How a coefficient of performance greater than 1 is possible?

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How is it that a machine (like a heat pump) can consume 1kw of power and produce an amount greater than that of heat? What am I misunderstanding?

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Anonymous 0 Comments

Coefficient of performance does not measure heat *produced*. It measures the heat which is added to the hot end.

In a regular heater this is just heat generated from throwing away energy. In a heat pump, there *is* that heat, but *also* heat *moved* by the pump.

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