Waikato Te Aroha Non-certified, eHaus Euro, PHI Low Energy


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. This home received a Gold Award at the Registered Master Builder 2021 House of the Year Competition, Waikato – a true testament to the project architecture, by Johnson Brierley Architecture, and its construction, by eHaus Waikato.

Extraordinary heat energy savings.

Every one of our projects are energy modelled using the Passive House Planning Package (PHPP). It's through this powerfully clever tool that we can accurately calculate just how much heat energy every eHaus will save when compared to a similarly- sized typical new home, built in the same climate region.

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This project is making significant carbon savings for a better environment.

We believe that our homes should have a big impact on the way we live, but little impact on the land. We've calculated the amount of carbon our homes have saved through energy efficiency from move in day 'til now. At their core, eHaus' are built with the elimination of carbon emissions in mind - so we're not only creating healthy, comfy & high performing homes, but spaces that don't cost the earth.

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Meet the team of designers and builders behind this project

Our eHaus team is made up of some of the country's best Passive House builders, architects and designers who are redefining the way kiwis live one home at a time. Our team of professionals work together to see your dreams come to reality.
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Design Components

Fully insulated concrete pad with a U-value of 0.182 W/(m²K)
140mm timber frame with service cavity U-value of 0.223 W/(m²K)
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)
Double Glazed Argon Ug value=1.12 W/(m²K) g- value = 61%
Zehnder ComfoAir Q350 MHRV
Hot Water
Bosch Compress 3000 – 270L capacity heat pump hot water cylinder
Air to air heat pump

Performance Specs

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


Maria Rei



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