Question and Worked Solution

A heat pump is used to maintain a house at 20°C. The outdoor air temperature drops to -2°C, the house is estimated to lose heat at a rate of 80,000 kJ/h. If the heat pump under these conditions has a COP of 2.5

Determine:

(a) the power consumed by the heat pump and

(b) the rate at which heat is absorbed from the cold outdoor air.

Worked Solution