Oil Boiler Replacement: Should You Switch to Renewables Instead?
If your oil boiler is on its last legs, you’re probably wondering what to replace it with. Another oil boiler might seem like the simplest option, but with rising fuel prices, changing government regulations, and the push for greener energy, more UK residents are asking the question: Should I switch to a renewable heating system instead?
The answer depends on your property type, and long-term goals – but in many cases, renewables will likely save you money and future-proof your home. Let’s explore your options.
The Case for Replacing Your Oil Boiler with Another Oil Boiler
Oil boilers are common in rural UK homes, especially where there’s no mains gas supply. Replacing like-for-like can be:
- Familiar and straightforward – no big changes to your heating system
- Quicker to install – often just a simple swap
- Reliable for high heat demands – especially in older or larger properties
However, oil prices have been volatile in recent years, and oil heating produces more carbon emissions than most other domestic heating fuels. It’s worth considering whether this is the right time to break away from oil altogether.
Why Renewables Are Worth Considering
Switching to a renewable heating system could:
- Reduce your fuel bills – especially with heat pumps and solar panels, which are far more efficient to run
- Lower your carbon footprint – helping the UK meet net zero targets
- Protect you from future regulation changes – the UK government has previously considered a phase out of new fossil fuel boilers
- Unlock grants and incentives – schemes like the Boiler Upgrade Scheme can give you up to £7,500 towards a heat pump
Renewable Heating Options to Replace Oil
Air Source Heat Pumps
- Extract heat from the outside air, even in winter
- Ideal for well-insulated homes
- Low running costs and minimal maintenance
Solar Panels
- Uses panels on your properties roof
- Often used alongside another heating system
- Works best in combination with heat pumps for year-round performance
Cost Comparison: Oil vs Renewables
While an oil boiler replacement might cost £3,000–£5,000, a renewable system might be completely free, if eligible for a grant. Also:
- Running costs for renewables are generally lower
- Maintenance can be less intensive (especially for heat pumps)
- If eligible, ECO4 Grants mean you can receive these measures 100% free.
Is Your Home Ready for Renewables?
Before switching, consider insulation – heat pumps work best in energy-efficient homes. If you receive a free heat pump and solar panels via the ECO4 scheme, you will likely also receive insulation measures too.
Final Thoughts
If you’re facing an oil boiler replacement, it’s the perfect time to explore renewable alternatives. While another oil boiler might feel like the easiest option today, investing in renewables could bring lower bills, fewer carbon emissions, and protection against future regulation changes.
With government incentives currently available, there’s never been a better time to make the switch.
💡 Tip: Speak with our team today and we can give you a performance comparison based on your home, so you can make a confident decision.
Do you want to check your eligibility for an ECO4 grant?
Gary is the Operations Manager at Fairway Energy and a specialist in renewable energy and technology, with over 15 years’ experience. He has in-depth expertise in energy-efficient measures for residential properties and UK government-backed grant schemes and funding.