Airtight and super-insulated, a passive house uses around 90% less energy. When the Canadian engineer Harold Orr and his colleagues began designing an ultra-efficient home in Saskatchewan in the late ...
Enough electricity will be produced to power 10,000+ homes, resulting in an estimated reduction in 44,000 tons per year in greenhouse gas emissions HOUSTON--(BUSINESS WIRE)--Siemens Energy has signed ...
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