Gas Boiler vs Heat Pump
| Gas Boiler | Air Source Heat Pump | |
|---|---|---|
| Install cost | £1,500–4,000 | £8,000–15,000 |
| After BUS grant (£7,500) | \u— | £500–7,500 |
| Annual running cost | £900–1,200 | £700–1,000 |
| Lifespan | 12–15 years | 20–25 years |
| Needs new radiators? | No | Often yes (larger ones) |