Heating
Heating — understand the numbers before you change
Start wherever makes sense for you. Understand heat pumps, compare running costs, use your home figures, or see how tariffs could change the result.
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Understand heat pumps
A plain-English guide to the five questions that matter before you replace your heating.
Read the Heat Pump GuideRun the numbers
Compare your current heating with a heat pump, new gas boiler or direct electric heating using the same amount of useful heat.
Open the Heating CalculatorStart with your home
Use your electricity and gas figures as the baseline for the wider heating comparison.
Open My EnergyCheck the tariff effect
A heat pump can materially change electricity demand, so see how different rates and cheap periods could affect the wider home.
Explore tariffsAre Heat Pumps Worth It in the UK? — Compare your current heating, realistic running costs and the extra installation cost before you switch.
- Understand
- Calculate
- Check the home
- Test the tariff
Home by Numbers keeps the explanation and the calculation connected, so you can test a heating change against the home you actually live in.