Gas boilers are still a staple in homes across the UK, but many households don’t realise just how much more efficient their existing heating systems could be. With a few smart upgrades and simple tweaks, you can reduce energy waste, cut heating bills, and stay cosy all year round. Here are 10 practical ways to get the most out of your heating system and boost your home energy efficiency – no full replacement required.
Boost your Home Energy Efficiency
1. Install Thermostatic Radiator Valves (TRVs)
If your radiators don’t have TRVs, you could be wasting heat. These clever valves automatically adjust the hot water flow based on each room’s temperature, so you’re not overheating spaces you’re barely using.
2. Upgrade to a Smart Thermostat
Old thermostats can be inefficient. Modern smart thermostats – with features like modulation – can fine-tune your heating for maximum efficiency. Switching could save you up to 12% a year on heating costs.
3. Add Weather or Load Compensation
Weather-compensated controls automatically adjust your boiler output based on the indoor and outdoor temperature. This ensures the boiler only works as hard as needed – ideal for homes with big windows or less insulation.
4. Create Heating Zones
Why heat the whole house when you only need warmth in a few rooms? Zoning lets you control different areas independently, reducing energy waste.
5. Lower the Flow Temperature
If you have a combi boiler, try lowering the flow temperature to around 55°C. This helps the system run more efficiently – just make sure your radiators are balanced and your system is clean for the best results.
6. Maintain the System Water
Over time, sludge and debris can build up in your heating system, reducing efficiency. A system flush, magnetic filter, or regular water treatment will keep your boiler running smoothly and your bills lower.
7. Balance Your Radiators
Balancing ensures that every radiator heats evenly. Not only does this improve comfort, but it also allows the boiler to operate at lower temperatures without compromising warmth.
8. Improve Home Insulation
Up to 25% of heat can escape through an uninsulated roof. Adding at least 270mm of loft insulation, plus lagging pipes and tanks, will lock in warmth and prevent unnecessary energy loss.
9. Seal Draughts
Small gaps around doors, floors, and windows let warm air escape and cold air in. Draught-proofing strips and excluders are simple, affordable fixes with a big impact on comfort.
10. Consider Replacing the Boiler (If Needed)
If your boiler is old, unreliable, or inefficient, it may be time to upgrade. A modern condensing boiler can cut both your fuel bills and carbon footprint – especially if you plan on staying in your home long-term.
Final Thoughts
Boosting your home’s energy efficiency doesn’t always mean ripping out your boiler.
With the right combination of smart controls, maintenance, and insulation, you can enjoy lower bills, a warmer home, and a greener footprint.
If you’d like expert help with any of these upgrades – whether it’s installing TRVs, balancing radiators, or replacing an old boiler – our team is ready to help.
