Kapiti – Waikanae (previously expoHaus)

In by Shelley

Kapiti – Waikanae (previously expoHaus)

eHaus Euro - Certified Passive House Classic

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 Specifications

Heating demand 14.3 kWh/m2/yr

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/m2/yr

Experience this eHaus for yourself

Contact eHaus Kapiti

Passive House Project Team




eHaus Kapiti


eHaus - Birgit Bartel


Sustainable Engineering - Jason Quinn