Quote:
Originally Posted by NiHaoMike
Actually, a heat pump with a COP of 2 would put 3 units of heat into the water for every unit of energy used.
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I think if you research this, you will find that the electrical power that is used to run the device is included in the published COP of any vapor-compression heating device, which makes sense, since the electricity used to run the device is virtually all turned into heat.
The opposite is true for vapor-compresson cooling devices.
-AC_Hacker