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Āhuru is a meticulously crafted home designed over ten years in a collaboration between the homeowners, and TAWA Architecture who are recognised as the Architectural & Certified Passivhaus Designers, and the Energy consultant (PHPP). Having lived in drafty and damp homes previously and with a background in interior architecture, the owners had the desire for their first home to be sustainable and functional, and every detail was to be carefully considered. Āhuru stands as a testament to their vision of combining comfort and style, with environmental responsibility. 


Throughout the planning and design process, the homeowners prioritised energy efficiency and indoor comfort. Āhuru incorporates Passive House principles, ensuring exceptional thermal performance and indoor air quality. The selection of Dopfner Premium Wood Alu windows and the Zehnder ComfoAir ventilation system enable the home to meet the strict standards set for Passive House certification.


Overlooking the Raglan harbour, this home features three bedrooms, two bathrooms, a large open plan kitchen and living area, plus a separate office. This exceptional home showcases well-planned details in every space – nothing happened by accident. The kitchen and living joinery, wall linings, and interior door veneers were ordered together to ensure consistency of colour and grain match throughout the home. The feature kitchen and entrance ceiling is a nod to historical construction methods and the homeowner's work. The design and construction of the bedroom wing includes significant acoustic reduction methods. These are a few, of the many, examples of the attention to detail taken by the teams involved in this project.


The homeowner’s commitment to passive design has resulted in a home that epitomises responsible construction and living. Rainwater harvesting, and solar panels with battery storage to meet Passive House Plus standard, further reducing Āhuru's environmental impact while promoting self-sufficiency. The selection of Abodo timber weatherboards and Vulcan decking, both thermally treated products, alongside MCA treated retaining and pergola timber, reduces the extent of chemical leaching into the surrounding environment.  These elements contribute to a healthier, more sustainable living environment without compromising on comfort or architectural excellence.


Welcome to Āhuru, where simplicity meets sustainability, and every detail tells a story of thoughtful design and conscientious living.


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

Maxraft 250_Expol ThermaSlab S with a U-value of 0.240 W/(m²K)
140mm timber frame with double layer of insulation U-value of 0.230 W/(m²K)
Double layer of fibreglass insulation with a U-value of 0.157 W/(m²K)
Window Joinery Frame
Eco Windows - Dopfner timber frame Aluclad Uf value = 1.20 W/(m²K)
Triple Glazed Argon Ug value=0.64 W/(m²K) g- value = 54%
Zehnder comfoAir 350

Performance Specs

Heating Demand: 14.6 kWh/m²/yr
Heating Load: 12.2W/m²
Frequency of Overheating: 2.2%
TFA: 143.1 m²
Form Factor: 3.89
Air Leakage: 50Pa: 0.3 ACH
PER Demand: 30.8 kWh/m²/yr


TAWA Architecture


Sustainable Engineering - Jason Quinn

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