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A house should be heated by a heat pump, = 2.2, and maintained at 20oC at all times. It is estimated that it looses 0.8

A house should be heated by a heat pump, β′ = 2.2, and maintained at 20oC at all times. It is estimated that it looses 0.8 kW per degree the ambient is lower than the inside. Assume an outside temperature of –10oC and find the needed power to drive the heat pump?

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