Engineering, 14.04.2020 18:58 deontehiggins42

A heat pump designer claims to have an air-source heat pump whose coefficient of performance is 1.8 when heating a building whose interior temperature is 300 K and when the atmospheric air surrounding the building is at 260 K. Is this claim valid

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A heat pump designer claims to have an air-source heat pump whose coefficient of performance is 1.8...