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Vaillant Thermocompact 615E Gas - Boiler Efficiency Ratings

Boiler Efficiency Rating

You can find out the energy efficiency of your boiler by checking its energy rating; you can do this now by selecting the make and model below.

A boiler’s energy rating is an indicator of its efficiency when used within an average domestic household. It's a great benchmark for comparing new boilers and can help you work out how much money you could save on energy bills if you replaced your current boiler with a more efficient model.

For new boiler installations call British Gas Boilers on 0333 230 5216 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.

Similar Vaillant Boilers to the Thermocompact 615E
(Non-Condensing Gas Conventional)

Results ordered by efficiency. Some models may be obsolete.

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