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) | \u2014 | \£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) |