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Main - Boiler Efficiency Ratings

Boiler Efficiency Rating

You can find out the energy efficiency of your boiler by checking its energy rating; you can do this now by selecting the make and model below.

A boiler’s energy rating is an indicator of its efficiency when used within an average domestic household. It's a great benchmark for comparing new boilers and can help you work out how much money you could save on energy bills if you replaced your current boiler with a more efficient model.

For new boiler installations call British Gas Boilers on 0800 327 7119 for a no-obligation quote. Alternatively visit Boiler Guide to request quotes from independent local and regional heating engineers.

Main Boilers

ModelTypeFuelEfficiencyMore Info
Main 12 HE Condensing Gas 86.4% More Info
Main 12 HE A Condensing Gas 90.5% More Info
Main 15 HE Condensing Gas 86.2% More Info
Main 15 HE A Condensing Gas 91.3% More Info
Main 18 HE Condensing Gas 86.2% More Info
Main 18 HE A Condensing Gas 90.4% More Info
Main 24 HE Condensing Gas 86.2% More Info
Main 24 HE A Condensing Gas 90.9% More Info
Main 30 HE A Condensing Gas 90.9% More Info
Main 9 HE Condensing Gas 86.1% More Info
Main Combi 25 Eco Condensing Gas 91.0% More Info
Main Combi 30 Eco Condensing Gas 90.1% More Info
Main Combi 24 HE Condensing Gas 87.3% More Info
Main Combi 30 HE Condensing Gas 87.3% More Info
Main Combi 24 Non-Condensing Gas 78.6% More Info
Main Combi Eco Classic 24 Condensing Gas 91.0% More Info
Main Combi Eco Classic 30 Condensing Gas 90.1% More Info
Main Combi Eco Elite 25 Condensing Gas 91.0% More Info
Main Combi Eco Elite 30 Condensing Gas 90.1% More Info
Main System 24 HE Condensing Gas 87.4% More Info
Main System 18 HE Condensing Gas 87.4% More Info
Main System 28 HE Condensing Gas 87.3% More Info
Main System 24 Eco Condensing Gas 91.1% More Info
Main System 28 Eco Condensing Gas 90.2% More Info
Main System Eco Elite 24 Condensing Gas 91.1% More Info
Main System Eco Elite 28 Condensing Gas 90.2% More Info