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5 February 2010 | Denmark
Home for Life produces more energy than it consumes. With an energy surplus of 9 kWh/m²/year, it takes approximately 40 years for the house to generate the same amount of energy that was used to ...
1116 visits | Rating : 5/5
27 November 2009 | Trier ( Germany )
Heizen nur mit Sonne - Heating only with the sun.
| 290 visits | Rating : No votes

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