Live demo
Grant finder
Your users enter a postcode and answer a few short questions to see what funding they could get: the £7,500 heat pump grant, free insulation schemes, council upgrades worth up to £30,000. Each result links to the official government page, with the date we last checked the scheme.
How this works: method, sources and limits.
Embed this on your website
Answers “what help can I get?” on your own site, with scheme data checked against official sources on a rolling cycle.
More tools
Savings calculator
Sizes heat pumps, solar, and batteries for a specific UK property, then estimates costs, savings, and carbon reduction.
Boiler escape plan
Helps homeowners plan a boiler replacement before it breaks down, with a personalised readiness plan and calendar reminders. Covers gas, oil and LPG.
Radiator check
Which radiators would need changing for a heat pump, and which are a straight swap – from the radiator type in each room, no measuring.
Installer finder
Postcode search for nearby renewable energy installers, filtered by technology, with contact details and MCS verification links.
Home energy technology visualiser
Preview a life-size heat pump, hot water cylinder, home battery or solar inverter in your own space using augmented reality on a phone or tablet. No app download.
Sound simulator
Play a real heat pump recording and measure the decibel level from anywhere around the home using the phone microphone.
3D house tour
A 3D cutaway of an all-electric home: heat pump, hot water, radiators, solar, a battery, car charging and cooking, with a guided tour of how it fits together.
Watt's House
The same all-electric house, explored with Watt the cat. Send him round the house and whatever he sits beside is explained.