Thursday, December 31, 2009

Massachusetts Beach House Is Zero Net Energy


The Truro Beach House is a zero energy home, which means that it produces as much energy as it consumes on an annual basis. This high performance home has a super-insulated building envelope, ground (geothermal) source heat pump, and 11.7KW of solar energy on the roof. The geothermal system, coupled with radiant heating and central air, supply the home’s heating and cooling needs throughout the year. A heat recovery ventilator provides fresh air throughout the year while exchanging heat between the incoming and outgoing air steams, minimizing the energy penalty of fresh air ventilation. Since the home is designed as a vacation residence with varying occupancy, it is is split into two volumes – a ‘Living Bar’ and a ‘Sleeping Bar’ - so that half the home can be decommission for the majority of the year to conserve energy.

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