basic

Coefficient of Performance — Heat Pump and Refrigerator Calculator

COP_HP = T_H/(T_H−T_C); COP_R = T_C/(T_H−T_C).

Calculates the Carnot COP for a heat pump COP_HP = T_H/(T_H−T_C) and for a refrigerator COP_R = T_C/(T_H−T_C). Also shows actual COP given a real efficiency fraction.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

K
K

Results

Enter values and click Calculate to see results.
Was this helpful?

How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

COP_HP = T_H/(T_H−T_C); COP_R = T_C/(T_H−T_C)

In depth

Calculates the Carnot COP for a heat pump COP_HP = T_H/(T_H−T_C) and for a refrigerator COP_R = T_C/(T_H−T_C). Also shows actual COP given a real efficiency fraction.