Get answers to your burning questions about how heat pumps and boilers differ in technology, cost and other important areas.
How much it costs to install an air source heat pump, and how much it could save on your heating bills.
Get a £750 discount on the purchase and installation of an air source heat pump through EDF energy.
Offer ends 31 August 2026.
Open to Which? members only.
Geographical availability - England, Wales & Central Belt of Scotland
Get a £500 discount on the purchase and installation of a Good Energy heat pump, plus a free virtual home heating design survey, worth £125.
Offer ends 31 August 2026.
Open to Which? members only.
Geographical availability - South & South West England
£250 off installations valued between £7,500 and £10,00
£375 off installations valued between £10,001 and £15,000
£500 off installation valued over £15,001.
Offer ends 31 August 2026.
Open to Which? members only.
Geographical availability - North of England, the Midlands & Scotland
Capped at 100 customers
Pay for the purchase and installation of a heat pump and get a full heat loss calculation and report valued at £444 or 2 radiators, valued at £400.
Offer ends 31 August 2026.
Open to Which? members only.
Geographical availability - South Central & South West England
There are three separate offers available through three Which? Trusted Traders, available with the purchase and installation of a heat pump. The offers available vary from provider to provider as outlined above.
The selected providers are each a Which? Trusted Trader and therefore have passed the rigorous assessment set by our trading standards professionals. We selected the providers because they cover a number of geographical locations meaning our members have accessibility to the offer, as well as the quality of their offers and ability to deliver.
Which? will receive a commission once installation has been successfully completed. This commission helps fund our mission to continue as the UK’s consumer champion.
Certain offers may be removed due to being capped as outlined on the offer landing page. We may also choose to add offers from new brands to ensure that consumers have a selection of offers available and have the option to choose the one that works best for them.