Question: A heat pump uses the ground as a source to deliver 20,000 Btu/hr to heat a home. The heat pump coefficient of performance is 3.23.

A heat pump uses the ground as a source to deliver 20,000 Btu/hr to heat a home. The heat pump coefficient of performance is 3.23. Determine 


(a) The electrical power required to operate the heat pump in steady state, 


(b) The operating cost per hour if electricity is purchased at 6.2 cents/kW · hr, 


(c) The rate at which energy is removed from the ground expressed in both kW and Btu/hr.Ground

Ground

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