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Main - Boiler Efficiency Ratings

Boiler Efficiency Rating

You can check your boilers rating by selecting it's make and model below. Ratings are based on the SEDBUK Rating which is an indicator of its efficiency when used within an average domestic household, it's a great benchmark for comparing new boilers and also assessing whether your current boiler would be better off being replaced due to low efficiencies.

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