Bonnifait + Giesen’s Cornege-Preston House is a Passive Solar Sink in New Zealand

by , 02/08/13

Bonnifait + Giesen, Cornege-Preston House, New Zealand, passive solar design, green design, sustainable design, eco-design, solar sink, daylighting, underfloor heating, rainwater capture, wool insulation, sustainable wood, double-glazing

The Cornege-Preston house is 40 meters long and six meters wide. Spread out thusly, which is made possible by a large plot, every section of the home is exposed to achieve maximum solar gain. Oriented to face the northwest, a concrete link between the guest wing and main home acts as a solar sink that radiates heat throughout the entire dwelling. And virtually none of these thermal gains are lost thanks to superior wool insulation and double glazing.

Sometimes too much heat is not a good thing, which is why sliding doors and louvers were necessary to promote natural ventilation, while skylights let the light in. Underfloor heating increases efficient energy use and a rooftop solar panel heats most of the home’s water with the power of the sun. 400 trees were planted on the site and there are two 25,000 liter tanks that capture rainwater. The designers also used sustainably sourced Macracapa pine and Italian poplar for cladding, decking and ceiling linings, topping off what their low-tech approach to green design.

+ Bonnifait + Giesen

Via Arch Daily

Photos © Paul McCredie

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