HeatPumpSwitch › Tools › Heat pump running-cost calculator

Heat pump running-cost calculator

Enter what you burn now. This works out the heat your home actually needs, then what a heat pump would cost to deliver the same heat — and shows every step, so you can check it against your own bill.

House type (fills in the assumptions)

Current heating fuel

Annual consumption

Unit

Realistic SCOP

Installed cost before grant (GBP)

Existing boiler is condensing (post-2005) I will move to a heat pump electricity tariff Property is off the gas grid

The link carries your inputs, so you can bookmark this result, send it to whoever you share the bills with, or paste it under a forum question. Nothing is stored on a server — the numbers travel in the address bar.