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Christchurch Strowan eHaus Euro, Certified, Passive House Plus


This two storey modern residence in the middle of Christchurch replaces the families home that was damaged in the Canterbury earthquakes. A modern family home that ticks all the boxes!

Extraordinary heat energy savings.

Every one of our projects are energy modelled using the Passive House Planning Package (PHPP). It's through this powerfully clever tool that we can accurately calculate just how much heat energy every eHaus will save when compared to a similarly- sized typical new home, built in the same climate region.

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This project is making significant carbon savings for a better environment.

We believe that our homes should have a big impact on the way we live, but little impact on the land. We've calculated the amount of carbon our homes have saved through energy efficiency from move in day 'til now. At their core, eHaus' are built with the elimination of carbon emissions in mind - so we're not only creating healthy, comfy & high performing homes, but spaces that don't cost the earth.

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Meet the team of designers and builders behind this project

Our eHaus team is made up of some of the country's best Passive House builders, architects and designers who are redefining the way kiwis live one home at a time. Our team of professionals work together to see your dreams come to reality.
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Design Components

EPS raft slab – 70mm EPS VH grade rib insulation 100mm wide, 300mm pods U-value = 0.34 W/(m²K)
SIP Panels 215mm with 50mm insulation in service cavity U-value = 0.155 W/(m²K)
SIP panels 265mm with 90mm in service cavity U-value = 0.13 W/(m²K)
Window Joinery Frame
ThermaDura, NatureLine 90 Laminated Siberian Larch U w-value = 0.94 W/(m²K)
Sanco Silverstar TRIII E 4:/20AR/4:/20AR/4 ACS plus spacer U g-value = 0.5 W/(m²K) g-value = 53%
Zehnder Q350 MHRV
Hot Water
External Heat Pump with 300 Litre storage
2 Heat Pumps
Power Generation
7kW solar PV system

Performance Specs

Heating Demand: 22.1 kWh/m²/yr
Heating Load: 9.3W/m²
Frequency of Overheating: 1%
TFA: 198.1 m²
Form Factor: 3.4
Air Leakage@50Pa: 0.51 ACH
PER Demand: 31 kWh/m²/yr
Renewable Energy Generation: 46 kWh/m²/yr


eHaus - Birgit Bartel


Sustainable Engineering - Jason Quinn

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