Geothermal COP Calculator
Calculate coefficient of performance from source and delivery temperatures.
Inputs
°F
°F
BTU/hr
kW
Results
System COP
4.67
Total Power Draw
3.01 kW
≈ 3 microwaves
Compressor COP5.6
Carnot COP (ideal)11.2
EER15.9
How to Use This Calculator
- Enter the heat output delivered by the heat pump in BTU/hr or kW.
- Input the electrical power consumed by the compressor in kW.
- Review the Coefficient of Performance (COP) — higher COP means more efficient operation.
- Compare the COP to the fuel-equivalent efficiency of your existing heating system.
- Geothermal heat pumps typically achieve a COP of 3–5, equivalent to 300–500% efficiency.
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