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Biasi Riva Plus M90D. 28S LPG - 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.

Biasi Riva Plus M90D. 28S Efficiency

SAP seasonal efficiency80.1%
Rating bandBand D


ManufacturerBiasi Boilers
ModelRiva Plus M90D. 28S
Fuel TypeLPG
Flue TypeRoom-Sealed
FanFan Assisted
Output (kW)28.4 - 28.4
Boiler ID47-970-16
Manufactured From/To2002 - current


The Biasi Riva Plus M90D. 28S is a 'D' rated boiler with an efficiency of 80.1%.

The Riva Plus M90D. 28S is a Non-Condensing Combi boiler with a maximum power output of 28.4kw that uses LPG as its fuel source.

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

Similar Biasi Boilers to the Riva Plus M90D. 28S
(Non-Condensing LPG Combi)

Results ordered by efficiency. Some models may be obsolete.

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