A heat pump extracts energy from groundwater at 10C and transfers it to water at 70C to
Chapter 19, Problem 39(choose chapter or problem)
A heat pump extracts energy from groundwater at 10C and transfers it to water at 70C to heat a building. Find (a) its COP and (b) its electric power consumption if it supplies heat at the rate of 20 kW. (c) Compare the pumps hourly operating cost with that of an oil furnace if electricity costs 15.5./kWh and oil costs $3.60/gallon and releases about 30 kWh/gal when burned.
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