Question: A heat pump has a coefficient of performance that is 50% of the theoretical maximum. It maintains a house at 20C, which leaks energy of

A heat pump has a coefficient of performance that is 50% of the theoretical maximum. It maintains a house at 20°C, which leaks energy of 0.6 kW per degree temperature difference to the ambient. For a maximum of 1.0 kW power input find the minimum outside temperature for which the heat pump is a sufficient heat source.

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