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Heat Pump Finder: Build Your Own Top 10

Choose what matters to you, weight it, and we’ll rank 4,959 heat pumps on their published specifications. Free and independent.

1. What are you looking for?

Output is the maximum heating capacity. Not sure what size you need? Try the size calculator.

2. Pick up to four priorities

3. Weight them

Slide right to make a priority count for more. Percentages show each one’s share of the final score.

Your top 10

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How is the score calculated?

Each heat pump is scored 0–10 on every criterion you pick, scaled between the 5th and 95th percentile of the heat pumps in your filtered range (so one extreme model can’t distort the scale). Lower is better for noise, weight, cold operation, price and GWP. Scores are combined using your weights into a total out of 100. Only heat pumps that publish every selected figure are ranked. SCOP is taken at 35 °C flow and COP at A7/W35 so models are compared at the same conditions.

Prefer our fixed rankings? See the best heat pumps of the year, or check a shortlist against the 37 dB noise limit.