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Ariston E-System evo 24 Gas - 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.

Ariston E-System evo 24 Efficiency

SAP seasonal efficiency90.1%
Rating bandBand A


ManufacturerAriston Boilers
ModelE-System evo 24
Fuel TypeGas
Flue TypeRoom-Sealed
FanFan Assisted
Output (kW)21.6 - 21.6
Boiler ID
Manufactured From/To2012 - current


The Ariston E-System evo 24 is an 'A' rated boiler which has an excellent efficiency of 90.1%.

The E-System evo 24 is a Condensing Conventional boiler with a maximum power output of 21.6kw that uses Gas as its fuel source.

As this boiler is 'A' rated it will provide efficient heating and subsequently reduce fuel bills and carbon dioxide emissions.

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(Condensing Gas Conventional)

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