Lecture solar heating

Heat pump is for a long time known. Some architects even know about the possibility to use the underground as a seasonal storage. New: A roof to deliver electric power and heat.

Lecture solar heating Heat pump is for a long time known. Some architects even know about the possibility to use the underground as a seasonal storage. New: A roof to deliver electric power and heat.

index: 2006 2006 
Index: Photovoltaic Photovoltaic top 
Index: Solar thermic Solar thermic 


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