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OVERVIEW
M
odern-day building asset management is reportedly about IoT- and AI-based solutions. We are firmly in an age of predictive, intuitive and speedy solutions, where real-time operational insights are becoming the norm, where issues relating to HVAC equipment can be predicted much before they occur. Apparently, commercial property owners, facility managers and operational teams have never had it this good. Thanks to the availability of data, they have greater transparency into the working of their buildings. They have an intimate knowledge of the condition of the assets, and can locally or remotely capture inefficiencies much before they happen and be prepared with the tools, including automation, to tackle them.
SPEAKERS (SO FAR)
H.E. Munther Mohammed bin Shekar Director General, Ras Al Khaimah Municipality
Ahmed Elkiki Director of Technical Services, RAK Hospitality, Government of Ras Al Khaimah
Sougata Nandi CEO, 3e Advisory
Andrea Di Gregorio Director, Energy Efficiency and Renewables Administration, Ras Al Khaimah Municipality
Sandhya Prakash Founder & MD, Beacon EST
Strategic Knowledge Partners
Eyad Ismail Group Director of Engineering, Ras Al Khaimah Economic Zone (RAKEZ)
Henrique Pereira Senior Manager – Energy Services, Energy Efficiency and Renewables Administration, Ras Al Khaimah Municipality
Hassan Younes Technical Director and Partner, Griffin Consultants
Strategic HVACR Recruitment Partner
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VOL. 15 NO. 01 JANUARY 2020
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The 3rd edition of The Client, Consultant, Contractor Conference
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Director
January
2020
PERSPECTIVES
18
ON THE COVER:
The ion obsess T with LD
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The obsession with LDT Key points on causes behind the Low Delta T Syndrome in district cooling developments and how penalties imposed in contracts serve as a bottleneck in the adoption of district cooling…
Suspended in mid-air Magnetic- or ceramic-bearing oil-free chillers... it’s time to turn them on, says Rehan Shahid
24
Colour, colour, which tower do you choose?
a problem We cannot solve kind of me sa e th g by usin en we wh thinking we used . em th ed creat Albert Einstein
Aslan Al Barazi arrays different types of cooling towers and elaborates on their comparative merits and demerits
POST-EVENT REPORT
Regal Beloit Innovation Summit
08
‘It’s all about efficiency and human comfort at the right price’ The Regal Innovation Summit, held on November 28 in Dubai focused on innovative motor and blower technologies, and was a forum for discussion of challenges faced by OEMs, distributors, consultants and end- users in the HVACR sector. Climate Control Middle East presents an overview of the company’s observations, technical presentations and overarching strategy
06 eDItor'S note
The menace of microplastics The global fight against microplastics is targeting biological wastewater treatment as a source. In view of that, Christian Börner and Cornelia Harmsen elaborate on how to avert the threat in the treatment process
BMS and the blasé syndrome January 2020
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REGULARS
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page
ATE CO
E EAST
PERSPECTIVES
A CLIM
MIDDL NTROL
Keeping the information superhighway clear Air filters in data centres offer a host of solid business advantages, says Camfil
34 Regional News 54 Global News
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EDITOR’S NOTE
BMS and the blasé syndrome
I
n an earlier age, which was till a few years ago, Building Management System (BMS) was the most-talked-about solution, and as having tremendous potential in building asset management. Today, though, more often than not, consultants, when questioned about the performance of BMS in the Middle East, are unequivocal in their response: “In most buildings, BMS is one or more of the three - not connected, not operational, not properly maintained. Which is a pity, because by consensus, it is a wonderful technological asset that can address multiple concerns, be they related to energy efficiency, indoor environmental quality or the Low Delta T Syndrome in a district cooling scheme.” Modern-day building asset management is reportedly about IoT- and AI-based solutions. We are told we are firmly in an age of predictive, intuitive and speedy solutions, where real-time operational insights are becoming the norm, where issues relating to HVAC equipment can be predicted much before they occur. Apparently, commercial property owners, facility managers and operational teams have never had it this good. Thanks to the availability of data, they have greater transparency into the working of their buildings. They have an intimate knowledge of the condition of the assets, and can locally or remotely capture inefficiencies much before they happen, and be prepared with the tools, including automation, to tackle them. Questions abound, though. What is the associated cost of IoT- and AI-based solutions for building asset owners? What is the expertise required of the inhouse engineering teams at buildings or a portfolio of buildings? The third question is perhaps most important, given that the building industry is often termed as a fractured stakeholder community, where building owners, project managers, architects, general consultants, general contractors, MEP consultants, and MEP contractors – to name some – often work at cross-purposes, when the acknowledged ideal approach is an integrated project delivery mechanism. In that context, how effective are the cutting-edge IoT- and AI-based solutions of today, when fault lines appear in specification of equipment (in a typically price-driven market), design and installation, as a result of which intent and execution don’t match? A fourth question has to do with indoor environmental quality (IEQ). While energy and water efficiency are given their due importance, how penetrative and effective have the cutting-edge IoT- and AI-based solutions of today been in addressing the crucial indoor environmental quality (IEQ)-related concerns of buildings across the GCC region? Indeed, what data have they been able to generate to iteratively improve building performance in terms of air quality, thermal comfort and acoustical comfort? The questions perhaps need all the attention they can get. Blasé got the BMS industry only to a certain point.
Surendar Balakrishnan Editor @BSurendar_HVACR
January 2020
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Linking the best of Africa to the world HVAC Connector africa We are delighted to announce the launch of HVAC Connector Africa (www.hvacafrica. com), an online directory that offers the largest international database of HVAC solution providers based in or selling to Africa. Developed by CPI Industry, publishers of the globally acclaimed Climate Control Middle East magazine (www.climatecontrolme.com), HVAC Connector Africa follows the same concept and format as Climate Control Guide & Directory (www.climatecontroldirectory. com, launched in 2005) and Refrigeration Buyers’ Guide (www.refrigbuyersguide. com, launched in 2013). It offers a compendium of state-of-the-industry reports alongside product- and company-wise listings. Traditionally, the directories are used by the procurement departments of prominent contracting and consulting companies worldwide. The directories are integrated into the database of relevant organisations, hence companies that are listed will be visible to key decision-makers. Providing a comprehensive and credible platform for all brands, the directories save buyers of HVACR equipment from tedious searches across several websites. Welcome to a world of new and exciting possibilities. We look to place an instrumental resource in your hands to facilitate your search for the very best solution providers in Africa.
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Regal Beloit Innovation Summit
‘IT’S ALL ABOUT EFFICIENCY AND HUMAN COMFORT AT THE RIGHT PRICE’ The Regal Innovation Summit, held on November 28 in Dubai, focused on innovative motor and blower technologies, and was a forum for discussion of challenges faced by OEMs, distributors, consultants and end-users in the HVACR industry. Hannah Jo Uy of Climate Control Middle East presents an overview of the company’s observations, technical presentations and overarching strategy…
egal (comprising parent company, Regal Beloit Corporation and its affiliated companies) is invested in the Middle East region, as it will continue to be a key and strategic growth area for us, said Sheel Kapoor, Regional President & CEO, India MENA, Regal, as he welcomed consultants, contractors and other key decision makers to the event.Kapoor added that the timing of the Summit, is appropriate, considering the number of changes this region is undergoing. “While energy cost is rising, governments regulate the energy standards as a countermeasure to arrest depletion of resources,” he said. “A lot of initiatives in the Middle East are focused on energy conservation. Regal has been partnering with its customers to reduce energy consumption through efficient products.”
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Vijay Kambhammettu, Director of Sales and Marketing, MENA, Regal, echoed similar thoughts by adding that many of the global OEMs are establishing local manufacturing or expanding their current factory floor space in the region, indicating massive growth potential for HVACR. Kambhammettu added that energy regulation is a key factor driving this change and the enhanced efficiency norms across the GCC region countries such as Saudi Arabia, Kuwait, and the UAE are creating greater demand for better quality solutions. He emphasised that regulations are instrumental in driving the industry towards efficient motor and blower solutions. Furthermore, he added that a far more informed and demanding pool of customers having greater understanding of sophisticated technologies is also impacting the industry. He explained this using an analogy of a tyre pressure monitor in vehicles. He said: “Ten years ago, not
every vehicle had a tyre pressure monitor. While today, customers expect to see it in every entry-level car.” So, it’s not only about efficiency, it’s about efficiency, comfort and the right price – these are the three things that matter the most. Consumers’ expectations are growing as well. With the advancement in technologies, they expect increasingly greater comfort.” “These trends," Kambhammettu said, "create new opportunities in commercial and residential projects and in retrofits. Even with all the office space and buildings being constructed in the Middle East, retrofits play a vital role in improving the building stock. It’s all about cost optimization! For residential projects, it’s about comfort and for light-commercial building users, having a better payback matters the most. Expecting cheaper ways to run a building, which enables increased comfort, is hardly possible. An employee’s productivity is negatively impacted by an uncomfortable HVACR office
Sheel Kapoor
Yatin Saini
Sunil Kakru
Vinayak Atre
Vijay Kambhammettu
environment, and the adverse impacts can be worse than the cost of upgrading the working space.”
Mark Williams
Chirag Patel
DELIVERING SOLUTIONS TO MEET END USER NEEDS In view of the changing requirements of stakeholders in the region, Kapoor said that the Summit was organised to showcase the range of Regal climate solutions that can satisfy currently unfulfilled needs among prospective end-users and consultants. Chirag Patel, Technology Program Leader, GTC-HI, Regal, kicked off the first session with a comprehensive discussion on Regal’s innovations in air movement. The session started with a video indicating successful implementation of Regal’s DEC STAR® blower in an application unit of a customer - Modine Manufacturing, USA, which yielded benefits to its end user, Lakeshore School District, in creating comfortable and quiet studying environments. Later, he highlighted the company’s portfolio of products, including direct-drive blowers and fan decks with Electronically Commuted (EC)
and Alternating Current (AC) motors. He followed that up with an extensive discussion on Regal’s DEC STAR blower solution, which he said offers improved airflow efficiency due to 100% inlet area utilisation. Patel also presented a case study of a fan coil unit (FCU) application using the DEC STAR blower in one of Thailand’s leading supermarket stores, which he emphasised, led to a 45% efficiency gain, 4 dB noise reduction, ease in maintenance, and met the payback expectations of the customer. In the second session, Yatin Saini, Business Development Manager MENA, Regal, talked about Genteq® EC Motors. showcasing its portfolio that included ECM 3.0, 142R, ENDURA® PRO, SMARTDRIVE® and PikaTM motors. Saini also provided a comparison between an ECM motor and brushless DC motor while explaining the technology difference and its benefits to the end users. He also provided case studies on leading hotel chains in India and China that accentuated the product’s role in saving operation cost by offering a great retrofit solution. Later, Sunil Kakru, Director – Engineering & Quality, Regal, spoke extensively on AC motors, touching on Regal’s permanent split capacitor (PSC) products such as Fr42, Fr48 and Fr56 motors. Continuing the innovation theme, he added how Regal’s PSC motors are energy efficient compared to standard PSC motors. Talking about technology used by Regal for PSC motors, he explained how the flux density of standard AC motor was improved to attain a four per cent increase in energy efficiency. Apart from flux density optimisation, increasing the conductor fill in the motor is a technology innovation that Regal has implemented in its PSC motor. Mark Williams, VP MEA – Industrial Motors and Vinayak Atre, Marketing Director – Industrial Motors, Regal, introduced TerraMAX® motors, which is Regal’s global low voltage motor platform, to the audience. The TerraMAX product series, including the TCA (IE3), SCA( IE2) and QCA (IE4) products, caters to a range of commercial applications with multiple mounting configurations, they said. With local technical and customer support in the Middle East region,
January 2020
9
Regal Beloit Innovation Summit
VOICES
HERE’S WHAT WAS HEARD AT THE SUMMIT…
Our products are not just about cost and energy efficiency but also comfort. Constant air flow is common feature in the United States but has not been so explored here. But, with our technology, our standard EC motors can do all these – they can deliver constant CFM at varying static situations. A hall is designed for ‘X’ CFM, but over time, the static changes, and when that happens, the airflow changes. Our motors will improve comfort and productivity. If everybody thinks only costs, there will be stagnation. – Vijay Kambhammettu, Director of Sales & Marketing, MENA Business
“As the whole world is moving towards sustainability to protect the planet, Regal Beloit’s initiative and product-based approach towards that is well appreciated. Dec Star fan with axial motor technology is quite impressive. I trust this product will help the OEM in product optimization and enhanced efficiency. It was also interesting to learn that IE4 efficiency motors, which are typical met through permanent magnet design; Regal is achieving that through induction motor itself.”
We recognize that our distribution partners face the challenge of capital cost. And in the case of end-users, the cost of energy is increasing. And so, we as a business invest significant dollars in improving performance and energy levels, while delivering the value product to our customers. – Mark Williams, VP MEA, Industrial Motors, and Vinayak Atre, Marketing Director, Industrial Motors, Regal Beloit
– Niranjan Kumar, General Manager - Technical, Mekar Air Handling Units LLC, Dubai
The TerraMAX® motors are available in IEC or NEMA constructions for IE2, IE3 and IE4 efficiency. There is ongoing discussion about harmonizing the standards. There are schemes such as from IEC EE and GMEE that can help manufacturers access global markets with minimal efforts. The industry bodies and government will have a major role in driving policy changes for future adoptions of green technology. – Vinayak Atre, Marketing Director, Industrial Motors, Regal Beloit
It is interesting to learn that DEC Star blower does not use any differential pressure sensors or feedback signals separately to deliver designed airflow even after rise in the system static pressure. The pre-programming feature of this blower brings innovation to next level. – Davis John Chacko, Marketing & Technology Manager, Thermal Energia System Trading L.L.C, Dubai
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January 2020
the Regal team is geared up to deliver its products with the required certifications for a broad range of commercial and industrial applications, they said. The big driver for change in adoption of high-efficiency capabilities will be the effort by the industry or manufacturers association working with government bodies to bring about forwardlooking changes in regulatory requirements, driving energy savings on one end and enduser comfort, such as lower noise, equipment reliability and life, on the other end, they said. The key is to foster a win-win situation for OEMs, consultants and the end user by effective policy changes – and the Regal team is up for this challenge, they added.
EDUCATING FOR EFFICIENCY Lastly, Kambhammettu said that in MENA, consumption of AC motors for HVAC applications is at 70-80%, while DC solutions comprise about 20-30%. The key reason for this lower consumption of DC solutions, he said, is the apprehension that consumers have about cost of DC solutions. While it appears that DC solutions are more expensive compared to AC solutions, the equation is vastly changing, due to evolving efficiency norms and growing concerns relating to climate change mitigation. Kambhammettu emphasised that there is a need to educate stakeholders and encourage investment towards long-term cost savings over capital cost and highlighted the benefits of switching from AC to DC. Kambhammettu summarised saying that multiple issues relating to motors underscore the importance of the presentations and the Summit as a whole. He said that it is important to bring people together, not only to provide education, but also to get a better understanding of issues plaguing each stakeholder down the value chain. For any company that innovates high-end products, he said, investing in education is a must. “When it comes to commodities that have been in the industry for over 20 years, there is no need to explain anything, but when it comes to newer technology, there is a need to address the inevitable learning curve,” he said. “Smartphones back
in the day were complicated with the apps and everything, but now they have reached a comfort level among users and improve their productivity. Similarly, in our industry, when we talk about efficient solutions, we need to educate not just OEMs but also consultants and end users on the benefits that can be achieved from these technologies and to move towards a more holistic and less cost-centric approach.” The industry can go in that direction only through more education and by making it simpler for everyone. He added that Regal aims to promote synergy among stakeholders as opposed to working in silos, which is impacting overall efficiency of building systems. Weighing in, Kapoor said: “We recognize through this Innovation Summit that there
is a huge scope for our products. We can partner with customers and help them meet their objectives. We walk away from this Summit knowing that the engagement level helps us take things to the next level, and we continue to remain invested in such forums in the future.” Kapoor also added that the company aims to leverage experience and execution capability from its wide footprint of 63 manufacturing facilities and design centres spread across the globe. “When we look at sustainability goals, we work on the footprint and the handprint,” Kapoor said. “The handprint is the products we make, and how we equip our customers to be successful with energy-efficient products, focusing on the front-end and the customer side of things. The footprint is what we leave behind.
When we manufacture our products, we aim to consume fewer resources, be it power or water; and reduce waste. A lot of our initiatives are in working towards making the world a better place. We are keen in creating a better tomorrow today.”
HAVE YOUR SAY! We welcome your views on the article. Write to editor@cpi-industry.com
January 2020
11
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OFFICIAL PUBLICATION
THE 8TH ANNUAL MIDDLE EAST
CONFERENCE 30 March 2020 Muscat, Sultanate of Oman
OVERVIEW
E
nergy-conservation policies, withdrawal of subsidies and strong engagement between developers and consultants – these factors contribute to making Oman an attractive market for energy-efficient technologies and to paving the way for greater adoption of VRF systems. The sale of VRF systems in Oman has grown substantially in value and total cooling capacity sold. Growth rates in market volume have been higher during the last few years. In the last five years alone, VRF systems have found vital acceptance in Oman and in other GCC region countries – this is evident in the number of new brands looking to enter the market. In 2018 alone, the VRF market in Oman was valued between USD 20 and 25 million. The figure is expected to grow in the coming years, considering the fact that Oman is placing greater importance on power saving. Indeed, energy-conservation policies are driving the uptake of VRF systems in the country. Most of the conventional, unitary-type units arguably do not have the flexibility of sensing the actual indoor conditions, and keep operating with frequent tripping of the compressor, as per the set temperature, overlooking whether actual load is there or not, says an industry expert based in Oman. In that context, he adds, a designer seeks a system that saves
energy, conserves space, enhances ease of use, delivers a high measure of reliability and has the flexibility of a unitary system and part-load capability of a chilled water system, which can work at high-ambient conditions and can be installed in a short time. Recognition of the fact that multiple compressors can provide greater energy efficiency and comfort due to reduced short-cycling and increased equipment life, is leading to the use of VRF technology. Oman offers a wealth of opportunities to VRF stakeholders, particularly manufacturers and suppliers, because despite being geographically smaller, it has the added advantage of being a less saturated market, compared to the UAE and Saudi Arabia. This is motivation to conduct the 8th edition of the Middle East Variable Refrigerant Flow Conference in the Sultanate.
www.vrf-me.com 12
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A CLIMATE CONTROL MIDDLE EAST SPECIAL SUPPLEMENT
TRACKING THE DISTRICT COOLING INDUSTRY IN THE MIDDLE EAST
The 3rd edition of The Client, Consultant, Contractor Conference
The obsession with LDT Key points on causes behind the Low Delta T Syndrome in district cooling developments and how penalties imposed in contracts serve as a bottleneck in the adoption of district cooling…
INSIDE: Suspended in mid-air Rehan Shahid, Director, P&T Architects & Engineers.
Colour, colour, which tower do you choose? Aslan Al Barazi, Executive Director at IMEC.
January 2020
13
The Client, Consultant, Contractor Conference
THE OBSESSION WITH LDT Story by Hannah Jo Uy | Assistant Editor
“F
rom my 25 years of experience in the UAE, I have noticed a huge difference in the way buildings are being designed and operated, which has contributed to having this Low Delta T Syndrome,” said Fares Ahmad, General Manager, Emaar District Cooling, as he dove straight into the heart of the matter during the third edition of The Client, Consultant, Contractor Conference, on September 30, 2019 in Dubai. Ahmad emphasised that the issue of Low Delta T starts at the design stage, sharing his observations not only as a representative of a district cooling provider, but also gleaning from the various roles he played within the industry as a consultant, manufacturer, contractor, client representative, project manager, strategic adviser and risk manager. “It’s about doing the right heat-load calculations, the selection of the contractor and consultant, the selection of the right equipment and having the right budget to select the right equipment,” he said. District cooling companies, Ahmad pointed out, are essentially tasked with providing chilled water flow, in line with the design capacity of the building, as
14
January 2020
In this – the last installment of the post-event report on the third edition of The Client, Consultant, Contractor Conference, organised by CPI Industry on September 30, 2019 in Dubai – Climate Control Middle East shares key points from a panel discussion on causes behind the Low Delta T Syndrome in district cooling developments and how penalties imposed in contracts serve as a bottleneck in the adoption of district cooling…
calculated by the consultant, and within a certain supply and return temperature. “If a building, and the load, has not been designed and considered in the right way, the building can be overdesigned,” he said. “And we know most buildings in the region have the problem of overdesign.” Such systems require a higher flow, he said, adding that it also means that building owners are not able to control the return temperature from their assets, such as the heat exchanger and ETS room. “That will create a problem for the district cooling provider,” Ahmad said. “It will force him to run the chillers and the pumps in the district cooling plant for a longer period of time. It means the plant will not be running at the highest efficiency profile it’s designed and selected for. Then, the district cooling provider will be paying more money for the electricity and water required to run the district cooling plant.” Ahmad said he has seen buildings overdesigned by up to 40%, wherein consultants are applying for 1,500 tonnes of cooling for a building that requires only 1,000 tonnes. Providing a perspective on the challenges facing consultants in this regard, Mansour Kharoub, Associate Principal - Mech Engineering Services, Khatib & Alami, said that while he agrees with the statement that many projects suffer from being overdesigned, from his own experience as a designer, over design can and should be
avoided by approaching the project in two different ways, taking into consideration peak time load selection for individual units and plant load selection for the whole project considering certain diversities. “The peak time load, here, contributes to only one per cent of the building’s operation over the year, but I have to comply with this for individual spaces/units,” he said. “Definitely, I cannot compromise on the size of the unit, so I base my selection for the unit on the peak load scenario. Coming to the final connected load for the project as a whole, we start to apply measured diversities that would reduce the plant load and ensure proper cooling for the project all year around. This plant load is what we request from the district cooling provider. Unfortunately, we have experience with some of the district cooling providers where we say ‘Okay, this is our plant load and what we require for the building,’ yet when we want to sign the contract, they say, ‘No, we will provide you the load as per the summation of you equipment units’ selections which raises up the figure tremendously. This means that our client would have to sign for more cooling than what we requested, which we as consultants refuse, and this leads to some hard negotiations with the DC providers. These are some of the practices in the market that also contribute to the Delta T.”
Mansour Kharoub
Fares Ahmad
Sougata Nandi, CEO, 3e Advisory, pointed out that the prevalence of overdesigning for capacity persists despite the fact that buildings are being constructed according to standards and guidelines. Commenting on this, Asim A Hashmi, Sales Director - Applied, S.K.M Air Conditioning LLC, said that it is important for stakeholders to remember that each building, and each project, is different and may have issues that is not under the scope of the existing guideline, and which may impact its design. “You can design a building and its equipment based on the guidelines, but because of the tactical issue – and the fact that proper balancing has not been done – you will have issues on the performance of the building and equipment, as well. Balancing is key.” Kharoub weighed in to highlight the important role that testing and commissioning play in building performance. “When it comes to testing and commissioning, in most of the projects here, the occupants enter the building before it is done,” he said. “After that, they test without the system being properly balanced. The FM’s here role becomes corrective rather than preventive.” Nandi said that this underscores the importance of a more dynamic operation of chilled water systems inside the building to match Delta T requirements, emphasising
Asim A Hashmi
Sougata Nandi
I think rather than having fixed tariff for a fairly long period of time, it makes sense to have benchmarking procedures in contracts, concession-type agreements, so prices paid correspond to efficiency savings
Euan Lloyd
that the proper balancing of chilled water and air distribution in buildings is not a “one time exercise”. “You have testing and commissioning and then handover, but buildings keep changing all the time,” he said. “A dominant practice here is open plan offices. Today, one company occupies one floor, then later the same floor could be leased to five different companies. Office lots keep changing, and then the HVAC system becomes imbalanced.” Nandi said that in addition to the technical issues affecting the Delta T, a number of the issues are also commercial and contractual in nature. Reflecting on this, he asked, “Considering a building won’t need the peak load for more than approximately one per cent of the time, which can be addressed by precooling and other solutions, would it be possible to sign a contract for 900 tonnes instead of 1,000 tonnes peak time, which will not be crossed for the most part throughout the operations?” Ahmad answered by pointing out that the service agreement of district cooling providers, which is governed by the master developer, is defined by the peak load design. “That is the specified load the contract will be based on,” he said. Ahmad also emphasised that district cooling providers do not charge consumption based on peak load. “Consumption is the
January 2020
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The Client, Consultant, Contractor Conference
actual consumption of chilled water that you consume minute per minute, per hour,” he said. “The issue here is that the Delta T is not only driven by the maximum or peak load, it is driven by the difference between the actual load you require at a certain particular moment, and the load you are taking, which is more than the actual load. It means you are striving for more flow, and more flow means more energy, so you are consuming more energy and you are consuming it in a manner where you don’t need it, and still you are not crossing the peak load, assuming
the peak load is 1,000. During winter, you are not going to reach 1,000 tonnes, you are only taking 300 or 400 tonnes, but what you are actually consuming is like 600-700 tonnes, because the system is not balanced, the selection of equipment is not right, the diversity you have is not correct, you have certain bypasses, you are not doing proper maintenance for strainers and filters and you do not control the thermostat. All of these can contribute to the building striving for more flow that required, that’s creating the problem.” Ahmad added that when stakeholders take into consideration the percentage of the impact of low Delta T across the unit, often, it is happening when the unit is not reaching peak load.
A LEGAL PERSPECTIVE Touching on the issue of penalties associated with Low Delta T in district cooling service agreements, Ahmad said that contracts vary from one district cooling provider to another, and from one contract to another. “We are not here to make money out of penalising people,” he said. “As Emaar District Cooling, it’s not our intention to charge people. Yes, we are sometimes applying Delta T, but we are more trying to
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be gentle with the clients at the end of the day and looking at giving a customer experience that will help keep customers with us.” Ahmad said that the company has been proactively incentivising different building owners, investors and developers by presenting the benefits of investing in energy-saving measures. “We say, ‘You are paying AED 1 million penalty, regardless of mechanism, on a yearly basis because of having low Delta T issues, why not do a lifecycle analysis. If you can do some modification that could cost around AED 200,000, or even [implement a] change in operation to help them avoid Low Delta T, it will be worth it.’ We use it as a mechanism to encourage stakeholders to protect their own interest and, at the same time, protect interest of the district cooling provider from paying hefty penalties to DEWA for using electricity and water.” Ahmad said that as Emaar District Cooling, the company has been engaged with direct technical and commercial discussions with building owners, operators and facility managers to control the building after identifying the problem behind the Low Delta T Syndrome. Providing a legal perspective on penalties associated with contracts was Euan Lloyd, Senior Counsel, Al Tamimi & Company, who said that overall, the industry should take a closer look at how contracts are drafted. “You do get penalty clauses in contracts, but there are alternative ways to try to incentivise providers to perform,” he said. Lloyd added that based on his general observations on district cooling contracts circulating the
market, he believes that in many ways the typical contract has not kept up with the pace of the market and its advancements. "District cooling contracts can be in a fairly basic form and do not always reflect the complexities and nuances of the commercial agreement,” he said. “The pricing mechanism tends to be rigid for a significant amount of time, sometimes up to 25 years, and this prevents efficiencies, which typically develop over time, from being passed to the end user. Contracts in the market don’t always acknowledge this, so I think rather than having fixed tariff for a fairly long period of time, it makes sense to have benchmarking procedures in contracts so prices paid correspond to efficiencies.” Another issue, he said, is reliance on the FIDIC format in most contracts.
Lloyd also pointed out that, as district cooling is becoming more and more prevalent in Dubai, following government support to increase penetration by 2030, there is obvious scope for the industry to move towards a fairly standard form of district cooling contract addressing these issues that can be implemented to provide standardisation to the industry.
HAVE YOUR SAY! We welcome your views on the article. Write to editor@cpi-industry.com
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Rehan Shahid is Director at P&T Architects & Engineers. He may be contacted at rehan@ptdubai.ae.
SUSPENDED IN Magnetic- or ceramic-bearing, oil-free chillers... it’s time to turn them on, says Rehan Shahid
t is a necessity of time to come up with the most efficient and reliable machines, and the chiller industry is no exception. Indeed, the industry has been moving full steam ahead in considering all feasible options that would allow that extra watt of energy to be saved. And oil-free bearing is certainly one of the crucial elements. The use of oil-free bearings for chillers is not new, and there are a few options available, such as… 1. Magnetic-bearing centrifugal chiller, in the capacity range starting from 165 RT to 1,425 RT 2. Refrigerant-lubricated-bearing centrifugal chiller, in the capacity range starting from 500 RT to 800 RT 3. Air-bearing centrifugal chiller, of 100 RT capacity
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All these technologies offer compact design, lower noise and better efficiencies compared to oil-lubricated bearing
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chillers… and yes, they come with a small premium, in terms of first cost; but we need to bear in mind that the long-term overall cost of ownership is quite attractive and cannot be ignored. So, then… what’s better, when it comes to oil-free centrifugal chillers -- magneticbearing or refrigerant-lubricated-bearing? Let’s have a look at the various oil-free bearing systems in some detail.
made usually from alloys of rare-earth metals – this gives them much lower electric resistive losses than AC induction motors, because no electric current is induced in the rotor. This allows magnetic fields generated by PMAC motors to deliver the same torque as AC induction motors with a smaller, lighter motor (Figure 2). To support the shaft without any physical contact, magnetic bearings use electromagnetic forces. Such a magnetic bearing design does not require oil or refrigerant for lubrication. The suspended rotating shaft maintains frictionless operation, thereby creating a device that features high efficiency, low noise and a long lifespan. Having oil-free bearings makes the chiller system relatively simple and easy to maintain. Magnetic-bearing systems use considerably fewer moving parts than oil- or even refrigerant-lubricated drivelines, almost 80% less in some cases. This results in enhanced reliability, reduced maintenance and improved efficiency. (Magnetic-bearing systems have been in use in some missioncritical chillers since 1998, so they do not constitute a new technology that some of us may believe to be so.) To provide emergency power in case of sudden loss of power, magnetic-bearing chillers are provided with integrated Uninterrupted Power Supply (UPS), as a form of backup, built into the design in order to maintain the rotation of rotary shaft and magnetic bearings to operate stably in case of mains failure. In the event of a power loss, the UPS provides power to the controls and coasts down to a slow speed to de-levitate the shaft and rest on the touchdown bearings.
THE ACTIVE MAGNETIC BEARING (AMB) Magnetic-bearing centrifugal chillers employ key technologies, such as electromagnetic force driving, smart controls and advanced highspeed precision spindles. Permanent magnet AC (PMAC) motors replace the magnetic field induced in the conductors in the rotor with permanent magnets,
■ Figure 1: Active Magnetic Bearing1
■ Figure 2: Magnetic-bearing driveline2
Some more advantages worth mentioning are… • Magnetic bearing doesn’t suffer from wear. • Non-contact design, hence there is an elimination of mechanical frictional losses, resulting in high reliability
• Can often accommodate irregularities in the mass distribution automatically, allowing rotors to spin around their centre of mass with very low vibration • Low power losses, which allow AMBsupported machines to achieve higher running speeds.
• AMBs are complex mechatronic systems that have many potential power loss mechanisms that are required to be dealt with successfully in order to have a reliable system. • They have a high first-cost associated with them; having said that, it’s the total cost of ownership payback that makes these machines attractive. • Magnetic bearings typically require a back-up (touchdown) bearing in the case of power or control system failure.
■ Figure 3: Online UPS arrangement
• Low noise with virtually no structure-borne vibration, due to no mechanical contact • Conventional oil-lubricated-bearing chillers typically cannot operate below 50 degrees F (10 degrees C), but some of the magnetic chiller machines can operate with entering condenser water temperatures as low as 36 degrees F (2.2 degrees C) Having highlighted some of the advantages, here are some typical concerns surrounding magnetic-bearing chillers that must be pondered upon…
REFRIGERANT-LUBRICATEDBEARING CENTRIFUGAL CHILLER One of the leading bearing manufacturers has developed a unique bearing lubrication solution for centrifugal compressors in the form of hybrid bearing that runs in pure refrigerant and does not require oil lubrication. This hybrid bearing consists of high Nitrogen stainless steel rings, Silicon Nitride rolling elements and a glass fibre reinforced Polyetheretherketone (PEEK) cage. This proven media-lubricated design is helping to pave the way for
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a new generation of high-efficiency, lowmaintenance compressors, used in watercooled chillers1. It is claimed that the refrigerantlubricated rolling bearings can improve energy efficiency up to four per cent, compared to traditional hydrodynamic bearings.
Bearings lubricated with just refrigerant rather than refrigerant/ oil mix further boost energy efficiency of the chiller, not only because of the considerably reduced friction in the bearings but also through improved heat transfer in the condenser and the evaporator heat exchangers. The
need for oil maintenance and oil costs is eliminated by having bearings that don’t require oil lubrication system. In comparison to the magneticbearing system, the refrigerant-lubricatedbearing system is refrigerant-dependent, and its operation for any new series of refrigerant may need to be verified. Also, the refrigerant-lubrication systems require components very similar to oil-lubricated systems (Figure 5) and, therefore, need regular maintenance.
■ Figure 4: Refrigerant-lubricated bearing3
■ Figure 5: Chiller refrigerant-lubricated bearing system4
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AIR-BEARING CENTRIFUGAL CHILLER Another well-known chiller manufacturer has in its arsenal an inverter centrifugal single compressor 100 RT chiller, which uses airbearing technology, which also allows it to operate without lubricating oil. The air bearings use pressure from the refrigerant to create space between the shaft and the leaf of the rotor (Figure 6). When the motor is stationary, the motor shaft drops down, and the leaf does not receive pressure from the system and makes contact with the shaft. Problems can occur when the motor is stationary and the shaft and leaf make contact; in order to prevent any damage due to contact, a special coating technology is used. All this sounds a little complicated – and it certainly is, when compared to the other systems, discussed earlier. Furthermore, it seems like a hybrid system that uses air and refrigerant. Technical details of this system are not yet available, neither in the manufacturers’ product catalogues nor in the public domain. The chiller manufacturer claims to achieve the industry’s highest energyefficiency rating for its centrifugal chiller, thanks to its effective three-level
Hamon, integrated cooling and air quality solutions for a cleaner environment Hamon is a multinational Group with over 100 years experience in the design and supply of cooling technologies (wet and dry cooling) and air quality systems to the power industry, as well as other energy intensive sectors. We engineer, manufacture, deliver and erect all cooling system types as well as dust, acid gas and NOx removal systems with over 50,000 references worldwide in all types of applications. Our local teams are ready to support you on the specifications of the project, its implementation as well as the maintenance of the equipment.
HAMON COOLING TOWER COMPANY Dubai Airport Free Zone Authority Building 4W B-Block, Office 649 P.O. Box 293647 Phone number: +971 4 6091672 info.hctc@hamon.com www.hamon.com January 2020
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■ Figure 6: How air-bearing works5
inverter and two-stage compression cycle. The manufacturer further claims that the use of its oil-free inverter technology in its centrifugal chillers results in operating costs that are 29% lower than traditional screw chillers, which operate at a fixed speed. These are claims, as they have not been verified.
FOR WHAT IT’S WORTH All oil-free-bearing systems offer considerable improvement in the efficiency and reduction in operating costs of the chillers when compared to the traditional hydrodynamic bearings, although manufacturers occasionally do get carried away with their claims. However, there is definitely a case for these energy-efficient alternatives, and we can see that more and more designers and developers are considering oil-free chillers in their projects. As for which system may be better, we let laws of physics prevail for now – friction is loss of energy and, therefore, magneticbearing chillers would definitely have an
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edge over other technologies that are being used in parallel. In addition, magneticbearing technology has come of age and can now be considered as a reliable alternative. Furthermore, when compared to the other technologies, it’s definitely very low maintenance. Undoubtedly, use of oil-free bearings and, specifically, magnetic bearings is another tangible step towards making very efficient machines with minimum internal losses. We can see that the industry is moving in the direction where more and more chiller manufacturers are considering these alternatives to make their machines more reliable and efficient while keeping the maintenance requirements low.
CPI Industry accepts no liability for the views or opinions expressed in this column, or for the consequences of any actions taken on the basis of the information provided here.
References: 1- http://www.sti.nasa.gov/tto/ spinoff1996/images/114.jpg 2- https://www.johnsoncontrols.com/ hvac-equipment/chillers/yz-magneticbearing-centrifugal-chiller 3- https://www.skf.com/binary/21294546/15640-EN-Pure-refrigerantlubricated-bearings-reference-case. pdf 4- https://www.york.com/for-yourworkplace/chilled-water-systems/ magnetic-bearings 5- https://www.lghvacstory.com/thepower-of-air/
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Many of today’s HVAC OEMs across the Middle East are developing applications that strives to meet high energy efficiency regulations. A typical strategy to meet regulatory standards is to replace a conventional AC motor with brushless DC or ECM motor to catapult energy ratings. Use of bigger size fan to deliver designed airflow is also an alternate solution to meet energy standards. While these options are easy to implement, they tend to increase design cycle time due to multiple testing of right size fan and the motor.
HiELoN fan deck is a twin fan blower system designed on the engineering platform of the DEC STAR blower. HiELoN fan deck is a high efficiency low noise blower system which is a fully assembled system solution. It is targeted for fan coil units from 200 to 2400 CFM capacity, providing up to 30% energy efficiency compared to a standard blower system. This patented product yields system benefits in terms of reduced shipping expenses, finished good inventory, WIP and labor expenses.
What if you could meet your energy regulation requirements with optimum size of blower and lower input watts? DEC Star® Blower Genteq DEC STAR blower is known for its innovative, high efficiency, and axial motor-based technology design.This blower is targeted for HVAC applications such as fan coil units, packaged units, air handling units etc. up to 2400 CFM capacity per blower. The blower uses a high efficiency blower (HEB) housing with an impeller driven by an axial flux BLAC motor with full featured sinusoidal EON® motor control technology. This unique blower system positions the motor out of the blower inlet, eliminating the air restriction and improving system efficiencies. The DEC STAR blower is a patented high efficiency blower design that provides ultimate CFM for input watts.
DEC Star Blower Size Available: 9”, 10” Motor HP: 1/2, 3/4 Motor Type: Axial Controls: PWM, VSP HiELoN Fan Deck Size Available: 6”, 8” Motor HP: 1/8, 1/4, 1/3 Motor Type: BLDC/ECM/PSC Controls: PWM, VSP, Fixed Speed Regal Beloit FZE. JAFZA ONE, Office 1810, PO Box: 262629 Jebel Ali Free Zone, Dubai, UAE, Ph: +971-4-8107444
www.regalbeloit.com Creating a better tomorrow™... Regal, Creating a better tomorrow, HiELoN, Decstar, Eon and Genteq are trademarks of Regal Beloit Corporation or one of its affiliated companies. © 2020 Regal Beloit Corporation, All Rights Reserved. MCAD18087E • G0087E
January 2020
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Aslan Al Barazi is Executive Director at IMEC. He may be contacted at imec@emirates.net.ae.
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NDUCED-DRAUGHT COUNTERFLOW COOLING TOWER
This is the most efficient design, in the sense that it demands minimum energy on the cooling tower fan power. Broadly, it is the most competitive, cost effective and popular design solution for the HVAC industry. It has the maximum force per unit area for the air in contact with the water droplets falling down the cooling tower, thereby deeming it the least in terms of fan energy consumption. It also has the characteristic tendency to be ‘Tall & Thin’ in dimensions – that is, it has the minimum length and width area with more height, compared to the Induced Draught Crossflow design counterpart, which may be considered ‘Short & Fat’ – meaning, it has more length and width area but a shorter overall tower height. The reason for this is that the heat transfer in the counterflow design moves vertically, whereas the transfer is happening horizontally in the crossflow design. So, if the client has a space limitation from a ‘Length & Width’ perspective, they may normally find a counterflow design more apt, whereas if they find that the height is more of a restriction in the design, then a crossflow may be a better choice. The disadvantage in the case of the Counterflow design is that the inner components of the cooling tower are not easily accessible during maintenance, unless you are dealing with bigger industrial cooling towers, with capacities of 6,000 USGPMs per cell and above.
COLOUR, COLOUR, WHICH TOWER DO YOU CHOOSE?
INDUCED-DRAUGHT CROSSFLOW COOLING TOWER
Aslan Al Barazi arrays different types of cooling towers and elaborates on their comparative merits and demerits
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The Induced-Draught Crossflow Cooling Tower is the other popular design for end users and consultants alike. The main advantage, apart from the competitive pricing – Crossflow and Counterflow being similar from a price perspective – is that the accessibility of the
Crossflow type for maintenance is very easy. Even for towers as small as 300 TR (900 GPM per cell), a maintenance worker may enter the cooling tower through the access door to carry out overall tower maintenance. Although the Crossflow is less efficient in energy consumption in terms of the fan power, compared to the Induced-Draught Counterflow design by around 10-20% on average, it consumes less pump energy, as it utilises less design head on the condenser pump. That is the case, because there is no pressure across the water spray nozzles design in a Crossflow system, relying as it does instead on the gravity flow design. The Counterflow, on the other hand, relies on a pressurised water spray nozzles system and so uses more pump head power on the condenser pump design.
lower noise. Also, a Forced-Draught Cooling Tower is more prone to ‘recirculation’ issues of used saturated air, which would negatively affect the performance of the cooling tower due to the lower-speed discharge of the air flow compared to the higher-speed discharge for the air inlet flow (which is the opposite effect in the Induced-Draught Cooling Tower design, where the discharge speed of the airflow is typically double that of the ForcedDraught design). Air flow restrictions – if any – in the proposed cooling tower area being considered need to be, therefore, properly studied in all cooling tower designs, particularly in the Forced-Draught Cooling Tower. The other disadvantage in the case of the Forced-Draught system is that energy consumption may be 20-30% more than the Induced-Draught Tower design.
FORCED-DRAUGHT COOLING TOWER
CLOSED-CIRCUIT FLUID COOLERS
This type of tower design is normally preferred when the client has an extremely low-noise requirement or wishes to conceal the cooling tower from view by installing it on the mechanical floor and duct in the air flow to the tower and duct out the effluent discharge air from the tower. It may be that the client wishes to use the roof of the building for other purposes than an HVAC installation, such as having a swimming pool or a penthouse, which means the need for a quiet area that is also free of visual pollution. The Forced-Draught Cooling Tower also has only one air inlet, which also may have its advantages in a space-restricted area for some specific designs, where air flow may be restricted to one side air entry only. The downside of a Forced-Draught Cooling Tower design is that the initial cost is higher and may be 20-30% more than the Induced-Draught Cooling Tower design; and it could go up to double the price in case the client wishes to add sound attenuation on the air inlet and outlet of the tower design for
The Closed-Circuit Fluid Cooler design has been drafted into the initial project designs for its water-savings advantage but has normally been rejected once the pricing has been declared. Indeed, the pricing normally is at 2-3 times the total cost of a normal OpenCircuit Cooling Tower design, persuading most clients to move away from it. It still has its market, though, in the industrial sector, where the process fluid is required to be clean and free of any contaminants. Its other major advantage is in situations where water availability is scarce, and where the Delta T of the daytime and nighttime ambient temperatures, and
summer and winter variance temperatures are large enough. This cooling tower type is not the optimum design for the GCC region; it would be better suited for cold countries with fewer water resources, whereby clients may rely on ‘free cooling’ in the wintertime by switching off the water flow in the fluid cooler and rely on sensible cooling heat transfer, instead.
HYBRID COOLING TOWERS The advantage of this cooling tower would again manifest most in colder climes, where the warm plume discharge from the cooling tower condenses and would look like thick smoke, giving the impression of visual pollution or, worse, as a signal to summon the fire brigade. In the GCC region, however, the plume discharge of the cooling tower would be hardly visible, so that’s the least of the concerns. However, the cost of the cooling tower is forbiddingly high, much like the Closed-Circuit Cooling Towers and, therefore, does not usually warrant serious consideration, based on the cost of most projects in the region.
SO, WHAT DOES THE INDUSTRY PREFER? Around the year 2000, which represented the early days of the rise in demand for cooling towers in the GCC region, the industry preferred the use of the Induced-Draught Crossflow design. However, in the past 5-10 years, there has been a noticeable shift in trend towards Induced-Draught Counterflow design. The reason for this is that though Crossflow systems are easier to maintain, Counterflow systems offer much by way of design and practical operation perspectives. Crossflow systems have the complete PVC Fill Air inlet/ PVC Fill exposed to the ambient air on both sides of the tower, with all the sand and sediments from the air thereby entering into the cooling tower. Over time, the sediments would typically scale the cooling tower inlet and PVC Fill, thus necessitating much more regular cleaning of the tower; and if not properly cleaned, the scaling would reduce the heat transfer efficiency of the cooling tower and require expensive replacement in a shorter duration of time. The Counterflow system, on the other hand, has the PVC Fill situated inside the cooling tower body. And through the inherent design of the Counterflow system, the PVC Fill is continuously being self-washed while the cooling tower is in operation. Therefore, it is viewed as being more protected from scaling in comparison to the Crossflow
January 2020
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UTILITY VALUE SERIES PRODUCED BY
OFFICIAL PUBLICATION
4th EDITION 06 April 2020 | Abu Dhabi, UAE
OVERVIEW The grand objective of DC Dialogue is to develop a deeper understanding of areas of current relevance in District Cooling that have a significant and long-term impact on the MENA region’s energy security and economic wellbeing. The conference looks at broad policies as well as granular measures that help the region meet its air conditioning needs in a manner that is conducive to the economy and the environment. The conference aims to train the spotlight on issues that need more attention than they have perhaps garnered, with the objective of helping the air conditioning industry go further along the sophisticated path it has set out for itself. The Abu Dhabi event represents the first of a two-leg exercise, with the second to take place in December 2020 in Cairo.
SPEAKERS (so far)
Raed Al Ahmed Deputy CEO, Emicool
George Berbari CEO, DC PRO Engineering
Timothy McLaren Senior Commercial Contracts Engineer, Ramboll
Eid Mohammed Senior Mechanical Engineer, UAE Ministry of Infrastructure Development
Hassan Younes Director & Partner, Griffin Consultants; President, ASHRAE Falcon Chapter
www.dcdialogue.com January 2020 FOR SPONSORSHIP OPPORTUNITIES, CONTACT: advertising@cpi-industry.com
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system. This is not to suggest that the Counterflow cooling tower PVC Fill does not need to be periodically washed, but the intervals of cleaning are less often, and so the tower would need less shut down time for cleaning; and the PVC Fill, therefore, may last longer than in the case of the Crossflow systen by a few years, on an average.
INDUSTRIAL OR PACKAGERANGE COOLING TOWERS? Consultants and designers need to be aware that cooling tower specifications and details differ between Industrial and Package-Range types. Normally, Industrial Cooling Tower specifications, which are normally based on Induced-Draught Counterflow Towers are more quantified and detailed than the Package Range Cooling Tower specifications. Industrial Cooling Tower specifications are normally
applied only for plant room or District Cooling Tower applications, and normally start being competitive from around 5,000 USGPM per cell and above. PackageRange Cooling Towers, on the other hand, are normally used for chillers up to a capacity of 1,200 RT in single-, double- or even triple-cell configurations. PackageRange Cooling Towers normally come in factory-assembled configuration, whereas Industrial Cooling Towers always come in a field-erected materials supply regimen, where the towers are always erected at site due to their bigger sizes.
CPI Industry accepts no liability for the views or opinions expressed in this column, or for the consequences of any actions taken on the basis of the information provided here.
Locally-Assembled, Major Components European-Made Hot Water Producing Equipment A) PRODUCT/EQUIPMENT: (Brand: JNK-UAE) ● Electrical water heaters (500 liters to >10,000 liters) ● Calorifiers with built in coil / tube bundles ● LPG - storage type Boiler (LPG, Diesel or Dual) ● Water heater + External Plate heat exchanger (Thermal Solar Application) ● Condensing type Boilers
Stainless steel 316L electrical water heater
Stainless steel 316L uninsulated calorifier with tube bundles & electrical elements
B) PRODUCT FEATURES: ● ● ● ●
Origin Components Storage capacity Material of vessel
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● Insulation ● Cladding
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C) WARRANTY
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D) STOCK
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E) AFTERSALES & AMC F) SPARES G) APPLICATION
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Locally assembled units Vessel imported from Europe 500 liters to >10,000 liters/piece Stainless steel 316L & above grade (from Europe) W. P. 6.0 to 20.0 bar & T. P. 9.0 to 30 bar 4.0kW to >200kW (+220~400V / 50~60Hz / 1~3PH) (Dry as well as immersion type from Europe.) Rock wool or as per client's request (UAE) Stainless steel 316L or as per client's request (UAE) Locally assembled complying with DEWA or as per local authority Locally procured (UAE) Germs killing immersed device, antistratification pump, PHE compatibility, antivacuum valves, non-sacrificial electronic anode, external level indicator etc. Vessel with built in spiral or tube bundle or external PHE/HX. 5 years for vessel & 1 year for electrical item from commissioning date. 1,000 liters to 3,000 liters ex-stock (UAE) prior to sale. Professional team for back up 24/7. Ex-stock in UAE. Suitable for residential & commercial buildings.
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Christian Börner and Cornelia Harmsen of Mutag BioChip™. They may be contacted at c.boerner@ mutag.de and c.harmsen@mutag.de.
THE MENACE OF
WHAT IS THE REASON FOR THAT? In the treatment of water and wastewater, the moving bed biofilm reactor technology (MBBR) has been very successfully used for decades and has become almost indispensable, depending on the field of application. Various types of carrier media are being used for the immobilisation of microorganisms within this MBBR reactors.
MICROPLASTICS The global fight against microplastics is targeting biological wastewater treatment as a source. In view of that, Christian Börner and Cornelia Harmsen elaborate on how to avert the threat in the treatment process
he term “microplastic” was used for the first time approximately 10 years ago and refers to small plastic particles with a diameter of less than five millimetres. A differentiation is made between microplastic particles that are being produced for practical usage – for
T
example, in cosmetics – and microplastics that are originating from the degradation of larger plastic products, namely plastic waste. Needless to say, microplastics do not stop when it comes to water and wastewater treatment plants and the pollution of the aquatic environment and water cycles in aquaculture is increasingly being discussed.
■ Figure 1: Foam-type carrier… virgin material (left) and abraded material (right)
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January 2020
Now, it is found and under due consideration that the application of those plastic elements (biofilm carriers) leads to a pollution of the waterbody by microplastics, whereas in fact, the intended purpose of the plants is water purification. What is the reason for that? Can this risk be avoided in order to maintain this important technology? In MBBR systems, plastic carriers have always been used. Due to their geometry or material characteristics, they may release microplastics through abrasion or wear, respectively. A particularly high level of wear has been repeatedly found with soft foam cubes made of PU (polyurethane), which had to be replaced with new material due to such like signs of wear.
■ Figure 2: Carriers damaged by too high kinetic energy
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The wear is caused by abrasion (Figure 1), by contact/collision with one another (Figure 2) or by collision with tank walls or tank-internal installations. Besides the material characteristics of the carrier, the kinetic energy plays a major role. The kinetic energy indicates the energy with which a moving body collides with another body or tank wall. The basic formula is Ekin = (1/2) m V 2. Therefore, the crucial factors are the mass of a single carrier element and its kinetic energy. In order to allow for the smallest possible kinetics, a carrier should be “as light as a feather” and should be moving at low velocity within the water. The ideal case would be a free-floating carrier without movement in the water, which is, however, only possible from a theoretical point of view. Yet, by the water flow itself and by aeration, if any, the carrier media is being moved.
One affecting factor is the “mass” of the body, which is, amongst others, influenced by its geometry. For example, it has been found with hollow bodies – tube-shaped; helical carrier – that inactive biofilms from dead biomass can be formed within the internal space, which affects the mass of the body. As a consequence, this mass cannot participate in the further exchange of substances and the metabolism. The dead biomass in the internal space of the hollow body is, thus, unnecessarily increasing the mass or weight of the latter, respectively, resulting in an increased level of wear. The thereby occurring abrasion can be added to the term of microplastics. The figures, above and below, show various carrier elements at certain levels of wear due to abrasion.
■ Figure 3: Carrier with signs of abrasion
■ Figure 4: For comparison… clogged carrier (left) & chip-type carrier (right)
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MBBR CARRIER MEDIA FOR AN ENVIRONMENTALLY FRIENDLY FUTURE Contrary to the various hollow bodies or foam cubes, a thin, chip-type carrier shows no abrasion. This fact has been proven in numerous reference plants with more than 10 years of operation. The reasons are complex but logically comprehensible. At first, a chip-type carrier has a very low tare weight due to its solid HDPE foam structure. Its outer protective ring acts like an elastic buffer or crumple zone. Due to the thickness of approximately 1.1 mm, active biomass can establish on both sides and is supplied with substrate and oxygen due to the optimal diffusion depth. The chip is not loaded with dead biomass and, thus, the kinetic energy is very low. Due to its geometry and movement characteristics, the chip is moving at a very low velocity, which essentially uses the low kinetic energy to its further advantage through the calculation v2 (squaring of the velocity). Heavy, large bodies move at a higher velocity. The chip is being “lubricated” all around its surface by the biofilm, which provides sufficient protection for the carrier body. As known from lubricated slide bearings, the lubrication film does not cause any abrasion. Hence, such-like carriers cannot cause environmental pollution in the form of microplastics, and they continue to contribute to environmental protection by their high efficiency.
CPI Industry accepts no liability for the views or opinions expressed in this column, or for the consequences of any actions taken on the basis of the information provided here.
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Co-located event:
IT in HVAC 4th edition
Showcasing the best of digital solutions for the building industry
How Digital Dubai can resolve disputes, smoothen stakeholder engagement
15 September 2020, Dubai, UAE The Client, Consultant, Contractor Conference builds on past editions and follows an iterative process in ensuring the narrative is moved closer than ever to resolving outstanding issues.
The Client Consultant Contractor Conference (4th edition) How Digital Dubai can resolve disputes, smoothen stakeholder engagement The conference will explore the digital tools available on the Dubai landscape, including cutting-edge solutions, which Dubai has welcomed as a testbed of innovation. It will speak the language of ‘dashboards’ for better monitoring and transparency and will identify touchpoints, which can give clarity to the overall market. Central to the discussions will be tools like BIM, BMS, blockchain, IoT and artificial intelligence. They will provide the context to the discussions and drive the narrative towards a set of outcomes, insights and recommendations aimed at greater energy efficiency, optimising water use and improving indoor air quality.
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IT in HVAC ‘IT in HVAC’ is a pavilion-formatted forum for digital solutions providers to showcase their products in a highly specialised conference that is viewed as compelling and attractive by a strong eco-system of general consultants & contractors, MEP consultants & contractors, project managers, architects, master developers, developers, government agencies, sectoral building owners, manufacturers, suppliers, service providers, testing & commissioning firms, legal firms and FM companies. The conference is attractive to people in such positions as Chairpersons, CIOs, CEOs, CFOs and Directors.
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ERSPECTIVE
KEEPING THE INFORMATION SUPERHIGHWAY CLEAR Air filters in data centres offer a host of solid business advantages, says Camfil
ir filters raise energy efficiency, lower energy bills and provide a healthy work environment. Statistics show that air filters can help reduce energy costs by two-fifths. Moreover, high energy efficiencyrated filters reduce the carbon footprint of the facility, and flame-retardant air filters improve fire resistance. Mission-critical computers in data centres and the cooling needed to keep them running draw enormous quantities of power. It has, for example, been estimated that data centres consume two per cent of all the electricity used in the United States, 32% of which is used by air conditioning systems. In a bid to reduce the enormous cost associated with running these facilities, in locations with a naturally cool climate facility, owners have turned to free air cooling. But, the incoming air must be purified to protect the equipment. Indeed,
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data centre customers rely on air filtration to maintain the flow of clean air as well as the secure flow of data. Particulate and gaseous contaminants pose a serious threat to this security. They can come from a range of places, including indoor sources, people entering and exiting the building and from outdoor ventilation systems. These contaminants can result in equipment downtime, complete failure or, in the worst cases, complete loss of data.
THE REASONS? Server rooms may be exposed to high corrosion levels from particulate matter or molecular gas contamination, with printed circuit boards, contacts and conductors most susceptible to damage. Other risks include obstruction of cooling air flow and deformation of surfaces and electrical impedance changes, circuit failure and burnout, with the associated fire risk. Filters help provide a healthy, safe indoor environment free from harmful air contaminants. But beware. Regardless of the type of cooling or air-handling unit (AHU)
installed in a facility, to manage pressure drop and maintain as close to peak fan efficiency as possible, it’s imperative that the choice of filters used is carefully evaluated. When you consider the number of filters needed in a system, guaranteed efficiency and total cost of ownership (TCO) are critical drivers for determining which filter is best. Indeed, low cost, coarse fibre filters can lower efficiency and raise pressure drop, resulting in increased fan energy consumption and shorter filter life. Although the upfront cost for these inferior filters may be lower, the TCO is higher. As well as operating more energy efficiently, low average pressure-drop filters allow AHUs and fans to be downsized, saving operating costs and capital costs on initial installation.
CPI Industry accepts no liability for the views or opinions expressed in this column, or for the consequences of any actions taken on the basis of the information provided here.
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10TH MIDDLE EAST COLD CHAIN FOOD SAFETY CONFERENCE 28 September 2020 Riyadh, Kingdom of Saudi Arabia
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REGIONAL NEWS
GCC region infra spend to boost 2020 non-oil GDP
Country-specific, non-oil GDP could rise from 2.4% in 2019 to 2.8% in 2020, say the organisers of Intersec, quoting industry report
By CCME Content Team
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he GCC region is ready to throw off the shackles of lower GDP growth in 2020, with spending on infrastructure forecast to boost the region’s non-oil expansion. That’s the upbeat forecast in a report by Ventures Onsite, the construction intelligence partner of Intersec, the trade fair for security, safety and fire protection, the organisers, Messe Frankfurt Middle East, said through a Press release. Intersec will run at the Dubai World Trade Centre (DWTC) from January 19 to 21 and, according to the release, is expected to feature more than 1,100 exhibitors from 50 countries. According to the report, while rising oil and gas production will likely help lift GCC region growth to 2.5% in 2020, infrastructure spending, particularly in the UAE and Kuwait, could lift country-specific, non-oil GDP from 2.4% in 2019 to 2.8% in 2020.
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The construction sector, the report said, will be in the vanguard of the GCC region’s forecasted non-oil growth. “The region’s large-scale degree of investment in infrastructure and capital projects, and anticipated tourism boom are poised to register growth for the region’s GCC construction sector,” the release quoted the authors of the report as saying. “This, in turn, along with economic diversification plans in the GCC region, is also expected to drive the fire safety systems and equipment market over the coming years.” According to the report, the GCC region’s total construction contractor awards across the building, infrastructure and energy sectors are expected to increase from USD 134,002 million in 2019 to USD 139,909 million in 2020, with the UAE and Saudi Arabia being the industry’s top two performing markets in 2020. The report predicted the UAE may increase its federal
budget by two per cent in 2020 to USD 17 billion. The forecast has led to a bullish prediction from the KPMG Annual Global Construction Survey, which points to an anticipated growth of between six and 10% in the UAE’s construction sector in 2020, the release said. “Industry leaders surveyed in the UAE are optimistic about growth prospects and are confident that technology and governance will play a significant role in the construction sector in the next five years,” the release quoted the authors of the KPMG Survey as saying. Dubai, with its bold and ongoing development plans for tourism, hospitality, entertainment and manufacturing sectors, is tipped to remain a construction and development hub and to continue to attract investment, the release said. Added to the growth mix are massive development plans in Saudi Arabia,
including the NEOM, Red Sea Project and Qiddiyah mega projects, and regionwide investment in hospitality, education, healthcare, rail, energy and airport expansion, the release said. The scale of development will transform the region into an infrastructure hotspot, the release quoted the Ventures report as saying. “Given the GCC government’s support for largescale infrastructure projects, the region is anticipated to become a hub for global infrastructure investment,” the release quoted the authors of the report as saying. According to the release, a major knock-on effect on the region’s fire safety systems and equipment market is inevitable, with Ventures Onsite predicting the commercial and hospitality sectors will be the key verticals driving growth, egged on by increasing governmental regulation and greater public requirements for efficient fire prevention. “Continued efforts to implement the ambitious vision initiatives and strengthen public infrastructure over the next decade
would spur the demand for fire safety systems and equipment in the future,” the release quoted the authors of the report as saying. “The UAE and KSA are likely to remain the top markets for construction industry investors and developers as well as the fire safety system and equipment market.” The forecasts bode well for the threeday Intersec. “With the construction industry in a growth spurt, a sharp spotlight will be placed on the fire and security systems required in today’s smart buildings and the expectations of visitors and residents in the smart cities now on GCC government agendas,” said Andreas Rex, Show Director, Messe Frankfurt Middle East. “Across the region, there is heightened awareness of the need to deliver to world-class standards to realise national development visions.” At the same time, as the region looks to further its footprint on the international events and tourism
landscapes, the highest security and safety standards are vital to ensuring national reputations, the release quoted Messe Frankfurt as saying. “There’s a growing demand within the regional industry now for knowledge on the very latest techniques and technology which will help ring fence risks and reputations,” Rex said. According to the release, Intersec has stepped into plugging the knowledge-gap with a packed agenda of conferences, workshops, roundtables and live demonstrations. The event will also feature the probing Intersec Arena, Future Security Summit and Intersec Fire Conference, where industry experts will analyse critical security threats and how cutting-edge technologies can be tailored to meet them and the key aspects of today’s integrated fire engineering sector.
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January 2020
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REGIONAL NEWS
Daikin opens Air Conditioning Solution Plaza in Oman
H.H. Sayyid Tariq Bin Shabib Al Said inaugurates the first-of-its-kind regional facility, which aims to help customers learn more about the technology and the features of Daikin products By CCME Content Team
Representatives from Daikin and partner companies during the inauguration of facility
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aikin’s authorised Oman distributor, Muscat Electronics opened the GCC region’s first ‘Daikin Solution Plaza’ on December 11, 2019, the Japan-headquartered company said through a Press release. His Highness Sayyid Tariq Bin Shabib Al Said inaugurated the Plaza, which aims at helping customers learn more about Daikin's diverse portfolio of products, including the technology it uses and other features, the company said. According to the release, the facility is strategically located in Ruwi. The Plaza will also feature live demonstration of units and other activities that have been designed to give customers ready access to the right solutions for their specific needs, be it domestic, commercial or industrial, the company said. Faisal Bin Mohamed Al-Yousef, Executive Director, Muscat Electronics, said: “The country's wise leadership has mandated special focus and attention directed towards the protection of the environment. In fact, the Ministry of Environment and Climate Affairs, was established thanks to the vision of H.H. Sultan Qaboos bin Said. Without a healthy environment, we cannot benefit from the remarkable advances of science and technology. Today, sustained environment is an essential element of the prosperity indicators of the overall economy of countries.” Al-Yousef pointed out that despite the many advantages and benefits presented by modern air conditioning systems, many related environmental challenges have also emerged. These systems consume around 56% of electricity in Oman, he said. The use of these ACs have resulted in harmful emissions that affect the ozone layer and contribute to global warming, he added. He shared that the opening of the new facility proves to be both timely and strategic, as it coincides with the 40th anniversary of Muscat Electronics and the 36th year of the company's long-standing partnership with Daikin. Al-Yousef added: “Customers will learn more about the advantages and benefits to be gained from using Daikin products, like the energy-
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efficient and environment-friendly R-32 inverter split, which is known for its minimal impact on global warming and zero negative effect on the ozone layer. This inverter system is also quite cost-effective due to low energy consumption. A special test cabinet in the ‘Daikin Solution Plaza’ will provide visitors with the opportunity to see this for themselves.” According to the release, another interesting device on display is the Intelligent Manager, which controls a number of household electrical products with a single controller. It also prepares a report covering electricity consumption by calculating peak period of consumption, day and night, and in relation to different parts of the building, the company said. Also on display is the Smart VRV system and Daikin’s air-handling unit products, which can maintain air quality for standard applications and special hygienic applications, the company said. Al-Yousef lauded the Ministry of Commerce and Industry for its implementation of new guidelines and regulations covering modern devices and equipment. The move contributes to creating uniform terms and conditions of competition in the Gulf market, encouraging the sale of quality products and the implementation of the minimum EER regulations, he said. As a result, consumers will now be more empowered to choose the most appropriate product going beyond its price, by comparing energy consumption, too, he added. Yuji Miyata, Chairman and President, Daikin MEA, said: “Muscat Electronics LLC is one of our oldest distributors in the region and has been with Daikin for over three and a half decades. The company has played a big role in our growth, as it has helped grow Daikin's business. Through this new facility, customers will now be able to experience, feel, touch and see the difference and invisible values of Daikin systems. This will help end-users make better decisions, as they can pick the right air conditioning system after observing different options. We wish Muscat Electronics more success, and together we shall be the number one brand in the Omani Market.”
HVAC R Expo Saudi 2020 set to take place in February
Saudi construction boom calls for over USD 34 billion investment in HVAC R systems, says report released by dmg events – the organisers of the event – and MEED Projects
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By CCME Content Team
VAC R Expo Saudi will return for a fifth edition, from February 11 to 13 at the Riyadh International Convention & Exhibition Centre, dmg events, the organisers of the show said through a Press release. The announcement comes as opportunities for HVAC R stakeholders in the Middle East market are reportedly growing exponentially. GCC region investments in HVAC R systems over the next decade is estimated to exceed USD 68 billion in total, according to a recent report published by dmg events and MEED Projects, the release said. As for the Kingdom itself, Roni El Haddad, Event Director, HVAC R Expo Saudi, said: “On the back of a construction boom in the country, Saudi Arabia alone represents over 50% of the total needed investments for HVAC R solutions in the GCC over the next
Products on display at HVAC R EXPO Saudi 2019
A workshop in progress during HVAC R Expo Saudi 2019
10 years, with $34bn worth of systems expected to be installed in that time. “As demand increases, the market will need to develop in line with government goals such as energy conservation and smart initiatives, making it the perfect time for the local and overseas industry to gather under one roof at HVAC R Expo HVAC R EXPO Saudi 2019 Saudi.” Expecting to host over 80 exhibiting brands from around the world, HVAC R Expo Saudi, which is supported by Vineet Kashyap, Managing Director, the GCC Standardization Organization (GSO), Carrier Middle East Equipment, said: “We are is the region’s largest, three-day event, happy to participate in this annual forum, presenting a platform for HVAC R industry as KSA is a key geography for us, and we are professionals to network, do business and very committed to the segment. We get to discover new technologies, the release said. meet customers and regulators during the H.E. Saud Nasser Al Khusaibi, Secretary HVAC R Expo and explain our offerings to General, GSO, said: “The mission of GCC them, while learning from their experience of Standardization Organization (GSO) is to what they need.” unify standardization activities among According to the release, to encourage the GCC member states in order to the transferring of knowledge at the event, promote industry and to boost sustained HVAC R Expo will once again feature 30 development of the collective economy free-to-attend CPD (Continuing Professional in turn. Such activities adhere to the best Development) workshops. Running across two international practices, and contribute theatres, the workshops will be split between to the protection of the customer, the Master Class series and the Training environment and public health. Theatre sessions, the release said. “In light of this mission, GSO is The Master Class series will offer participating at HVAC R Expo 2020 a firsthand look at new solutions and to provide the Kingdom’s industry innovations in the HVAC industry, delivered professionals with an overview of the by manufacturers themselves, whereas the latest technical legislation requirements Training Theatre sessions will delve into applying to them and their field, and to the latest trends and approaches in the encourage growth and development in worldwide market, presented by consultants the HVAC R sector.” and regulators in the field. According to the release, products According to the release, the event is on display at the event will relate sponsored by Carrier (Platinum Sponsor), to climate control, air quality and Zamil Air Conditioning (Gold Sponsor), ventilation, air conditioning, refrigeration Alessa-Samsung (Gold Sponsor), Alessaand heating, building automation, and Samsung (Workshop Sponsor) and AlessaHVAC equipment and services. Industry Crafft (Official Show Catalogue Sponsor). heavyweights already signed up to exhibit The event is co-located with FM EXPO, Saudi include the likes of Carrier Middle East Clean Expo and Stone & Surface Saudi. Equipment, Zamil Air Conditioners, AlessaSamsung-Crafft, Conex Banninger and, for the first time, GreenAire, the release said.
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REGIONAL NEWS
Gulf Electrical Power Laboratories commences operations Entity announces intent to optimise power assets in the Middle East By CCME Content Team
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ulf Electrical Power Laboratories (CESI | GEPL), a state-of-theart electromechanical testing facility, has commenced its operations as a separate entity that provides localised and technical services from Saudi Arabia to the wider GCC region, the entity said through a Press release. This will be followed by the construction of the much-awaited electrical testing laboratory, poised to be the first in the region and the largest in the area, CESI |GEPL said.
Tasleem launches new range of customer services Tabreed’s utility-focused end-user metering and billing subsidiary announces expanded services, including additional customer service centres and automated services
By CCME Content Team
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January 2020
The announcement was made today at an official ceremony, held during the 9th Saudi Arabia Smart Grid Conference, in the presence of Dr Khalid bin Saleh bin Abdullah Al-Sultan, Chairman of King Abdullah City for Atomic and Renewable Energy. The conference is running from December 10 to 12 in Jeddah. CESI | GEPL, a joint venture between global technical consulting and engineering company, CESI and GCC Electrical Testing Laboratory (GCC Lab), was conceived as a call to stricter specifications of power components, compliant to the highest international standards, CESI |GEPL said. The testing platform will provide engineering and consultancy services to the MENA region from its soon-to-be-built lab in Dammam, Saudi Arabia. Services offered include: asset management, upgrading assets and maintenance procedures, training and certifications for engineers and technicians, Research and Development and Quality Assurance/Control, CESI |GEPL said.
According to the release, through strategic partnerships made with local and regional stakeholders, CESI |GEPL will be a catalyst in enhancing performance of the power systems already in place and sustain the electrical industry in the region. “The projects successfully carried out in the Gulf region have made it possible for CESI to gain a profound experience encompassing the entire area,” said Dr Matteo Codazzi, CEO, CESI. “As world leader in power testing and certification for the electricity industry, we are fully committed to providing our experience and strategic approach to establish and localize in the Kingdom of Saudi Arabia the most important electrical testing facility, fully compliant with the best quality international standards.” Added Saleh Al-Amri, GCC Lab CEO: “We aim to end the prevalence of sub-quality materials. Our venture will provide the tools to enable our stakeholders to stop flooding the industry and ensure that all power components that they use are compliant with the highest international standards. The lab will be a key asset to support the
policies that will sustain the electrical industry in the region. Localising electromechanical testing is a great milestone for Saudi, setting for Vision 2030.” With a vision to change towards renewables and diversification of power mix, Saudi Arabia remains one of the biggest energy markets in the region, CESI | GEPL said. Commenting on the privatisation of state-owned utilities and the restructuring of the power generation and electricity industry, Dr Floris Hendrikus Schulze, CESI Managing Director in the Middle East and CESI | GEPL COO, said: “We see growth opportunities and bigger need of high quality, tested power components. Change in the whole sector means increased competition and cost
savings, and as the world leader in the sector, we have an important role to play to ensure the quality of these components remain.” Mohammed Muaili, CESI | GEPL General Manager, added: “Part of our commitment to CESI | GEPL and Saudi is upscaling jobs in the country while fostering knowledge. We will be filling more than 150 technical positions for the lab, and appointees from the Gulf will be trained at the CESI facility in Milan and Germany. We envision that all services rendered by CESI |GEPL will have the same standard, as if they were performed at CESI facilities. “As part of the energy transition, a global plan for the entire area is being drafted, one that extends beyond specific,
country-by-country targets to promote an integrated strategy that can encompass a multiplicity of interventions. In this respect, Vision 2030 is an important program that has been designed to concretely affect the Saudi Kingdom. If its related intervention programs take off, in 2030 we will be looking at a decidedly different Saudi Arabia: a country that generates a greater share of its energy from solar and wind sources also investing in efficiency technologies and encouraging international collaboration. By cooperating in CESI | GEPL, we will support the policy for the creation of a really more and more effective power sector market in the Country.” According to the release, the agreement between CESI and GCC Lab to set up CESI | GEPL was made in 2017 with a term sheet signing ceremony. Mohmmed Al Muaili, CESI | GEPL Acting CEO, said: “Today marks the commencement of our technical operations here in Saudi and the GCC. We have set up a taskforce to drive the activities in all our collaborations. We look forward to carrying out advanced research and development for the electricity sector, resulting in international benchmarking studies and breakthrough technologies that can be utilized by anyone in the world.”
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Bader Al Lamki, CEO, Tabreed, said: “Our asleem, a utility-focused end-user metering customers’ satisfaction is of extreme importance to and billing management company, and a the business. To this extent, we have vigorously sought fully owned subsidiary of the National Central to expand the range of services provided by Tasleem Cooling Company (Tabreed), has introduced to offer the customers the best digital experience. additional services, allowing its customers to effortlessly Improved services, such as the deployment of new settle their monthly cooling bills, the company said through customer service centres, the mobile application and a Press release. Bader Al Lamki the enhanced online portal contribute to greater According to the release, Tasleem, established in 2015, customer satisfaction. provides Tabreed’s cooling services end-users with a “We will continue to expand our portfolio of customer-centric creative and efficient customer service experience through a wide services to provide the best-in-class services across the board, range of self-service options, including an online portal and mobile from the provision to energy-efficient and reliable cooling to app access to bills with multi-payment capabilities. transparent billing and convenient payment options.” With the increased market focus on digital services, Tasleem Commenting on the new services, Lennard Sigrist, General said it continues to expand its digital capabilities, offering a wide Manager, Tasleem, said: “Tasleem endeavours to provide range of self-services to customers. Delivering on this, Tasleem said great customer service experience by providing affordable it has launched a range of online services, including a new auto-pay smart meter solutions, allowing consumers to make informed system allowing users to effortlessly settle monthly cooling bills, decisions to alter usage and lower electricity bills, resulting in and an online ‘move in - move out’ service to provide additional more energy efficiency, and reduce carbon footprint, in addition flexibility allowing tenants to apply to this service through Tasleem to a blend of traditional (face-to-face) customer services as well website, as well as the mobile application, without having to as our online and mobile.” physically visit a kiosk.
January 2020
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REGIONAL NEWS
JCI spotlights its YZ mag-bearing centri chiller Company also showcases its Amichi series of air-cooled DC inverter scroll chillers and heat pumps at a seminar, titled ‘The Future… Today’
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By Surendar Balakrishnan | Editor
ohnson Control Middle East & Africa on December 10 formally introduced its York YZ magnetic-bearing centrifugal chiller and its Amichi series of air-cooled DC inverter scroll chillers and heat pumps at a product seminar, titled ‘The Future… Today’ in Dubai. In attendance were distributors and consultants, among other building industry disciplines. Speaking on the YZ, which comes in the 530-4,747 kW range, Christine Detz, Director – Product Management, Centrifugal Chillers at Johnson Controls, said it is the answer to “what comes after the next generation”. She went on to say that the YZ was developed by
a team of engineers with substantial experience in centrifugal technology. She characterised the YZ as optimised for ultimate performance and as facilitating a dramatically low total cost of ownership (TCO). Revealing that over 100,000 tonnes of YZ have been installed worldwide, including in North America, Latin America, China and the Middle East, she said the system has up to five per cent better performance in full-load condition and up to seven per cent better NPLV. “It is designed to maximise the performance of a low-GWP (global warming potential) refrigerant,” she said. Describing its other features, Detz said the YZ has capacity control logic; a variable-speed drive (VSD); and an OptiView Control Panel, which allows data to be connected to an analytics platform for remote monitoring. Speaking specifically on the VSD, she said that for four decades, JCI has had more VSD chillers installed than all manufacturers combined. “VSD is standard in YZ,” she said. “It allows us amazing part-load efficiencies.” Further describing the YZ, Detz said it has an optimised compressor; a high-speed hermetic induction motor; and a falling film evaporator, which reduces refrigerant charge by up to 60% and also reduces the evaporator shell size by up to 20%. The YZ, she said, has an entering condenser water temperature as low as 40F/4.5C, and a full condenser flow at all load points. Further, she said, the YZ is efficient at temperatures and load values well below the design point, and not only at its design point. All these features, she said, ensure that the YZ exceeds industry standards. “It has 12% and 54% better full-load and part-load performance, respectively,” she said, pointing out that the numbers exceed the requirements of Dubai’s Al Sa’fat Green Building regulations.
Empower pilots unmanned district cooling plant
Facility, which utility says, is the first of its kind in the world, cost AED 250 million to build and has an output capacity of 50,000 tonnes of refrigeration
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By CCME Content Team
mirates Central Cooling Systems Corporation (Empower) has commenced pilot operation of the world's first unmanned cooling plant at Jumeirah Village Circle in Dubai, with a total cooling capacity of 50,000 refrigerated tonnes (RT), the utility said through a Press release.
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She said the YZ offers up to 21% annual energy savings versus traditional, fixed-speed, oil-bearing chillers. It also offers up to 12% savings versus variable-speed, oil-bearing chillers, she said. “The YZ gives real-world efficiency, considering chillers operate in off-design conditions up to 99% of the time,” she said. Speaking on the TCO, Detz said the YZ boasts a single moving assembly suspended in a magnetic field with no lubrication system. It has 80% fewer moving parts, which she added, makes it easier to maintain. “All centrifugal systems require some form of scheduling, and the need for checking the refrigerant levels and for cleaning the tubes,” she said. “The YZ offers lifetime savings on driveline maintenance. You have no motor-bearing teardowns, no filter changes, no lubrication system maintenance.” The YZ, she further said, has a smart connected feature, which means operating and trend data are accessible anywhere, anytime. “So, the YZ offers a 65% improvement in Mean Time to repair,” she said. Saying that TEWI (total environmental warming impact), which takes into account the measurement of the chiller’s direct and indirect emissions, is the most comprehensive benchmark for measuring the environmental impact of a chiller, Detz added that the operation of the YZ results in direct emissions that are less than five per cent of the total greenhouse gas emissions. Likewise, it results in indirect emissions that are less than 95% of the total greenhouse gas emissions, she further added. After Detz, Brian Smith, Global Marketing Director, JCI, gave a presentation on refrigerant selection. Saying that energy efficiency is the dominant environmental impact over the life of equipment,
he added that refrigerant choice cannot be at the cost of efficiency. “We have a much greater opportunity to address the CO2 (84%) emissions than HFCs, which account for two per cent,” he said. “CO2 is the dominant greenhouse gas from HVAC&R. If we switch the refrigerant, and that is going to take us in the wrong direction of efficiency, we (JCI) are not going down that road. One per cent improvement in chiller efficiency offsets 60% of the potential lifetime emissions.” Smith said three factors reduce the total carbon footprint of an HVAC equipment design. The first is to specify or buy high-efficiency chiller equipment and systems. The second factor, he said, is to maintain equipment for ultimate performance and leak prevention. And the third factor, he said, is to use sustainable product options to minimise net CO2 emissions. Smith, then, spoke on the Amichi Series, which he said is the result of over 250,000 years of cumulative York water-cooled screw chiller field experience. The Amichi, he said, has U-shaped RTPF condenser coils – patented JCI design with smaller surface area. The Amichi series, he said, features brazed plate heat exchangers and inverter drive compressors. The Amichi, he added, is Optiview LT- and Verasys-compatible. The Amichi, he highlighted, also features Victualic groove, couplings and wye-strainer. “Also, water connections are easily accessible with extensions to the edge of the unit, he said. The Amichi, he said, constitutes an innovative technology and comes with a best-in-class performance of 6.68 at full-load conditions and an IPLV of 11.83 IPLV.
Empower explained through Empower also announced the release that the highest that the plant will be international standards have been connected to its centralised maintained in the construction intelligent Command and building design of the new Control Center (CCC), which plant, as it took into account is operating on advanced the criteria of sustainable green SCADA system, which provides Ahmad Bin Shafar buildings and modern urban the ability to read more development in Dubai, as well as than one million data entries the general appearance of the district and from cooling towers about coolers, the external appearance of the buildings. transformers and water supplies. The utility indicated that the plant Ahmad Bin Shafar, CEO, Empower, leverages with the latest technologies in said: “The significant and continuous district cooling systems and uses artificial expansion of Empower in terms of district intelligence to monitor and adjust the cooling services and the construction water flow to and from the cooling plant, of new cooling plants is part of the via Thermal Energy Storage (TES), which infrastructure development strategy helps to reduce the burden on the grid aimed at keeping pace with the real during peak hours. Moreover, the plant is estate and industrial boom in Dubai. able to accept Treated Sewage Effluent “Leveraging artificial intelligence in (TSE) technology, which the utility said, the district cooling sector helps to lower aids in conserving natural resources. annual operating costs and enhance
the efficiency of facilities. The new plant in JVC is the first in a series of unmanned operating plants that we are preparing to develop with the aim of achieving the greatest energy savings, as well as keeping pace with the growing demand for eco-friendly cooling services that are playing a crucial role in combating climate change. This stems from our belief in the importance of contributing to maintaining a safe and healthy environment for future generations.” Empower made the announcement about awarding the AED 250 million contract to build the plant in December 2018, as part of expanding its operations by increasing the number of district cooling plants across Dubai and serving the highest possible number of large-scale developments.
January 2020
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REGIONAL NEWS
Ras Al Khaimah Municipality offers patronage to MEBAM 2020 Director General and other senior officials from the Municipality confirm their participation as speakers in region’s first dedicated Building Asset Management conference
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By CCME Content Team
as Al Khaimah Municipality has offered its patronage to the 1st Annual Middle East Building Asset Management Conference (MEBAM), on February 24, 2020, in the emirate of Ras Al Khaimah. H.E. Munther Mohammed bin Shekar, H.E. Munther Director General, Ras Al Khaimah Mohammed bin Shekar Municipality, will be giving the Keynote Address on the topic, “The energy vision of Ras Al Khaimah, and a role for smart buildings”. Organised by CPI Industry, publishers of Climate Control Middle East magazine, the conference will host other senior officials from the Municipality. Andrea Di Gregorio, Director, Energy Efficiency and Renewables Administration, Ras Al Khaimah Municipality, will be giving the Plenary Address, titled “Ras Al Khaimah Municipality’s Energy Efficiency and Renewables (EE&R) Strategy 2040, and the digital scope of improving building performance across the entire portfolio of existing buildings and new construction in the Emirate”. Henrique Pereira, Senior Manager – Energy Services, Energy Efficiency and Renewables Administration, Ras Al Khaimah Municipality, will be among the key participants in a Plenary Discussion that will aim to understand the challenges and benefits of making the shift to IoT- and AI-based solutions in Ras Al Khaimah. The discussion
Andrea Di Gregorio
Henrique Pereira
will also endeavour to ascertain key expectations developers, FM professionals, ESCOs, EACOs, consultants and contractors have out of digital solutions providers. “As CPI Industry, we are naturally delighted by the strong show of support from Ras Al Khaimah Municipality,” said Surendar Balakrishnan, Co-Founder & Editorial Director, CPI Industry. “The emirate’s intent in searching for cutting-edge strategies and solutions towards a digital landscape is fantastic news for global efforts at improving building performance in terms of reliability, energy efficiency and water efficiency." The conference, to be chaired by Sougata Nandi, CEO, 3e Advisory, is expected to attract a strong contingent of diverse stakeholders eager to benefit from IoT- and AI-based solutions. Besides discussions, the event will foster structured, businessenabling networking sessions and live demonstrations aimed at persuading a hastening of efforts towards a digital future.
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REGIONAL NEWS
2019 a watershed year for Renewable Energy in the UAE
The commissioning of the world’s largest single-site photovoltaic (PV) solar plant – the 1.17 GW Sweihan independent power project (IPP) in Abu Dhabi, and Dubai arriving at a financial deal for a USD 4.3 billion concentrated solar power (CSP) project, the largest single-site power investment project in the world, represent significant milestones, Informa, the organiser of Middle East Energy, says By CCME Content Team
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he Middle East’s energy and utilities sector is undergoing an unprecedented transformation, with the shift towards renewable energy and digital innovation at the heart of ambitious energy diversification programmes, Informa Markets, organiser of Middle East Energy (the new name of Middle East Electricity), said, adding that as governments seek to increase energy security and maximise returns from hydrocarbon resources, utilities are pressing ahead with some of the largest renewable energy schemes in the world. Held under the patronage of H.H. Sheikh Maktoum Bin Mohammed Bin Rashid Al Maktoum, Deputy Ruler of Dubai, and hosted by the UAE Ministry of
Energy & Industry, Middle East Energy will run from March 3 to 5, 2020 at the Dubai World Trade Centre. According to the release, a number of milestones in the push for clean energy across the region were reached in 2019, including the commissioning of the world’s largest single-site photovoltaic (PV) solar plant – the 1.17 GW Sweihan independent power project (IPP) in Abu Dhabi. Shortly after the commissioning of the Sweihan plant in March, neighbouring emirate, Dubai reached a financial closure for a USD 4.3 billion concentrated solar power (CSP) project, the largest single-site power investment project in the world, Informa said. The drive to integrate alternative energy resources into utilities networks is set to
IT in HVAC
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THE ANNUAL MIDDLE EA ST
CONFERENCE
accelerate in 2020, as governments seek to meet the rising demand for power, Informa said. Rapid population growth, combined with ambitious industrial and economic expansion programmes, is resulting in growing need for power, with demand for electricity in the Middle East forecasted to triple by 2050, Informa said, and quoted Energy & Utilities as estimating that installed power generation capacity will be required to increase 35% by 2025 just to meet rising demand. REDUCING COSTS AND EMISSIONS With the production of electricity across the region having been predominantly fuelled by oil and gas since the 1970s, utilities are seeking to diversify fuel sources for power
GROWING OPPORTUNITIES According to data from the International Renewable Energy Agency (Irena), 167 GW of renewable energy capacity was installed globally in 2017, accounting for 61% of additional power capacity installed, Informa said. This was more than double the capacity of new fossil fuel plants, which amounted to 27%, Informa added. While the percentage of clean energy installed in the Middle East has, to date, been more modest, with installed solar and wind accounting for 2,350 MW and 434 MW, respectively of the region’s energy in 2017, regional utilities are pressing ahead with some of the largest clean energy programmes in the world, Informa said. Informa quoted Energy & Utilities as estimating that USD 100 billion worth of clean energy projects are currently in the project pipeline, with total investment in clean energy to exceed USD 300 billion
by 2050, if the region’s utilities are to meet their ambitious targets. Saudi Arabia’s target to install 58.7 GW of renewable energy by 2030 will offer some of the most exciting opportunities for regional and international investors and energy firms, Informa said. The Kingdom’s Renewable Project Development Office (REPDO) is planning to launch tenders for the 1.6 GW third round of its National Renewable Energy Programme (NREP) by the end of 2019, Informa said, as of the time of posting this article, on December 16. The UAE will remain a focal point of the clean energy transition, having set a target of 50% of its energy to be produced by carbon-free sources by 2050, Informa said. Following the submission of bids in November for the planned 2 GW Dhafra solar IPP in Abu Dhabi, the emirate is already working on plans for its next major solar project, PV 3, which is planned to yield 1.5 GW - 2 GW, Informa said. In Dubai, a consortium led by Saudi Arabia’s Acwa Power submitted a worldrecord-low tariff of 1.695 US cents a kilowatt hour ($c/kWh) for the fifth phase
of the Mohammed bin Rashid (MBR) solar development in October, Informa said. With Dubai having set an even more ambitious target of 75% clean energy by 2050, the emirate will remain a key driver of renewables deployment across the region, Informa said. The push to integrate renewables into the region’s energy sector will form a key part of Middle East Energy, Informa said, adding that clean energy will have its own dedicated track at the event. Gareth Rapley, Group Director, Industrial, Informa Markets, said renewable energy is no longer just a concept but set to take centrestage at the event. “Driven by well-designed auctions, favourable financing conditions and declining technology costs, renewables are being brought into the mainstream,” Rapley said. “Based on the renewables targets already in place, the region, led by the UAE, could save 354 million barrels of oil, which is equivalent to a 23% reduction, cut the power sector’s carbon dioxide emissions by 22% and slash water withdrawal in the power sector by 17% by 2030.”
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generation, with renewables at the core of diversification plans, Informa said. While the global targets agreed for reducing carbon emissions at COP 21 in Paris in December 2015 grabbed global headlines, the push for renewables is being facilitated by economics, Informa said. The drive for clean energy is being driven by the sharp drop in the cost of solar and wind power technologies, with the cost of installing PV solar and wind having fallen by 73% and 80%, respectively since 2010, Informa added. Much of the fall in the cost of delivering utility-scale renewables plants is being driven by Middle East and North African utilities, with the UAE, Saudi Arabia and Egypt all having set records for solar and wind power tariffs since 2015, Informa said.
DUBAI
WELLNESS FAIR
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REGIONAL NEWS
Tabreed increases its stake in Saudi Tabreed to 28% Saudi Tabreed commissions the 20,000 RT King Khalid International Airport plant
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By CCME Content Team
he National Central Cooling Company (Tabreed) has acquired an additional eight per cent stake in Saudi Tabreed, its district cooling investment vehicle in Saudi Arabia, held jointly by Vision Invest (formerly ACWA Holding), IDB Infrastructure Fund II of the Public Investment Fund of Saudi Arabia and others, bringing its ownership up to 28%. Khaled Al Qubaisi, Tabreed’s Chairman, said: “This acquisition underscores our commitment to supporting and fulfilling the current and future infrastructure needs of large-scale developments throughout the Middle East and further cements our position as a leading international district cooling developer. Within Saudi Arabia, district cooling is becoming a vital part of complex urban infrastructure developments, and we are pleased to be able to support the achievement of Saudi Vision 2030. “Saudi Tabreed currently provides and operates 187,000 RT of cooling to projects, including Jabal Omar Development, in Mecca; ARAMCO in Dhahran and King Abdullah Financial District. With the rapid growth and urbanization of the largest market in the GCC, Tabreed’s acquisition of an additional stake in Saudi Tabreed amounting to SAR 129 million
Khansaheb highlights impact of enhanced IAQ on worker productivity Company official highlights contribution of Oxycom’s evaporative cooling technology By Hannah Jo Uy | Assistant Editor
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Khaled Al Qubaisi
Bader Al Lamki
will further enhance its ability to capitalize on new business opportunities.” In line with the Saudi Vision 2030 and its strategic objectives of developing a vibrant society, thriving economy and ambitious nation, Saudi Tabreed works with the public sector through long term Build-Operate-Own-Transfer frameworks to optimise energy consumption by providing innovative district cooling solutions, Tabreed said. Delivering on this, Saudi Tabreed announced the commissioning of the district cooling plant at the King Khalid International Airport phase 1 in Riyadh with a total capacity of 20,000 RT, serving terminals 1 to 4 on exclusive basis, Tabreed revealed through a Press release. Bader Al Lamki, Tabreed’s Chief Executive Officer, said: “We are delighted
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to contribute to our affiliate’s continued growth within the Kingdom by increasing our stake to 28%. The concession of 20,000 RT demonstrates our commitment to the Saudi market, where, as published in the Global Market Insight Inc., district cooling is set to exceed USD 1 billion by the next five years. “Tabreed is enabling businesses in the Kingdom of Saudi Arabia to enhance their energy efficiency, reduce costs and meet their sustainability objectives by integrating advanced technology, operational excellence and the latest innovation in district cooling into its solutions.” According to the release, Saudi Tabreed has formed multiple joint venture companies in partnership with regional and local players. Its subsidiaries and project companies include Saudi Dhahran District Cooling Company (SDCC), Central District Cooling Company (CDCC) and the Operation and Maintenance for District Cooling Systems (STOM), the release said. Current contracted projects, the release added, include Saudi Aramco, Jabal Omar Development Project in the Holy City of Mecca, King Abdullah Financial District and the King Khalid International Airport.
workforce that is comfortable is going to be more productive,” said Paul Groves, Business Development Manager, Khansaheb Industries, while discussing the company’s initiative of investing in improving the indoor air quality (IAQ) of its new Dubai facility. “This environment is especially difficult, because it’s almost open air,” he said. “The only way you can cool the space is through Paul Groves evaporative cooling.” In line with this, Groves said the company opted for Oxycom’s IntrCooll Indirect/Direct evaporative cooling and IntrCooll Plus Design Airflow. Groves reported that worker productivity has increased by up to 40-50% following the move from the previous factory to the new facility. Groves said that productivity is especially crucial for a company like Khansaheb, considering Spiralite is a specialised product. “Productivity is important, and it has an impact on our cost, which makes us more competitive,” he said. “You also have less staff turnover, which means there is no need to retrain.” Groves added that there is a need to educate private companies on the benefits of investing in improving IAQ. “I don’t think a lot of companies have it as a high priority,” he said, “and maybe part of the reason is because they don’t know there is a way of doing well.”
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REGIONAL NEWS
Carrier to showcase VRF technology in Saudi Arabia HVAC R Expo 2020 Company official outlines features of the product
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By Hannah Jo Uy | Assistant Editor
arrier is set to highlight its variable refrigerant flow (VRF) Xpower technology during Vineet Kashyap its participation in HVAC R Expo Saudi Arabia 2020, said Vineet Kashyap, Managing Director, Carrier Middle East, who added that the product is ideal for the local market. Kashyap said the technology circulates the minimum amount of refrigerant needed for each individual zone to satisfy building load. “Since there are no ducts, this eliminates the energy waste associated with the duct loss,” he said. “A single outdoor VRF condenser can power up to 64 independent indoor units, depending on the system.” Kashyap added that Carrier offers Xpower VRF solutions with the mini-VRF, ranging from 4HP to 6HP and top discharge VRF, ranging from 8HP to
20HP, having a combination of up to 56HP. Further outlining features of the company’s technology, Kashyap said the unit incorporates a DC twin-rotary compressor with diamond-like carbon (DLC) protection coating on the compressor’s vane. Kashyap also explained that the Xpower’s top discharge outdoor units have two compressors each and are operated in variable patterns to ensure equal run time on all compressors and also deliver most efficient operation between 30 and 80% loads, which increases the compressor reliability and also enables operation, if one compressor is removed. Kashyap added that the product’s Infinity Variable Control has the ability to adjust the compressor rotational speed in 0.1 Hz steps. He said the new three-row heat exchanger design, with 7mm tubes, also increases the total number of passes and improves both system performance and efficiency.“
Gerab calls for greater adoption of efficient HVACR systems
Company official highlights untapped energy-saving potential of MEP equipment and need for a holistic approach
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By Hannah Jo Uy | Assistant Editor
here is massive energy saving potential that can be achieved from integrating quality HVAC and lighting equipment across the built-environment, said Ram Kodali, Business Development Manager, Gerab Energy Systems, who highlighted the need for greater adoption of such solutions. He said that with these systems placing the highest burden on the GCC region’s energy grid, a more proactive and holistic move towards demand-side management is vital, with many countries, such as the UAE, moving towards a diverse renewable energy mix and with solar poised to be the future. “I see good opportunity to improvise and do more innovative solutions in the future for both new and retrofit projects,” he said.
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Top discharge condensing units have a four-sided heat exchanger design to ensure maximum air flow rate across the entire coil,” he said “The three-way variable heat exchanger design allows the CDU to select the most efficient heat exchanger size, which precisely matches the indoor capacity load.” Lastly, Kashyap said the outdoor fan is driven by a DC inverter variable-speed motor, totally enclosed with permanently lubricated bearings. “Every blade of fan is designed with a unique profile inspired by reverse-arc-shaped wings, a solution that guarantees a smoother airflow without turbulences and is made of noncorrosive type material, styrene-acrylonitrile co-polymer, including glass,” he said. Kashyap added that the entire system can be run from a central location or monitored remotely, making it perfect for diverse applications with a range of heating and cooling needs.
Kodali emphasised that stakeholders must not forget that air conditioning and lighting accounts for 60-65% of the energy consumption of a typical 20- or 30-floor commercial or residential project, with other components Ram Kodali coming from motors and lifts having only minimal impact. “If in a given project, we are able to reduce 65% to 30%, that’s a huge contribution,” he said. Kodali added that it is important to look at a building holistically and not only stop at addressing one aspect. “These lights, when you consume them, also radiate a certain amount of heat into the air,” he said, adding that inefficient lighting can also lead to greater requirement for cooling. As such, he said, Gerab recommends for building owners to switch to LED, which offers the same output at 120 watts compared to the 400-watt consumption of traditional systems. Kodali also emphasised sustainability should be at the forefront of every company philosophy. He said, “We are selling a technology, but we also have to keep in mind the importance of contributing to reduce the carbon footprint to enable us to reduce global warming, enable us to survive and keep the planet safe.”
Canada’s National Show for the HVACR and Plumbing Industries
METRO TORONTO CONVENTION CENTRE
March 25 - 27, 2020 cmpxshow.ca
January 2020
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REGIONAL NEWS
Empower awarded contracts totalling AED 1,130 billion in 2019 Utility says it did so in response to the growing demand for district cooling services
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By CCME Content Team
of its development strategy, the company has also mirates Central Cooling Systems Corporation completed the designs for its Business Bay 4, Business (Empower) awarded contracts with a total Bay 5 and Business Bay 6 plants. value of AED 1,130 billion in 2019 to various As for the expansion of the cooling services companies as part of the development network, Empower said it has awarded several of district cooling infrastructure in Dubai, the utility contracts valued at more than AED 186 million across said through a Press release. The contracts included its different plants in Dubai, such as Dubai Production engineering consultancy, plant and other constructions, Ahmad Bin Shafar City and Sheikh Zayed Road to serve the Dubai Arena, design and operation of cooling plants, expansion Al Wasl Tower, Yotel Hotel, The Address Hotel, the One of district cooling pipe network, development of JBR Tower in Jumeirah Beach Residence as well as Barsha Heights new networks to serve the latest projects in Dubai, as well as and Dubai Studio City. the establishment of new energy transfer stations and the Additionally, Empower said it has signed a deal with Trane procurement of pipes and fittings and more, the utility said. Commercial to supply eco-friendly district cooling equipment with According to the release, this substantial increase in the a capacity of 110,000 RT, to be used in its projects in Tecom C, company's contracting activity during 2019 reflects the growing Dubai World Trade Centre Residences, Dubai Production City and demand for eco-friendly district cooling services, which helps Jumeirah Beach Hotel. to reduce carbon emissions and combat climate change, in Ahmad Bin Shafar, CEO of Empower, said: “Empower has addition to the widespread awareness with regard to the witnessed an excessive growth and success as a result of the importance of maintaining a healthy and safe environment for increased demand for district cooling services, in line with the future generations. company’s ambitious plans and strategies and its commitment In 2020, the boom in Dubai's real estate sector is set to towards the national strategies aimed at shifting to a green increase the demand for the company's district cooling services, economy. the utility said. Empower expects an increase in number “We are aware of the demand for district cooling services, of customers and contracts, as well as completion of the and we have clear, precise plans and great capabilities to meet construction of its new district cooling plants and expansion of the future needs, especially in mega projects across Dubai. In the district cooling pipe network. 2020, we will award new contracts for the construction, design Moreover, Empower said, it has signed a contract to construct and operation of new plants, expansion of the pipe network and its new AED 280 million headquarters in Al Jaddaf, Dubai, which innovation of advanced technologies for district cooling sector. is expected to be completed in Q1 of 2021. The utility said it In my opinion, the next stage will see a further demand for has also awarded a contract for the construction of an AED district cooling services to cater for the existing and new projects 197 million district cooling plant for Dubai Production City with throughout the emirate.” a total capacity of 47,000 RT (refrigeration tonnes). As part
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HVAC-R EGYPT EXPO - ASHRAE
CAIRO
5 th International Exhibition & Conference for Heating, Ventilation, Air Conditioning, Refrigeration, Thermal Insulation & Energy
6- 7- 8 April 2020
Heating
Ventilation
Egypt International Exhibition Center New Cairo - Egypt
Air Conditioning
Refrigeration
Thermal Insulation
Energy
w w w.hvacregypt.com info@hvacregypt.com H VAC R . E g y p t +2 012 750 160 33 +2 0100 75 00 966
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January 2020
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REGIONAL NEWS
Empower commissions Barsha Heights DCP
Facility, built at a cost of AED 169 million, has a total capacity of 31,250 refrigeration tonnes, says Dubai-headquartered district cooling utility
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By CCME Content Team
mirates Central Cooling Systems Corporation (Empower) concluded the year 2019 with the commissioning of a new district cooling plant in Barsha Heights, the utility said through a Press release. The facility, built at a cost AED 169 million, has a total capacity of 31,250 refrigeration tonnes (RT), the utility added. According to the release, the construction contract was awarded in December 2018, as part of the utility’s plans to develop its infrastructure, improve district cooling services and to increase the operational efficiency across its district cooling plants. The new state-of-the-art district cooling plant in Barsha Heights will replace the three temporary plants currently operating in the area, the utility said. Empower explained that the new plant is designed according to the highest international standards in terms of construction and building design, as it took
into account the criteria of sustainable green buildings and modern urban development in Dubai, as well as the general appearance Ahmad Bin Shafar and the external appearance of the buildings in the district. The project is expected to be awarded the Gold certification for green buildings from the Leadership in Energy and Environmental Design (LEED) of the US Green Building Council (USGBC), the utility said. The new district cooling plant is equipped with the latest Thermal Energy Storage (TES) technology, which optimises power consumption during peak hours, and also will use the Treated Sewage Effluent (TSE) technology in its operations, which would play a pivotal role in preserving natural resources, the utility said.
Ahmad Bin Shafar, CEO, Empower, said: “Commissioning of this new district cooling plant in the Barsha Heights area, which is witnessing a huge real estate and urban boom, contributes to raising the operational efficiency and quality of services provided to our customers. “We are always working to increase the number of district cooling plants across Dubai, as part of our strategic plan to keep the pace with the remarkable population growth, which leads to a high demand for cooling services. As part of our efforts to expand the deployment of district cooling services, we are aiming to provide efficient and quality services to ensure our customers’ satisfaction. “In 2020, Empower will witness a significant development and an increase in permanent district cooling plants, as well as the expansion of its pipe network to serve the widest segment of major and emerging projects in Dubai.”
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THE 9TH ANNUAL MIDDLE EAST
CONFERENCE 14 October 2020 Jeddah, Kingdom of Saudi Arabia
OVERVIEW
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he objective of the Saudi Energy Efficiency Center, formed in 2010, is to establish a comprehensive national programme for rationalising and enhancing energy consumption in the Kingdom of Saudi Arabia. The Center represents yet another initiative in the country to curb energy consumption with environmental and economic targets in mind. An inherent element of the Center is the Saudi Energy Efficiency Program (SEEP), which focuses on three sectors, representing over 90% of the energy consumption in the Kingdom. According to a SEEP report, the industrial sector accounts for approximately 44% of energy consumed in Saudi Arabia (which equals approximately 2.1 million barrels of oil equivalent per day). The buildings sector accounts for approximately 29% of energy consumed in the country (which equals approximately 1.4 million barrels of oil equivalent per day). And the transportation sector accounts for approximately 21% of energy consumed in the country (which equals approximately one million barrels of oil equivalent per day). According to the SEEP report, the program has developed 24 energyefficiency standards and regulations (including seven with mandatory labels) for the buildings sector. Interestingly, the 24 include ‘Small AC EE standard’ and ‘Large AC EE standard’. SEEP has assessed several incentives-related initiatives and selected some for implementation.
The first, launched on October 29, 2018, is for Highly Efficient ACs (that is, those far exceeding MEPS 1 in performance). The incentives are crucial, because cooling accounts for over 50% of electricity consumption in buildings and approximately 70% at peak cooling demand. According to the SEEP report, there is low penetration of Highly Efficient (HE) ACs in the country. With that in mind, the SEEP program has introduced an HE ACs initiative, the objective of which is to stimulate the sales and local production of HE ACs in the country. The government provides a financial incentive in the form of a price discount for the end-user to buy a new HE AC, instead of buying a regular AC. Equally interesting, SEEP talks of the importance of retrofitting capital stock of inefficient equipment, buildings and industrial plants in the country. An understanding of the direction of SEEP points to a situation tailormade for the variable refrigerant flow (VRF) industry, which has repeatedly and stridently stated its energy-performance credentials in the region and elsewhere. In other words, the Kingdom offers a wealth of opportunities to VRF stakeholders, particularly manufacturers and suppliers. This is motivation enough to conduct the 9th edition of the Middle East Variable Refrigerant Flow Conference in the Kingdom.
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GLOBAL NEWS
2020 Eurovent Summit to discuss changing landscape of HVACR industry ISKID President says event is expected to draw the largest crowd to date, discusses strong participation of local Turkish associations
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By Hannah Jo Uy | Assistant Editor
he 2020 Eurovent Summit will serve as a platform for discussing the changing landscape of the HVACR industry, said Ozan Atasoy, President, ISKID, a co-organiser of the event. Atasoy added that the fourth edition of Ozan Atasoy the Summit, to be held from September 22 to 25 in Antalya, Turkey, is also expected to be the biggest yet, based on statistics of previous summits. “The last one, in Seville, Spain, saw 560 people in attendance, and this time we are expecting around 800-1,200 people,” he said. “This
time, local Turkish associations will be presented strongly, and they will have the opportunity to have some seminars and panels. They are also participating in this event as partners. So, this will be a global event for Eurovent, but it will also be a locally strong event for ISKID. We are always trying to add something new, and this time we are offering a local view.” Atasoy said the event will see important discussions on the latest developments in the market, including the impact of changing refrigerants, global energy-efficiency initiatives and new regulations. “The Summit,” he said, "will have a good opportunity to get an idea of the future of the industry and on what changes are set to come.”
ASHRAE releases revised version of Data Center Standard
ANSI/ASHRAE Standard 90.4-2019 establishes the minimum energy-efficiency requirements for the design and operation of data centres, with special consideration to their unique load requirements compared to other buildings
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By CCME Content Team
SHRAE has released a revised version of its energy standard for data centres, the Society said through a Press release. ANSI/ASHRAE Standard 90.4-2019, Energy Standard for Data Centers, establishes the minimum energy-efficiency requirements for the design and operation of data centres, with special consideration to their unique load requirements compared to other buildings, the Society said. Standard 90.4 applies to data centres with a conditioned floor area greater than 20 W/ ft2 and IT equipment loads greater than 10 kW and contains specific requirements for mechanical and electrical systems installed in new data centres or in data centre additions/ alterations that require new mechanical or electrical systems, the Society added. “Standard 90.4 was developed under the guiding principle that data centers are mission-critical facilities that demand careful attention to the potential impact of requirements,” said Richard Zbin, Chair, Standard 90.4 Committee. “The updated
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standard enables operators and designers to use the latest and most effective equipment and techniques to achieve energy efficiency in data centers, while avoiding potential reliability issues.” According to the release, updates of the Standard ensure… • Renumbered sections and revised wording align more closely with that of Standard 90.1. • Mechanical efficiency requirements are based entirely on yearly energy calculations and no longer include a power calculation option. Included table values are also aligned with the newest ASHRAE Climate Zones.
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Significant improvements are made to uninterruptible power supply (UPS) technology. Mechanical and electrical infrastructure elements are addressed. Updated UPS segment tables reflect available hardware, and average outputs are also included.
According to the release, Standard 90.4 has been in a continuous state of development as a code-intended companion to Standard 90.1 since 2013. The standard requires compliance with Standard 90.1 for building envelope, service water heating, lighting and other equipment.
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6 19 October 2020 Kuwait City, Kuwait
Sandstorms are a regular occurrence in the GCC region, more so in Kuwait. The 6th edition of the World IEQ Forum will take place against the backdrop of growing concerns over the deleterious effects of sandstorms, dust, humidity and particulate matter from emissions and other sources. A key objective of the Forum is to find lasting solutions to the demand for clean air through inviting regional and global experts and visionaries and engaging them in in-depth discussions. Another objective of the Forum is to host a display of the latest and cutting-edge technological solutions and services, capable of ushering in transformation for the better in the build-environment.
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GLOBAL NEWS
RenewAire’s new HVAC manufacturing facility earns LEED Gold
Wisconsin-based manufacturer says its own HVAC ERV and DOAS equipment contributes credits toward LEED Gold, three Green Globes and Energy Star certifications
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By CCME Content Team
enewAire’s energy-recovery and indoor air quality (IAQ) equipment has helped numerous commercial building owners reach sustainability recognition, the company said through a Press release, adding that now that same equipment, namely energy recovery ventilators (ERV) and dedicated outdoor air systems (DOAS), has helped the HVAC firm’s new 111,000-square-foot manufacturing plant achieve Leadership in Energy and Environmental Design (LEED) Gold certification in November. While the majority of LEED certifications go to high-performing office buildings, educational institutions and government facilities, any LEED level, let alone Gold, is a rare achievement for industrial buildings, which account for less than five per cent of all levels of LEED certifications globally, according to the US Green Building Council (USGBC), the company said. Industrial
building owners typically concentrate more on price-per-square-foot costs than sustainability, according to the RenewAire project’s consulting engineer, Eric T Truelove, Principal, Green Building Resources (GBR), based in Madison, Wisconsin.
Chuck Gates, CEO, RenewAire, said, “This new facility supports our mission of fostering sustainability, helping the planet by reducing energy use and, at the same time, improving human health and wellbeing.”
Mostra gets ready to ‘floor’ visitors
MOSTRA CONVEGNO EXPOCOMFORT 2020 looks to strengthen its mission as a meeting point for sector trends through a new floor plan, a training environment and an exhibition area
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By CCME Content Team
OSTRA CONVEGNO EXPOCMFORT 2020 (MCE) has revised the entire exhibition hall layout to build a path that allows visitors to learn about the new possibilities offered by technological progress, discover them, deepen them, and deal with entrepreneurs, consultants and developers acquiring useful information and contacts to govern the development process and increase their competitiveness, the organisers of the show revealed through a Press release. The show will feature an exhibition floorplan that is able to bring the HVAC&R technologies closer together to make the best of the concept of indoor climate, which will feature the whole components sector in Hall 2/4; sanitary technology, water treatment, equipment and tools in Hall 14/18; the world of heating and plant design services in Halls 1/3, 5/7, and furthermore, BIE- BIOMASS INNOVATION EXPO, co-located with MCE, in Hall 10. The EXPO, the organisers said, will shine a spotlight on the renewable energy sector, with a particular focus on BIM.
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Lastly, the organisers said, HVAC&R systems will take up not only Halls 13/15 and 22/24 but also 9/11, where the best-in-tech innovation will be on display, and which would merge perfectly with ‘That’s Smart’, an exhibition and workshop space, joining the link between the heat and power environment. According to the release, the world of HVACR is changing faster than ever. Integration and technology development, the release said, are the two drivers that cannot be underestimated; efficiency, integrated buildings, smart homes and domotics are the main areas of interest that are now decisively influencing the sector. The connection of multiple home devices over the Internet, thanks to The Internet of Things, is inexorably becoming a reality that affects the entire supply chain, from manufacturers to end-users, a development that in Italy in 2018 generated a turnover of five billion euros, registering a 35% increase compared to the previous year, and a growth that, for now, is set to remain at that level, the organisers of the show said, adding that moreover, the greatest added value for all trade professionals lies in the wide range of services they increasingly offer.
According to the company, the LEED Gold is added to RenewAire’s three Green Globes certification from the Green Building Initiative, making this one of only a handful of commercial buildings to achieve dualcertification through two independent rating systems. RenewAire is not a newcomer to sustainability, because it received two Green Globes and a LEED Silver certification for its former headquarters, a 32,000-squarefoot Madison-based indoor soccer stadium it retrofitted in 2005 for its manufacturing headquarters, the company said. When its expanding business demanded a near quadrupling of space, RenewAire gutted a vacant Waunakee-based industrial building in 2017 for its current headquarters.
RenewAire’s stepped up LEED efforts racked up 60 of a possible 110 points, 14 of which came from the “Optimize Energy Performance” category, the company said. RenewAire’s seven energy-recovery ventilators (ERV) and dedicated outdoor air system (DOAS) units accounted for nearly 25% of the 14 points, the company said. The ERVs and DOAS processes also reduce cooling/ heating loads and resulted in smaller chillers and boilers, and less refrigerants, which helped earn two points in the refrigerant management category, the company said. Other energyperformance credits came from LED lighting that cut lighting costs by half
versus conventional industrial/office space lighting, the company further said. Truelove, a 30-year-veteran of the construction and energy industries, who founded Green Building Resources in 2007, also assisted with a design that included split-system cooling systems with energy-efficiency ratios (EER) that surpass the Wisconsin State Building Code by 30% and condensing boilers that surpass the code minimum by 10% for heating, the company added. The category also included enhanced commissioning and green power purchases that make this facility carbon-neutral, the company further added.
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57
GLOBAL NEWS
Eurovent endorses the European Green Deal
European HVACR industry shares EU ambition to decarbonise by 2050
T
By CCME Content Team he European Commission on December 11 presented the European Green Deal, an ambitious package of policy measures geared towards making Europe the first climate-neutral continent by 2050, Eurovent said through a Press release. With bold investments in green technologies, boosts to innovation and support for climate-friendly industries, the policy package offers new growth perspectives for businesses in the European HVACR sector, and the potential to bolster the position of our industry as global leaders in clean and sustainable products, Eurovent said, adding that it fully endorses the Deal.
One of the pillars of the Deal is a The new Commission has also committed commitment to clean energy, which includes itself to bold air quality standards, in line with shifting to renewables and prioritising the WHO guidelines, Eurovent said. Clean air energy efficiency. To this end, Ursula Von is of fundamental importance for good health der Leyen, President of the European but remains undervalued. Eurovent said it will Commission, has mandated a review of the continue to stress the importance of clean Energy Efficiency Directive and Renewable air indoors, where people spend most of their Energy Directive, and the drafting of a new time, and push for EU policies, which properly ambitious Ecodesign working plan and value not just clean ambient air but Indoor circular economy action plan, Eurovent Air Quality, as well. said. The Ecodesign and Energy Labelling Naci Sahin, President, Eurovent, said: regulatory framework will receive increased “Eurovent strongly supports the initiatives of attention and integrate circular economy the European Green Deal. They promise to and lifecycle assessment aspects, Eurovent make the building engineering sector even added. more sustainable, to encourage the uptake According to the release, forty per of the best market-available technologies cent of the energy consumption in the and most efficient products, and to stimulate EU is attributable to buildings, making further innovation and investment in R&D the building sector one of the most activities. Already today, the most energyimportant targets of the new Commission’s efficient heating, cooling and ventilation decarbonisation strategies. The EPBD equipment is marketed in the EU. The (Energy Performance of Buildings Directive), European Green Deal promises to ensure that last reviewed in 2018, will most likely again the European HVACR industry strengthens be subject to review under Von der Leyen’s its role to play in the built-environment of mandate, as will the Construction Products tomorrow, as well.” Regulation, Eurovent said. The Deal aims Eurovent said it looks forward to to double or even triple building renovation working closely together with the European rates and speed up building digitisation, to Key Perspectives Commission to accompany the development on ensure the EU’s building stock is on track to of the Deal and match its bold leadership to decarbonise by 2050, Eurovent said. achieve its shared climate-neutrality goals.
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January 2020
10th ANNUAL CLIMATE CONTROL
AWARDS 2020 24 November | Dubai, UAE
Widely called the ‘Oscars of the HVACR Industry’, the objective of the black-tie, gala dinner event is to recognise merit across the various disciplines of the HVACR industry and to raise the bar on building performance, cold chain and fire safety, to name three. To achieve the objective, CPI Industry enlists the services of seasoned HVACR and other relevant domainspecific professionals as judges and of a third-party certification agency to evaluate companies under several categories. Into its 10th year, the Awards exercise serves as an objective and accurate barometer of the industry.
www.climatecontrolawards.com
591 January 2020 FOR SPONSORSHIP OPPORTUNITIES, CONTACT: advertising@cpi-industry.com September 2018
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5th EDITION 07 December 2020 | Cairo, Egypt
OVERVIEW The grand objective of DC Dialogue is to develop a deeper understanding of areas of current relevance in District Cooling that have a significant and long-term impact on the MENA region’s energy security and economic wellbeing. The conference looks at broad policies as well as granular measures that help the region meet its air conditioning needs in a manner that is conducive to the economy and the environment. The conference aims to train the spotlight on issues that need more attention than they have perhaps garnered, with the objective of helping the air conditioning industry go further along the sophisticated path it has set out for itself.
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1st Annual Middle East
Transforming building-retroďŹ t aspirations into bankable projects in the region with a view to helping accelerate energy-efďŹ ciency targets
09 December 2020 | Dubai, UAE
OVERVIEW With a view to demystifying building-retrofit finance, especially for private-sector projects, CPI Industry, the publishers of Climate Control Middle East magazine, are delighted to announce the 1st Annual Middle East Building-Retrofit Finance Conference. With the benevolent support of the Government, the key objective of the Conference is to engage the building services industry, building owners and banks and other financial institutions in discussions, which it is hoped, would lead to a better understanding among the stakeholders, thus facilitating a transformation of buildingretrofit aspirations into bankable projects in the region. Doing so, it is further hoped, would help the cause of accelerating the meeting of energy-efficiency targets.
61 January 2020 FOR SPONSORSHIP OPPORTUNITIES, CONTACT: advertising@cpi-industry.com
DUBAI
WELLNESS FAIR 11
2020 Transforming building-retrofit aspirations into bankable projects in the region with a view to helping accelerate energy-efficiency targets
The Dubai Wellness Fair is a day-long consumer event consisting of fun-filled activities, informal talks and workshops that seeks to provide implementable and affordable technological solutions relating to two critical issues – the air we breathe and the food we eat. The broad emphasis is on indoor environmental quality (IEQ) and food safety. An additional focus is on how to lower power consumption at home, thereby reducing monthly utility bill costs by a fair margin.
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presents
www.climatecontroljournal.com www.climatecontroljournal.com is the answer to a longexpressed need for a Web site, which would cover individual regions around the world in a bid to provide exclusive news, interviews, case-studies, technical articles and feature articles that are of relevance to HVACR and allied industry professionals, who are either based in them or are contributing to them in terms of energy efficiency (from the perspectives of reducing emissions and total cost of ownership), good indoor environmental quality and reliability across residential, commercial and industrial projects. The Web site contains five region-specific portals: • • • • •
Africa Asia Europe Middle East The Americas
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There is STRENGTH inNUMBERS‌ >7,000,000 residential and commercial products on the AHRI Directory of Certified Product Performance
>330 member companies
>40 certification programs
>100 standards and technical guidelines
>3,000 annual certification tests
>1,100
licensees from 36 countries
The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) is the trade association representing manufacturers of HVACR and water heating equipment across the globe. AHRI is the source for equipment performance standards, certification programs, information, and turnkey solutions that facilitate regulatory compliance and support energy efficiency. Learn more about AHRI online at ahrinet.org.
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January 2020