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Vaillant Thermocompact 615E 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.

Vaillant Thermocompact 615E Efficiency

SAP seasonal efficiency79.0%
Rating bandBand D


ManufacturerVaillant Boilers
ModelThermocompact 615E
Fuel TypeGas
Flue TypeRoom-Sealed
FanFan Assisted
Output (kW)15.0 - 15.0
Boiler IDVU GB 152-5
Manufactured From/To2000 - 2010


The Vaillant Thermocompact 615E is a 'D' rated boiler with an efficiency of 79.0%.

The Thermocompact 615E is a Non-Condensing Conventional boiler with a maximum power output of 15.0kw 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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(Non-Condensing Gas Conventional)

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