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Ariston - 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.

Ariston Boilers

ModelTypeFuelEfficiencyMore Info
Ariston ACO 27 MFFI Condensing Gas 90.4% More Info
Ariston ACO 27 RFFI Condensing Gas 90.5% More Info
Ariston ACO 32 MFFI Condensing Gas 90.4% More Info
Ariston ACO 32 RFFI Condensing Gas 90.5% More Info
Ariston ACO 35 HP MFFI ACO 35 HP MFFI Condensing Gas 90.2% More Info
Ariston Clas 21 FF System Non-Condensing Gas 80.4% More Info
Ariston Clas 24 FF Non-Condensing Gas 80.3% More Info
Ariston Clas 28 FF System Non-Condensing Gas 80.4% More Info
Ariston Clas HE 18 System Condensing Gas 90.2% More Info
Ariston Clas HE 24 Condensing Gas 90.3% More Info
Ariston Clas HE 24 System Condensing Gas 90.4% More Info
Ariston Clas HE 30 Condensing Gas 90.3% More Info
Ariston Clas HE 38 Condensing Gas 90.1% More Info
Ariston Clas HE evo 24 Condensing Gas 90.0% More Info
Ariston Clas HE evo 30 Condensing Gas 90.1% More Info
Ariston Clas HE evo 38 Condensing Gas 90.1% More Info
Ariston Clas HE R 12 Condensing Gas 90.2% More Info
Ariston Clas HE R 18 Condensing Gas 90.2% More Info
Ariston Clas HE R 24 Condensing Gas 90.4% More Info
Ariston Clas HE System 30 Condensing Gas 90.4% More Info
Ariston Clas HE System evo 18 Condensing Gas 90.2% More Info
Ariston Clas HE System evo 24 Condensing Gas 90.1% More Info
Ariston Clas HE System evo 30 Condensing Gas 90.2% More Info
Ariston Combi A 24 MFFI Combi A Condensing Gas 90.3% More Info
Ariston Combi A 30 MFFI Combi A Condensing Gas 90.3% More Info
Ariston E-Combi 24 Condensing Gas 90.3% More Info
Ariston E-Combi 30 Condensing Gas 90.3% More Info
Ariston E-Combi 38 Condensing Gas 90.1% More Info
Ariston E-Combi evo 24 Condensing Gas 90.0% More Info
Ariston E-Combi evo 30 Condensing Gas 90.1% More Info
Ariston E-Combi evo 38 Condensing Gas 90.1% More Info
Ariston E-System 24 Condensing Gas 90.4% More Info
Ariston E-System 30 Condensing Gas 90.4% More Info
Ariston E-System evo 24 Condensing Gas 90.1% More Info
Ariston E-System evo 30 Condensing Gas 90.2% More Info
Ariston Ecocombi 27 MFFI microCONDENS Series Condensing Gas 90.4% More Info
Ariston Ecocombi 27 MFFI microCONDENS Series Condensing LPG 91.6% More Info
Ariston Ecogenus 24 MFFI Condensing Gas 88.4% More Info
Ariston Ecogenus 24 MFFI Mk2 Condensing Gas 89.7% More Info
Ariston Ecogenus 24 RFFI System Condensing Gas 88.5% More Info
Ariston Ecogenus 24 RFFI System Mk2 Condensing Gas 89.8% More Info
Ariston Ecosystem 27 RFFI microCONDENS Series Condensing Gas 90.5% More Info
Ariston Eurocombi A/23 MFFI Non-Condensing Gas 78.1% More Info
Ariston Eurocombi A/27 MFFI Non-Condensing Gas 78.9% More Info
Ariston Excalibur 23 MFFI Excalibur 80 MFFI Non-Condensing Gas 80.1% More Info
Ariston Excalibur 27 MFFI Excalibur 100 MFFI Non-Condensing Gas 79.4% More Info
Ariston Genus 27 BFFI Plus Non-Condensing Gas 78.1% More Info
Ariston Genus 27 BFFI Plus Mk2 Non-Condensing Gas 80.0% More Info
Ariston Genus 27 RFFI System Non-Condensing Gas 79.0% More Info
Ariston Genus 30 MFFI Non-Condensing Gas 79.3% More Info
Ariston Genus HE 24 Condensing Gas 90.3% More Info
Ariston Genus HE 24 System Condensing Gas 90.4% More Info
Ariston Genus HE 30 Condensing Gas 90.3% More Info
Ariston Genus HE 38 Condensing Gas 90.1% More Info
Ariston Genus HE System 30 Condensing Gas 90.4% More Info
Ariston Genus Plus 30 BFFI Non-Condensing Gas 79.2% More Info
Ariston Genus Plus 30 BFFI Non-Condensing LPG 81.0% More Info
Ariston Intesa TP 23 MFFI Non-Condensing Gas 80.2% More Info
Ariston Intesa TP 30 MFFI Non-Condensing Gas 79.9% More Info
Ariston Microcombi 23 MFFI Non-Condensing Gas 80.1% More Info
Ariston Microcombi 27 MFFI Micro Combi Series Non-Condensing Gas 79.4% More Info
Ariston Microcombi 27 MFFI MK2 Non-Condensing LPG 81.2% More Info
Ariston Microgenus 23 MFFI Non-Condensing Gas 80.3% More Info
Ariston Microgenus 24 HE MFFI Condensing Gas 87.6% More Info
Ariston Microgenus 27 MFFI Non-Condensing Gas 80.2% More Info
Ariston Microgenus 28 HE MFFI Condensing Gas 87.1% More Info
Ariston Microgenus 32 HE MFFI Condensing Gas 87.3% More Info
Ariston Microgenus II 24 MFFI Non-Condensing Gas 80.2% More Info
Ariston Microgenus II 24 MFFI Non-Condensing LPG 82.0% More Info
Ariston Microgenus II 28 MFFI Non-Condensing Gas 79.6% More Info
Ariston Microgenus II 28 MFFI Non-Condensing LPG 81.4% More Info
Ariston Microgenus II 31 MFFI Non-Condensing Gas 79.9% More Info
Ariston Microgenus II 31 MFFI Non-Condensing LPG 81.7% More Info
Ariston Microsystem 10 RFFI Non-Condensing Gas 78.2% More Info
Ariston Microsystem 15 RFFI Non-Condensing Gas 79.9% More Info
Ariston Microsystem 21 RFFI Non-Condensing Gas 80.4% More Info
Ariston Microsystem 28 RFFI Non-Condensing Gas 80.3% More Info