Nassia: • Design & Construction Stefan: • Lessons learnt • Social impact
Presentation: Athanasia (Nassia) Roditi Architect Engineer Certified Passive House Designer Stefan Pallantzas Civil Engineer Certified Passive House Designer IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
© Passivistas2016
Project location Papagou – Athens GREECE
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
© Passivistas2016
Project location Papagou – Athens GREECE
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
© Passivistas2016
Project description TFA: 1ST FLOOR = 85 Τ.Μ. GROUND FLOOR = 30 Τ.Μ.
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
© Passivistas2016
Building envelope
Application of EIFS on 1st floor + ground floor Exterior walls Heating demand 301 kWh/(m2a) Heating load 129 W/m2 Cooling demand 77 kWh/(m2a) Cooling load 68 W/m2 Estimated airtightness n50 =5.00 /h
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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BEFORE: Ubr.= 1,633 W/m2K
AFTER: Ubr.= 0,178 W/m2K
Application of EIFS on 1st floor + ground floor Exterior walls
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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Interior insulation of Ground floor exterior walls adjacent to the ground
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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Interior insulation of Ground floor exterior walls adjacent to the ground
BEFORE: Ustone = 2,632 W/m2K AFTER: Ustone = 0,470 W/m2K
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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Exterior insulation of roof BEFORE: Uroof = 3,442 W/m2K AFTER: Uroof = 0,100 W/m2K
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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Interior insulation of GROUND FLOOR slab
BEFORE: Uslab = 3,959 W/m2K AFTER: Uslab = 0,484 W/m2K
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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Interior insulation of 1st FLOOR slab with wooden finish BEFORE: Uslab-wood = 1,562 W/m2K AFTER: Uslab-wood = 0,408 W/m2K
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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• PARAPET • BALKONIES • COLUMNS & INTERIOR WALLS TO 1st FLOOR SLAB • EXTERIOR WALL TO GROUND SLAB
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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THERMAL BRIDGE FOR UNINSULATED BALCONY Ψ = 0,628 W/(mK)
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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BEFORE:
AFTER:
Uf= 2,50 W/m2K
Uf= 0,78 – 1,00 W/m2K
Ug= 5,80 W/m2K
Ug= 0,55 W/m2K
g= 0,87 W/m2K
g= 0,54 W/m2K
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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WINDOW INSTALLATION ON THE LINTEL
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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WINDOW INSTALLATION ON THE INSULATION LAYER
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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Summer concept and shading
• SOLAR GAINS MAXIMIZATION • WINDOW SHADING
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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• PASSIVE HOUSE DOORS
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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One HRV for 1st FLOOR Effective Heat Recovery Efficiency = 92% Subsoil Heat Exchanger with Effective efficiency = 64%
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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One HRV for GROUND FLOOR Effective Heat Recovery Efficiency = 89%
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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EnerPHit: First one on the SE Mediterranean area
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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Lessons learnt
Teamwork! 8 CPH Designers 60 Craftsmen 150 Days
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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Lessons learnt
PHPP 9
Is the Tool !
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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10 W/m2
15 kWh/(m2a)
Lessons learnt
Insulate first!
10 cm of external insulation + double-glazed windows
20 cm of external insulation + double-glazed windows with a high g-value
15 cm of external insulation + triple-glazing Ug = 0.5 W/(m2K) g-value of 0.54
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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Lessons learnt : If you know where to “tape”, then airtightness is easy! BLOWER DOOR TEST n50 = 0,56 ACH
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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Lessons learnt HRV :
Handmade!
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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Lessons learnt Monitoring & public info
Give the users the data they need!
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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Social impact
Passive House Days >300 Visitors
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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Social impact HPHI Headquarters
4 CEPH courses 36 Participants 6 events 300 participants
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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Social impact PROJECT WEBSITE Info material
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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FINAL ENERGY CONSUMPTION DEC 2015MARCH 2016 (KWh)
Measurements
PHPP is right!!!
Month DEC JAN FEB MAR
TOTAL TOTAL HEATING HEATING DHW DHW PHPP MEASURED PHPP MEASURED PHPP MEASURED 579,73 414,96 294,00 263,82 114,14 96,24 667,73 602,35 414,00 367,45 82,35 50,34 616,65 393,70 393,00 206,57 63,56 57,87 369,73 326,00 184,00 141,35 14,12 12,08
SUM KWh/m2 TFA Euros/day
2233,85 19,49 3,14
1737,01 1285,00 15,16 11,21 2,44 1,81
Total Winter Cost
297,90
Total Heating Cost
167,93 PER DAY 1,38 €
979,19 8,54 1,38
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
274,17 2,39 0,39
216,53 1,89 0,30
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TFA
Cost effective
YES!!! It is
115 m²
energy consumption for heating after retrofit Total energy consumption energy costs 1st year
Energy price 1st year Annual cost increase Inflation Real annual cost increase Time period
0,172 5,00 1,00 3,96 10
€/kWh %year Additional Retrofit Costs /m2 %/year Total costs %/year years Financing the additional cost
energy consumption for heating of existing house per m2 Total Energy Consumption energy costs 1st year
Time Period nominal annual interesr rate 300 kWh/(m²year) real interest rate 34.620 kWh/year Annuity a 5.937 €/year Annual costs of financing
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
11 kWh/(m²year) 1.269 kWh/year 218 €/year
400 €/m² 46.160 €
10,00 4,00 2,97 11,71 5.403,16
years %/year %/year %/year €/year
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Thank You! Passive House Live in comfort! Save Energy! Save the planet!
For Bella and Noche‌
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas
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