Passivistas:TheHouseProject
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Transcript of Passivistas:TheHouseProject
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
Presentation:
Athanasia (Nassia) RoditiArchitect Engineer
Certified Passive House Designer
Stefan PallantzasCivil Engineer
Certified Passive House Designer
Nassia:• Design &
Construction
Stefan:• Lessons learnt• Social impact
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
Project locationPapagou – Athens
GREECE
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
Project locationPapagou – Athens
GREECE
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
TFA:
1ST FLOOR = 85 Τ.Μ.GROUND FLOOR = 30 Τ.Μ.
Project description
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
Application of EIFS on 1st floor + ground floor
Exterior walls
Building envelope
Heating demand 301 kWh/(m2a)Heating load 129 W/m2Cooling demand 77 kWh/(m2a)Cooling load 68 W/m2Estimated airtightness n50 =5.00 /h
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
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 © Passivistas2016
Interior insulation of Ground floor exterior walls
adjacent to the ground
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
BEFORE:Ustone = 2,632 W/m2K
AFTER:Ustone = 0,470 W/m2K
Interior insulation of Ground floor exterior walls
adjacent to the ground
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
Exterior insulation of roof
BEFORE:Uroof = 3,442 W/m2K
AFTER:Uroof = 0,100 W/m2K
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
BEFORE:Uslab = 3,959 W/m2K
AFTER:Uslab = 0,484 W/m2K
Interior insulation of GROUND FLOOR slab
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
Interior insulation of 1st FLOOR slab
with wooden finishBEFORE:Uslab-wood = 1,562 W/m2K
AFTER:Uslab-wood = 0,408 W/m2K
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
• PARAPET• BALKONIES• COLUMNS & INTERIOR
WALLS TO 1st FLOOR SLAB• EXTERIOR WALL TO
GROUND SLAB
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
THERMAL BRIDGE FOR UNINSULATED BALCONY
Ψ = 0,628 W/(mK)
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
BEFORE:
Uf= 2,50 W/m2K
Ug= 5,80 W/m2K
g= 0,87 W/m2K
AFTER:
Uf= 0,78 – 1,00 W/m2K
Ug= 0,55 W/m2K
g= 0,54 W/m2K
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
WINDOW INSTALLATION ON THE LINTEL
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
WINDOW INSTALLATION ON THE INSULATION
LAYER
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
• SOLAR GAINS MAXIMIZATION
• WINDOW SHADING
Summer concept and shading
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
• PASSIVE HOUSE DOORS
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
One HRV for 1st FLOOR
Effective Heat Recovery Efficiency = 92%
Subsoil Heat Exchangerwith Effective efficiency = 64%
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
One HRV for GROUND FLOOR
Effective Heat Recovery Efficiency = 89%
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
EnerPHit:First one on the SE
Mediterranean area
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
Lessons learnt
Teamwork!
8 CPH Designers60 Craftsmen
150 Days
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
Lessons learnt
PHPP 9
Is the Tool !
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
Lessons learnt
Insulate first!
15 kWh/(m2a)
10 cm of external
insulation +
double-glazed windows
10 W/m2
20 cm of external
insulation +
double-glazed windows
with a high g-value
triple-glazing Ug = 0.5 W/(m2K)
g-value of 0.54
15 cm of external
insulation+
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
BLOWER DOOR TESTn50 = 0,56 ACH
Lessons learnt : If you know where to “tape”, then airtightness is easy!
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
Lessons learnt
HRV :
Handmade!
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
Lessons learnt
Monitoring & public info
Give the users the data they
need!
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
Social impact
Passive House Days
>300 Visitors
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
Social impact
HPHI Headquarters
4 CEPH courses36 Participants
6 events300
participants
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
Social impact
PROJECT WEBSITE
Info material
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
Measurements
PHPP is right!!!
FINAL ENERGY CONSUMPTION DEC 2015-MARCH 2016 (KWh)
MonthTOTAL PHPP
TOTAL MEASURED
HEATING PHPP
HEATING MEASURED DHW PHPP
DHW MEASURED
DEC 579,73 414,96 294,00 263,82 114,14 96,24JAN 667,73 602,35 414,00 367,45 82,35 50,34FEB 616,65 393,70 393,00 206,57 63,56 57,87MAR 369,73 326,00 184,00 141,35 14,12 12,08
SUM 2233,85 1737,01 1285,00 979,19 274,17 216,53KWh/m2 TFA 19,49 15,16 11,21 8,54 2,39 1,89Euros/day 3,14 2,44 1,81 1,38 0,39 0,30
Total Winter Cost 297,90
Total Heating Cost 167,93 PER DAY 1,38 €
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
TFA 115 m²
Energy price 1st year 0,172 €/kWhAnnual cost increase 5,00 %yearInflation 1,00 %/yearReal annual cost increase 3,96 %/yearTime period 10 years
energy consumption for heating of existing houseper m2 300 kWh/(m²year)Total Energy Consumption 34.620 kWh/yearenergy costs 1st year 5.937 €/year
energy consumption for heating after retrofit 11 kWh/(m²year)Total energy consumption 1.269 kWh/yearenergy costs 1st year 218 €/year
Additional Retrofit Costs /m2 400 €/m²Total costs 46.160 €
Financing the additional costTime Period 10,00 yearsnominal annual interesr rate 4,00 %/yearreal interest rate 2,97 %/yearAnnuity a 11,71 %/yearAnnual costs of financing 5.403,16 €/year
Cost effective
YES!!!It is
IPHC16 Darmstadt Germany Authors : Nassia Roditi, Stefan Pallantzas © Passivistas2016
Thank You!
For Bella and Noche…
Passive HouseLive in comfort!Save Energy!Save the planet!