Tools
Tools that answer questions about your own home: which grants you might get, what a heat pump would cost to run, what one sounds like and whether it fits. Most work from your postcode or your phone. None needs an account.
- Savings calculator
Estimate what a heat pump, solar panels or a battery would cost and save in your home.
Needs your postcode
- Grant finder
Your postcode and four questions show which UK grants you might get.
Needs your postcode
- Boiler escape plan
Work out when to replace a working gas, oil or LPG boiler, and what to do before then.
Needs your boiler's age
- Installer finder
Heat pump, solar and battery installers near you, each with a link to the MCS register.
Needs a postcode
- Heat pump visualiser
See a true-size heat pump or hot water cylinder where you'd put it.
Needs a phone camera
- Sound simulator
Play a real heat pump recording and measure it from your windows and garden.
Needs a phone and a speaker
- 3D house tour
A cutaway house showing every part of a heat pump system, with solar panels and a battery.
Needs nothing
Where they come from
The tools are made by KarbonKit. Each page here embeds one exactly as any other website would. If you run a website for a council, installer or community group, you can put them on it for free.