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Gerkros 90 120 Oil Condensing Boiler Cosyman Oil - 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.

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Gerkros 90 120 Oil Condensing Boiler Cosyman Efficiency

SAP seasonal efficiency91.4%
Rating bandBand A


ManufacturerGerkros Boilers
Model90 120 Oil Condensing Boiler Cosyman
Fuel TypeOil
Flue TypeOpen or Room-Sealed
FanNo Fan
Output (kW)27.06 - 35.67
Boiler ID
Manufactured From/To2007 - current


The Gerkros 90 120 Oil Condensing Boiler Cosyman is an 'A' rated boiler which has an excellent efficiency of 91.4%.

The 90 120 Oil Condensing Boiler Cosyman is a Condensing Conventional boiler with a maximum power output of 35.67kw that uses Oil as its fuel source.

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

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