Heat Pump vs Oil & Gas Boilers
How heat pumps compare to oil and gas boilers on running cost, upfront cost, emissions, and long-term reliability.
Get Your Free Quote →Annual Running Cost Comparison
Figures based on a typical 3-bed semi-detached home. Actual costs vary with insulation, system size, and tariff. See our full Heat Pump Costs Ireland guide.
Full Comparison
| Oil Boiler | Gas Boiler | Heat Pump | |
|---|---|---|---|
| Typical installed cost | €4,000–€7,000 | €3,000–€5,500 | €12,000–€18,000 |
| SEAI grant available | No | No | Up to €12,500 |
| Direct emissions | Yes — CO2 and particulates | Yes — CO2 | None on-site |
| Fuel source | Delivered oil, tank required | Piped gas connection | Electricity |
| Typical lifespan | 15–20 years | 10–15 years | 15–20 years |
| VAT rate | 9% | 9% | 9% |
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Heat Pump vs Boiler FAQ
Yes, typically. Gas is cheaper than oil to run, but a heat pump still runs cheaper than gas in most well-insulated homes, and the SEAI grant offsets much of the higher upfront cost.
Yes, though most homeowners disconnect to avoid the standing charge once the boiler is no longer in use.
No. The €4,000 renewable heat bonus applies equally whether you’re switching from oil, gas, solid fuel, or electric storage heating.