Average cost breakdown
| Item | Low | Mid | High |
|---|---|---|---|
| Combi boiler (supply only) | €900 | €1,400 | €2,200 |
| Standard install | €1,800 | €2,600 | €3,400 |
| System boiler swap | €2,200 | €3,000 | €4,000 |
| Full system upgrade | €3,500 | €4,500 | €6,500 |
Factors affecting price
- Boiler brand (Worcester, Vaillant, Ideal)
- Conversion from oil/gas
- Flue position and pipework
- Removal of old boiler
How to get the best quote
- Use a Bord Gáis-registered (RGI) installer
- Ask about a 10-year warranty
- Check SEAI grant eligibility
- Get itemised quotes
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