Heat Pump COP Calculator
COP tells you how many units of heat a heat pump delivers per unit of electricity.
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Formula
- COP = heat output ÷ electrical input (same units)
Example calculation
36,000 BTU/h (10.55 kW) output with 3.5 kW input → COP 3.0.
Practical HVAC use
Compare heat pumps at the same outdoor temperature, or estimate performance in the field.
Common mistakes
- Comparing COPs measured at different outdoor temperatures.
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Educational tool. Results are estimates from the stated formulas; always confirm with manufacturer data and the code adopted in your jurisdiction. All calculators