Wednesday, November 11, 2015

The House of Energy in Germany generates five times more energy than it uses

It has an annual heating demand of only 8 kWh / sq m (0.7 kWh / sq ft) and a 250 sq m (2,691 sq ft) photovoltaic system on the roof. The building in Kaufbeuren, Germany, is the first to receive Passive House Premium certification.
 Building uses a variety of energy efficient technologies, like triple-glazed windows, ground-source heat pump, ventilation system with heat recovery, and advanced lightingAny surplus energy that is generated via the photovoltaic system, is fed back into the grid.  Read more at