Waikato – Coopers Corner

In by Jon Iliffe

Waikato – Coopers Corner

eHaus Euro - PHI Low Energy Standard - Non Certified

Set on a 4000 square metre section in rural eastern Waikato this location has spectacular views of Mt Te Aroha. The home incorporates a guest wing that offers a Bed and Breakfast option which has been designed to capture views of the Kaimai ranges. A key requirement for the owners of this home was to ensure an energy efficient design with minimal running costs without sacrificing comfort. This has been achieved and comes as standard with every eHaus.

Design Components

Floor – Fully insulated concrete pad with a U-value of 0.182 W/(m²K)

Wall – 140mm timber frame with service cavity U-value of 0.223 W/(m²K)

Roof – Double layer of fibreglass insulation U-value of 0.131 W/(m²K)

Window Joinery Frame – Nulook- Thermally broken aluminium- Uf value = 4.30 W/(m²K)
Euroview CP130 – Thermally broken aluminium -Uf value = 2.35 W/(m²K)

Glazing – Double Glazed  Argon Ug value=1.12 W/(m²K) g- value = 61%.

Ventilation – Zehnder ComfoAir Q350 MHRV

Hot Water – Bosch Compress 3000 – 270L capacity heat pump hot water cylinder

Heating/Cooling – Air to Air heat pump

Performance Specifications

Heating demand: 22.8 kWh/m2/yr

Heating load: 17.7 W/m2

Frequency of Overheating: 1.7 % year over 25C

TFA: 212.3 m2

Form Factor: 3.86

Air leakage@50Pa: 0.90 ACH

PER demand: 37.3 kWh/m2/yr

Experience this eHaus for yourself

Contact eHaus Waikato

Passive House Project Team


Johnson Brierley Architecture - Grant Johnson


eHaus Waikato - Brown Construction Ltd


Maria Rei