Whanganui District RivertonNon-certified, eHaus Euro, Passive House Low Energy

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The first eHaus developed in 2010 as a prototype to test the theory of Passive House and the newly developed New Zealand climate data. When completed it was the most air tight house that had been built in New Zealand (0.6AC n50) and was tested by Thomas Van Ramsdonk from Proclima who had one of the few blower doors in NZ at that time. Following construction the house was monitored in 2011 - 2012.

The performance of the home met all the expectations and confirmed the decision for eHaus to focus on the Passive House Standard. A conventional external style was chosen in keeping with the subdivision but the inside is very modern. A large open plan dining, living kitchen area with en-suite that is an integral part of the master bedroom separated by a floating wall. The house was constructed using ecoBlock which proved to be an excellent option for this and many future projects.

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.
Experience
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Design Components

Floor
Insulated concrete pad with a U-value of 0.598 W/(m²K)
Wall
ecoBlock ICF wall U-value = 0.267 W/(m²K)
Roof
300mm of wool insulation U-value of 0.142 W/(m²K)
Window Joinery Frame
Thermally Broken Aluminium windows – Uf: 3,8 W/(m²K)
Glazing
Double Glazed 4-16-4 Low E Argon U g-value = 1.3 W/(m2K) g-value = 64%
Ventilation
Zehnder Comfo Air 350 MHRV
Hot Water
Flat Panel Solar Hot water systems (5,4m²), with 300 litre internal storage
Heating/Cooling
Pellet fire , 600W Heated towel rail
Ecological features
10,000 litres of potable water storage

Performance Specs

Heating Demand: 19.0 kWh/m2/yr
Heating Load: 12.0 W/m2
Frequency of Overheating: 0%
TFA: 188 m2
Air Leakage@50Pa: 0.6 ACH

Consultant

eHaus

Certifier

N/A

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400 Victoria Ave, Whanganui
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