Heating as it should be.
The Fornax Heat Pump Plan offers the most flexible and comprehensive way to get the quality heating you deserve.
See below to find out why we are the leading choice for homeowners and landlords making the switch.
How We Compare.
| Fornax | Aira | Octopus | British Gas | |
|---|---|---|---|---|
| Choose the best equipment for your home | ✓Comprehensive selection | ✗Aira systems only | –Limited selection | –Limited selection |
| Choose from experienced local installers | ✓Always (vetted network) | ✗In-house only | ✗In-house only | ✗In-house only |
| Remote monitoring and optimisation | ✓ | ✓ | –Octopus tariff only | ✗ |
| Maximum Plan lengths* (financing term) | 12 years | 10 years | 10 years | 10 years |
| Servicing included? | ✓ | ✗£238/year (1st year free) | ✗£100+/year | ✗£250+/year |
| Annual service visit? | ✓ | ✗Every 2 years | ✓ | ✓ |
| Unlimited repairs included? | ✓ | –Service plan only | ✗ | ✗ |
| Transferable if you move | ✓ | ✗ | ✗ | ✗ |
*Subject to status and hire agreement; terms and conditions apply
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As of 1 June 2025
Aira
www.airahome.com/en-gb/heat-pumps
www.airahome.com/en-gb/how-does-aira-compare
Octopus Energy
octopus.energy/get-a-heat-pump/cosy-heat-pump/
octopus.energy/heat-pump-service-plans/
octopus.energy/smart/cosy-octopus/
British Gas
britishgas.co.uk/heating/air-source-heat-pumps.html
centrica.com/media-centre/news/2023/british-gas-gives-heat-pump-warmth-guarantee
britishgas.co.uk/cover/boiler-and-heating.html#cover
Everything is included.
No, Really.
Nobody likes hidden fees and extra charges. So with the Heat Pump Plan we give you one simple number: your monthly plan payment.
And because we take care of everything, you can sit back and enjoy up to 12 years of comfort and peace of mind.
Market leading support.
Every step of the way, we are there to make sure that you get the best outcomes, year after year. From pre-installation design review through to remote monitoring, and regular maintenance, everything is included in your single monthly payment.
And better still, in the unlikely event that anything does go wrong, we fix it at no cost.
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All equipment installed as part of your Heat Pump Plan is included.
Any existing equipment and pipework that is retained as part of your system is not covered by the guarantee.
Ready to upgrade?
Answer a few quick questions about your home and heating setup to find out what your heat pump plan could look like.