Hope some one can answer this.
I've figured out how to compare the cost per BTU of propane versus electrical heat.
Now for the heat pump. The best I can find has to do with the coefficient of performance (COP). I've found a statement that todays heat pumps have a COP between 2 and 5.
Is it correct to understand then that for each BTU of electricity that goes into a heat pump, it puts out twice as many BTU if it is rated as a COP of 2, three as many if COP of 3 etc.?
Help me understand this.
I understand the SEER rating part.
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