Guides Energy Badger
Last updated 13 June 2026
Air Source Heat Pumps (ASHPs) are rapidly becoming the preferred low-carbon heating solution for UK homes. This guide explains how they work, their benefits, costs, and what homeowners should consider before installation.
Air Source Heat Pumps (ASHPs) are rapidly becoming the preferred low-carbon heating solution for UK homes. This guide explains how they work, their benefits, costs, and what homeowners should consider before installation.
ASHPs extract heat from the outside air and transfer it into your home using a refrigerant cycle. They provide both space heating and hot water.
| Item | Estimated Cost |
|---|---|
| Installation | £7,000 – £13,000 |
| BUS Grant | Up to £7,500 |
| Net Cost | £2,500 – £6,000 |
✔ Good insulation levels
✔ Space for an outdoor unit
✔ Hot water cylinder
✔ Larger radiators or underfloor heating
✔ Adequate electrical supply
When paired with solar PV or smart tariffs, running costs can be significantly reduced. Many homeowners experience similar or lower heating costs compared to gas boilers.
Do heat pumps work in cold weather?
Yes, modern systems operate efficiently even below freezing.
Are they noisy?
No, most units are quieter than typical household appliances.
Can they replace my existing boiler?
Yes, with appropriate system design.
Energy Badger provides expert guidance, ensuring your home is heat pump-ready and helping you access available grants.
Upgrade to low-carbon heating today.
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