Refrigeration COP Calculator

Calculate Coefficient of Performance (COP) for refrigeration systems based on evaporator and condenser temperatures.

Operating temperature of evaporator coil.
°F
Operating temperature of condenser coil.
°F
Isentropic efficiency of compressor (typical 0.65-0.85).

Results

Carnot COP-
Actual COP-
EER Equivalent-Btu/Wh
References: ASHRAE Handbook - Refrigeration, Chapter 2. Thermodynamics and Refrigeration Cycles.