The first certified Passive House in the Wellington Region and catalyst for Passive House developments in the area. Contemporary three bedroom home was built as an expoHaus and the eHaus Kapiti teams work base. It is now sold and in private ownership.
Design Components
Floor
Fully insulated concrete pad with a U-value of 0.184 W/(m²K)
Wall
140mm timber frame with service cavity U-value of 0.220 W/(m²K)
Roof
Double layer of fibreglass insulation U-value of 0.126 W/(m²K)
Window Joinery Frame
Advanced Windows NZ Veka Tilt Turn and lift and slide Uw value 1.21 W/(m²K)
Glazing
Triple Glazed Low E Argon Ug value 0.67 W/(m²K) G value 56%
Ventilation
Zehnder comfo 350 MHRV
Hot Water
Heat Pump with split system with internal domestic hot water storage
Heating/Cooling
Heat Pump with split system powering a hydronic underfloor heating system
Power Generation
5 kW Solar PV system
Performance Specs
Heating Demand
14.3 kWh/(m²yr)
Heating Load
13 W/m²
Frequency of Overheating
3%
TFA
144.7 m²
Form Factor
3.78
Air Leakage @ 50Pa
0.5 ACH
Per Demand
46 kWh/(m²yr)
Consultant: eHaus - Birgit Bartel
Certifier: Sustainable Engineering - Jason Quinn
