Heat Pump COP Calculator

Calculate coefficient of performance for heat pump systems.

Heat pump heating output.
BTU/hr
Electrical power consumption.
kW
Outdoor air temperature.
°F

Results

Coefficient of Performance-ratio
Estimated HSPF-BTU/Wh
Theoretical Carnot COP-ratio
References: ASHRAE Handbook - HVAC Systems and Equipment, Chapter 9 (Heat Pumps)