Kapiti – Waikanae Beach
eHaus Euro - Passive House Low Energy Standard - Non Certified
This home is built on 3 levels nestling well into the natural surroundings. With a garage and workshop downstairs, 3 bedrooms above that are connected to the open plan kitchen dining space. There is a private deck at the rear of the property giving great indoor outdoor flow. Just a 1kW panel heater is sufficient to keep the home warm in winter and the solar PV system ensures minimum running costs throughout the year.
Design Components
Floor – EPS raft slab 200mm U-value = 0.184 W/(m2K) & Suspended timber floor – U-value = 0.222 W/(m2K)
Wall – 140mm timber frame with service cavity U-value = 0.207W/(m2K)
Roof – Double layer of fibreglass insulation U-value = 0.141 W/(m2K)
Window Joinery Frame – uPVC U f-value = 1.50 W/(m2K)
Glazing – Double glazing U g-value = 1.1 W/(m2K) g -value = 61 %
Ventilation – Zehnder ComfoAir 350 MHRV
Hot Water – Bosch Compress 3000 – 270L capacity hot water heat pump
Heating/Cooling – 1 kW panel heater on thermostat
Power Generation – 3,4kW solar photovoltaic array
Performance Specifications
Heating Demand: 27.7 kWh/m2/yr
Heating load 16.8W/m2
Frequency of overheating 3.4 %
TFA: 117.9 m2
Form Factor: 4.12
Air Leakage@50Pa: 1.05 ACH
PE demand: 118 kWh/m2/yr