My girlfriend and I just moved in an apartment in an all-new house. The architect and the owner decided to heat the house with the following environmently friendly method:
The photovoltaic system on the roof is used for general electricity and the generation of hot water. Thanks to the above-average insulation of the building envelope and the use of a geothermal heat pump, the building is tempered in an energetically sensible and sustainable manner.
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The photovoltaik-connection
The heat of geothermal energy