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Worcester 9/14 CBi RSF 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.

Worcester 9/14 CBi RSF Efficiency

SAP seasonal efficiency78.5%
Rating bandBand D


ManufacturerWorcester Boilers
Model9/14 CBi RSF
Fuel TypeGas
Flue TypeRoom-Sealed
FanFan Assisted
Output (kW)9 - 14
Boiler ID41-311-50
Manufactured From/To2001 - current


The Worcester 9/14 CBi RSF is a 'D' rated boiler with an efficiency of 78.5%.

The 9/14 CBi RSF is a Non-Condensing Conventional boiler with a maximum power output of 14kw that uses Gas as its fuel source.

Being a 'D' rated boiler it would be worthwhile replacing it with a higher efficiency 'A' rated boiler.

Similar Worcester Boilers to the 9/14 CBi RSF
(Non-Condensing Gas Conventional)

Results ordered by efficiency. Some models may be obsolete.

Most Efficient Conventional Gas Boilers