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On the interior, the team carefully selected KCMA-certified cabinetry, low- or no-VOC finishes and American Clay wall coating systems.


 


The slab also sits on 12” of EPS foam (R-60), and the garage doors are insulated as well, so the overall heating demand for the home is extremely low. In fact, it has no furnace and no fireplace, despite the cold climate. The home, designed for a heating load of just 3,000 W, relies on passive solar plus a modest ground loop geothermal system, with a back up of electrical floor mats from Nuheat. A super-efficient HRV provides ventilation to the whole house, with minimal loss of BTU.


Along with the 4.5 kW PV panels, the house has a 40-sq.-ft. hot water solar collector that provides 90% of the home’s hot water demand. A small electric hot water heater provides the rest.


www.greenbuildermag.com 12.2011 43

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