News, Views & Reviews on Domestic Central Heating, Boiler & Renewable Energy


Get Free, No Obligation Boiler Quotes

Myson Combustion Products Midas si 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.

Myson Combustion Products Midas si Efficiency

SAP seasonal efficiency70%
Rating bandUnknown


ManufacturerMyson Combustion Products Boilers
ModelMidas si
Fuel TypeGas
Flue TypeRoom-Sealed
FanFan Assisted
Output (kW)29.3 - 29.3
Boiler ID4749402
Manufactured From/ToUnknown - 1991


The Myson Combustion Products Midas si is unrated, this probably means it's obsolete or very old.

The Midas si is a Non-Condensing Combi boiler with a maximum power output of 29.3kw that uses Gas as its fuel source.

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

Similar Myson Combustion Products Boilers to the Midas si
(Non-Condensing Gas Combi)

Results ordered by efficiency. Some models may be obsolete.

Most Efficient Combi Gas Boilers