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Powermax 185 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.

Powermax 185 Efficiency

SAP seasonal efficiency81.8%
Rating bandBand D


ManufacturerPowermax Boilers
Fuel TypeGas
Flue TypeRoom-Sealed
FanFan Assisted
Output (kW)18.3 - 18.3
Boiler ID87AQ149
Manufactured From/To1993 - current


The Powermax 185 is a 'D' rated boiler with an efficiency of 81.8%.

The 185 is a Non-Condensing CPSU boiler with a maximum power output of 18.3kw 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 Powermax Boilers to the 185
(Non-Condensing Gas CPSU)

Results ordered by efficiency. Some models may be obsolete.

Most Efficient CPSU Gas Boilers