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Vaillant Thermocompact VU 142 EH 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 VU 142 EH Efficiency

SAP seasonal efficiency75.8%
Rating bandBand E


ManufacturerVaillant Boilers
ModelThermocompact VU 142 EH
Fuel TypeGas
Flue TypeRoom-Sealed
FanFan Assisted
Output (kW)14.0 - 14.0
Boiler IDVU GB 142/1EH
Manufactured From/To1998 - 2000


The Vaillant Thermocompact VU 142 EH is an 'E' rated boiler with an efficiency of 75.8%.

The Thermocompact VU 142 EH is a Non-Condensing Conventional boiler with a maximum power output of 14.0kw that uses Gas as its fuel source.

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

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(Non-Condensing Gas Conventional)

Results ordered by efficiency. Some models may be obsolete.

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