Baxi HP40 Monobloc Air Source Heat Pump 

The Boiler Upgrade Scheme is a Government grant of £7,500 to support with the upfront costs of installing low carbon heating systems, such as an air source heat pump, subject to eligibility. A temporary uplift of £1,500 was also introduced in July 2026 to provide additional support for off-grid property owners.

Because air source heat pumps work at lower flow temperatures than traditional boilers, you may need to make some modifications to your home to ensure it delivers the right level of heating and operates efficiently. This can include upgrading your radiators, amongst other modifications. 

Air source heat pumps are perfectly capable of working alongside a boiler in what is known as a hybrid system. This approach combines the strength of both systems, making for an efficient and reliable solution.  

Yes, air source heat pumps still work effectively even in colder conditions. A defrost cycle ensures that the unit remains clear of frost and ice and continues to work as you expect.