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Sime Ecomfort System 25 HE Gas - 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 0333 230 5216 for a no-obligation quote. Alternatively visit Boiler Guide to request quotes from independent local and regional heating engineers.

Sime Ecomfort System 25 HE Efficiency

SAP seasonal efficiency88.1%
Rating bandBand B


ManufacturerSime Boilers
ModelEcomfort System 25 HE
Fuel TypeGas
Flue TypeOpen or Room-Sealed
FanFan Assisted
Output (kW)24.7 - 24.7
Boiler ID
Manufactured From/To2007 - current


The Sime Ecomfort System 25 HE is a 'B' rated boiler which has good efficiency of 88.1%.

The Ecomfort System 25 HE is a Condensing Conventional boiler with a maximum power output of 24.7kw that uses Gas as its fuel source.

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

Similar Sime Boilers to the Ecomfort System 25 HE
(Condensing Gas Conventional)

Results ordered by efficiency. Some models may be obsolete.

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