissal charges, should the path lead to termination. Communicating this in advance of any issues is key.

In the case of much more serious issues, such as incidents of theft, violence or any criminal actions, a measured conversation about progressive improvement obviously won’t cut it. In these most egregious (but typically, rare) circumstances, you can move immediately to termination, generally without notice or severance. A note for unionized employers − collective agreements lay out grievance procedures, but they only apply when

an article of the collective agreement has (allegedly) been violated. This is seldom the case in a disciplinary matter; employers with collective agreements still retain the basic right of managing their workforce, which includes the ability to discipline employees for a wide variety of infractions. Again, having an unambiguous written policy that is clearly communicated and enforced across all employees will leave less room for arguments and put you in a much safer position should you need to discipline one of your employees.

Regardless of the type of actual conversation, best practice is to have a third (preferably neutral) party on hand and to keep diligent notes. When having uncomfortable conversations, it’s best to do some advanced planning. Book a time and place where you will not be interrupted. Present the employee with the facts, including dates, times and particulars of the infraction(s), and allow them time to respond. They may become defensive or they may not wish to engage but be persistent and ensure they understand what the issue is and why their behaviour is unacceptable. Along with the input of the impacted employee, develop a plan to address the issue. Is there further training required? Do they need wellness supports or accommodations? In the case of a formal written warning, have the employee sign off on the letter and provide them with a copy, to avoid later misunderstandings as to what’s been agreed upon.

DOCUMENTATION

Document any and all conversations in the employee’s file and set a time frame for a follow up, which can be anywhere from one week to one month, depending on the circumstances. Make a note in your calendar of the follow up date and follow through. Review the progress made, or repeat the warning and let them know the consequences for failing to improve.

Failing to address employee issues will have immediate and longterm effects. Remember that when you leave negative behaviours unchecked, you are in fact endorsing those same behaviours as acceptable.

And remember, it’s both harder on you and unfair on the employee to say they’re doing a bad job when you haven’t fully defined what constitutes a good job. If you set clear expectations, and enforce them equally across all workers and situations, you’ll have a much easier time coaching those employees falling short, or terminating those employees who aren’t meeting your needs.

99Mechanical Business 10.22

Marketing

To reach him, email doug@letterm.ca.

Changing Gears

How to adjust marketing tactics during a recession

It’s no secret that talk of a Canadian recession and the dramatic increase in the cost of living has been at full volume as of late. In fact, a lot of business owners are operating as though the country has already entered a recession or will do so within the next 12 months.

Because recessions have historically caused high unemployment rates (though it’s likely to be a different story on that front this time), business closures and bankruptcies, preparing for an economic downturn is the only way to ensure your business doesn’t get caught in the fallout. If you’re reading this, chances are good you provide a product or service that homeowners and business owners are hoping to either pay as little as possible for, or not need at all in an uncertain financial time. That is until it becomes urgent and then nobody wins.

That’s where strategic marketing decisions come into play. Here are ways you can adjust marketing efforts to lean into and get through a complex economic period.

Adjust your messaging

By

When belts tighten it’s not business as usual: a shift in approach is warranted.

Acknowledge the recession by reinforcing your value as a preventive service as much as a “there fast when you need us” emergency service. Promote the fact that routine maintenance can help people get ahead of breakdowns and repairs, which can be costly for the owners. Encourage upgrades to more efficient equipment to ultimately save on fuel costs. Show them the long-term savings potential.

Similarly, many contractors have learned the value of headlining with a loss leader reduced fee for a first call: it gets them to the site, where they can either provide a quick fix for a reasonable cost or, in many cases, be the first (and possibly the only) contractor in line to price out equipment replacement and lock in a monthly plan.

with DOUG MACMILLAN
Doug MacMillan is president of The Letter M Marketing in Guelph, ON.
Mechanical Business 10.22
reinforcing the importance of being proactive, you can identify opportunities long before they become pricey problems for the customer. 100

Highlight financing and membership options

Recessions mean we’re more prudent with cash flow predictability. Owners feel more secure knowing their monthly expenses. Promoting a monthly membership-style program that folds in the costs for routine maintenance, emergency calls and most small parts and pieces can offer stability for customers that may nudge them in your favour.

Financing is a complicated solution these days given interest rates and the tiny margins that most contractors operate within, but a competitive financing program can also be a vital asset in a tight economy. This is generally the easiest way to support people who are in dire need of your services and to promote your services to those who just want the financing as an option.

Replace some hard costs with human costs

Advertising can be expensive and while I’m not advocating for a wholesale reduction in consumer-targeted advertising in traditional or digital outlets, these avenues can be supplemented with good old elbow-grease marketing. Have employees drop low-cost postcards at homes in neighbourhoods where they’re working, or pick up the phone to connect with former or existing customers to check in and suggest a pre-emptive service call.

Digital marketing on Google and social media, among many other options, can be pricey. Learn more about how these systems work and commit to frequent analysis (read: at least once per day). If you adjust your investment based on reviewing metrics and recalibrating the campaign even slightly, it can make the money you spend work with a lot more precision.

Upping community presence by contributing staff hours and company resources to important, high-profile causes such as a charity home build or food hamper delivery service keeps the business name out there without major cost. As an additional benefit it reminds people that you care about the communities you work in.

Launch a creative and fun promotion

The most tangible recession tactics include sales promotions that show consumers how working with you puts cash back in their pockets. Some historically successful promotions include “we’ll buy your old unit from you” when the consumer upgrades, “buy one get one” deals on specific services or goods, or cashback opportunities – “it pays to buy from us.”

There will always be a spend – no matter what the industry, service, or product, money will be spent. Promotions are a great way to advertise how spending with your company is the most mutually beneficial.

Ramp up your content

Blogs, social media content, email newsletters, short homemade videos, call-in radio shows (if you can swing it), and even old-school flyers at home shows should offer your expert advice on how to keep energy costs low to keep the budget in check. Sharing simple tips reinforces your expertise, and commitment to serving the community.

And finally ... don’t retreat

Most importantly, in a time when businesses are watching their expenses closely, it’s tempting to slash marketing budgets or staff capacity, and as a result, lose market presence. I’ve seen this time and again and those businesses don’t come out the other end as strong. Marketing remains the mainstay to sustaining and growing pretty much any business. Just because it’s easier to trim costs there than in some of the locked-in areas such as vehicle leases or insurance, doesn’t mean you should do it. Some companies have successfully ramped up their marketing during tough times to fill the gap others are leaving, building their brands as calm, confident and reassuring during a rocky time.

67Mechanical Business 10.22 101
Adjust your digital marketing investment based on reviewing metrics and recalibrating the campaign.

SKILLS SHORTAGES

Percentage of tradespeople who will need to upgrade their skills within five years due to digital disruption, according to RBC.

Number of Red Seal tradespeople Canada will have a shortage of in the highest demand trades within the next five years.

Approximate number of skilled tradespeople expected to retire by 2028.

Percentage of female new registrants for apprenticeship programs as of 2019.

ATTRACTING AND RETAINING TALENT

Percentage of Canadians responding to Ceridian’s 2022

of Talent report who say they are experiencing burnout, with 34 per cent reporting very serious or extreme symptoms.

Percentage of Canadians reporting burnout who say they have taken or plan to take a leave of absence.

Percentage of workers who believe employers should have all or some responsibility in their skills development.

EVERYDAY STEM

Percentage of Canadians who say science is important in their everyday lives, according to the 2022 3M State of Science Index, with 86 per cent saying they want to hear more from scientists about their work.

TIPPING POINTS

Percentage of Ontarians who say they are tipping more than before the pandemic, according to a Restaurants Canada survey.

average percentage customers in Ontario now tip.

Percentage that the national tipping rate rose compared to pre-pandemic numbers, as noted by an April 2022 Angus Reid survey.

Percentage of respondents to 3M who believe Canada needs more skilled trades workers.

Percentage of respondents to 3M who haven’t pursued a career in the trades because they didn’t think they’d make enough money. Eleven per cent didn’t think there was enough career growth; 13 per cent didn’t think a trades career was an option; eight per cent said their family discouraged it; and another eight per cent cited unfavourable stigma around trade jobs as a reason for not pursuing one.

Number of carved jack-o’-lantern

lit at the same time in Keene, NH on October 19, 2013, making the Halloween-themed event a Guinness world record.

.
BTN Compiled by Mechanical Business BY THE NUMBERS 30,581
pumpkins
84
Pulse
25
82
53
18.9 The
44
Mechanical Business 10.22102 91
95
12
25
10,000
700,000
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