Combined collector

From left to right: solar collector, photovoltaic and both in one. The combined colletor has a so good thermal efficiency, that hot water can be produced without heat pump.

Combined collector From left to right: solar collector, photovoltaic and both in one. The combined colletor has a so good thermal efficiency, that hot water can be produced without heat pump.

Other photovoltaic heat combinations produce only warmth at a low temperature level, where a heat pump brings it up to 50 degree Celsius.
index: 2007 2007 
Index: Photovoltaic - Electric power direct from light Photovoltaic 
Index: Photovoltaic and heat combined PV + heat combined 


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