Free UK boiler and heating calculators: estimate installation costs for boilers, central heating, underfloor heating and water heaters, compare heating options on installation and running cost, and check appliance energy use. All figures are indicative ranges based on published 2026 UK data.
- Air Conditioning Energy Use Calculator
- Air Fryer Energy Use Calculator
- Central Heating Installation Cost Calculator
- Combi Boiler Installation Cost Calculator
- Combi Boiler vs System Boiler Cost Calculator
- Condensing Boiler Installation Cost Calculator
- Condensing Boiler vs Combi Cost Calculator
- Electric Boiler Installation Cost Calculator
- Electric Boiler vs Gas Boiler Cost Calculator
- Electric Boiler vs Oil Boiler Cost Calculator
- Immersion Heater Installation Cost Calculator
- Immersion Heater vs Boiler Cost Calculator
- New Boiler Installation Cost Calculator
- Underfloor Heating Installation Cost Calculator
- Water Heater Installation Cost Calculator
- Water Heater vs Boiler Cost Calculator