Is this calculation free and private?

Yes, 100% of calculations execute locally in your web browser. No inputs or personal data are stored or transmitted.

What does the Heat Pump COP & Energy Efficiency Calculator give me?

It works out Heat Pump Annual Heating Cost, Base Electric Resistance Cost, Annual Heating Cost Savings and Estimated Equivalent HSPF Rating, updating live as you change the inputs.

What do I need to enter?

Just Coefficient of Performance, Heating Hours per Year, Average Heating Demand, Electricity Cost and Base Resistance COP. Every field has a sensible default you can start from.

Is my data uploaded anywhere?

No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.

Does it work on a phone?

Yes. The layout adapts to small screens and needs no app or signup.

Heat Pump COP & Energy Efficiency Calculator

Calculate Heat Pump Coefficient of Performance (COP), HSPF rating, and compare annual heating costs against electric resistance.

100% free
Private in browser
No signup
No watermarks

Coefficient of Performance (COP)

Heating Hours per Year

Average Heating Demand (kW)

Electricity Cost ($/kWh)

Base Resistance COP

Heat Pump Annual Heating Cost ($)

731.43

Base Electric Resistance Cost ($)

2,560

Annual Heating Cost Savings ($)

1,828.57

Estimated Equivalent HSPF Rating

11.9

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About Heat Pump COP & Energy Efficiency Calculator

Calculate Heat Pump Coefficient of Performance (COP), HSPF rating, and compare annual heating costs against electric resistance. Enter Coefficient of Performance, Heating Hours per Year and Average Heating Demand and the tool works out Heat Pump Annual Heating Cost, Base Electric Resistance Cost and Annual Heating Cost Savings straight away. Everything runs in your browser, so your data never leaves your device.

How to use Heat Pump COP & Energy Efficiency Calculator

Enter Coefficient of Performance, Heating Hours per Year and Average Heating Demand.
Adjust the remaining options (Electricity Cost and Base Resistance COP) to match your case.
Read Heat Pump Annual Heating Cost, Base Electric Resistance Cost and Annual Heating Cost Savings in the results panel — copy or download what you need.

Key features

Shows Heat Pump Annual Heating Cost ($)
Shows Base Electric Resistance Cost ($)
Shows Annual Heating Cost Savings ($)
5 adjustable inputs, results update as you type
No signup, no limits

Frequently asked questions

Is this calculation free and private?: Yes, 100% of calculations execute locally in your web browser. No inputs or personal data are stored or transmitted.
What does the Heat Pump COP & Energy Efficiency Calculator give me?: It works out Heat Pump Annual Heating Cost, Base Electric Resistance Cost, Annual Heating Cost Savings and Estimated Equivalent HSPF Rating, updating live as you change the inputs.
What do I need to enter?: Just Coefficient of Performance, Heating Hours per Year, Average Heating Demand, Electricity Cost and Base Resistance COP. Every field has a sensible default you can start from.
Is my data uploaded anywhere?: No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.
Does it work on a phone?: Yes. The layout adapts to small screens and needs no app or signup.

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