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) |