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Alde Slimline 2927 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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Alde Slimline 2927 Efficiency

SAP seasonal efficiency70%
Rating bandUnknown


ManufacturerAlde Boilers
ModelSlimline 2927
Fuel TypeGas
Flue TypeRoom-Sealed
FanFan Assisted
Output (kW)5.8 - 5.8
Boiler ID4104801
Manufactured From/To1985 - 1991


The Alde Slimline 2927 is unrated, this probably means it's obsolete or very old.

The Slimline 2927 is a Non-Condensing Combi boiler with a maximum power output of 5.8kw that uses Gas as its fuel source.

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

Most Efficient Combi Gas Boilers