Christchurch – Strowan
eHaus Euro - Certified Passive House Plus (2017)
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
Design Components
Floor – EPS raft slab – 70mm EPS VH grade rib insulation 100mm wide, 300mm pods U-value = 0.34 W/(m2K)
Wall – SIP Panels 215mm with 50mm insulation in service cavity U-value = 0.155 W/(m2K)
Roof – 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)
Glazing – Sanco Silverstar TRIII E 4:/20AR/4:/20AR/4 ACS plus spacer U g-value = 0.5 W/(m2K) g -value = 53 %
Ventilation – Zehnder Q350 MHRV
Hot Water – External Heat Pump with 300 Litre storage
Heating/Cooling – 2 Heat Pumps
Power Generation – 7kW solar PV system
Performance Specifications
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