Sigma Home
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U.K. Builder Trying Again on Eco-Home Protoype
Stewart Milne Group’s first eco-home, Sigma, didn’t provide the airtightness and thermal resistance expected, but the firm is applying what it learned to Sigma II
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U.K. Builder: Airtight Construction Trumps Renewable-Energy Add-ons
Stewart Milne Group says tests of its Sigma Home prototype show that the building’s wind turbine and PV systems aren’t compensating for its underperforming shell In 2007, when U.K. homebuilder…