Live demo
Heat pump sound simulator
Play a real heat pump recording through a speaker placed where the unit would go, then use the built-in decibel meter to check how it sounds from anywhere around your home.
How this works: method, sources and limits.
Embed this on your website
Lets visitors hear a real heat pump on your own site.
More tools
Savings calculator
Sizes heat pumps, solar, and batteries for a specific UK property, then estimates costs, savings, and carbon reduction.
Grant finder
Enter a postcode and answer a few short questions to see which UK grants and funding schemes a household could get.
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.
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.