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Ariston Microgenus 27 MFFI 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.

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Ariston Microgenus 27 MFFI Efficiency

SAP seasonal efficiency80.2%
Rating bandBand D


ManufacturerAriston Boilers
ModelMicrogenus 27 MFFI
Fuel TypeGas
Flue TypeRoom-Sealed
FanFan Assisted
Output (kW)27.8 - 27.8
Boiler IDGC No. 47-116-15
Manufactured From/To1999 - 2007


The Ariston Microgenus 27 MFFI is a 'D' rated boiler with an efficiency of 80.2%.

The Microgenus 27 MFFI is a Non-Condensing Combi boiler with a maximum power output of 27.8kw 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.

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