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Old 03-07-20, 03:32 AM   #8
Sadashi
Lurking Renovator
 
Join Date: Jan 2020
Location: Romania
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Hi Jeff , gadget said it better than me and I will quote him here : "If you are using an air source heat pump to heat the tank that feeds the water source heat pump, you are getting no advantage. You would have a loss of efficiency." Sorry that I didn't explain my idea good enough , but that is what I wanted to do : use a small air to water heat pump that will feed a water tank , the water from this tank will serve as the heat source for may "ground source heat pump" ( not so much ground source as it will get the heat needed to evaporate the refrigerant from.the water tank ) .
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