What is the difference between a cop and an hspf

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Reference no: EM131373962

1. What is the difference between a COP and an HSPF?

2. Why are the coils in an air-source heat pump referred to as the outdoor coil and indoor coil instead of the condenser and evaporator?

3. Explain why there is heat in the air even at cold temperatures.

Reference no: EM131373962

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