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Grant Vortex 26-36 Boilerhouse Oil - 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.

Grant Vortex 26-36 Boilerhouse Efficiency

SAP seasonal efficiency97%
Rating bandBand A


ManufacturerGrant Boilers
ModelVortex 26-36 Boilerhouse
Fuel TypeOil
Flue TypeOpen or Room-Sealed
FanFan Assisted
Output (kW)26 - 36
Boiler ID
Manufactured From/To2010 - current


The Grant Vortex 26-36 Boilerhouse is an 'A' rated boiler which has an excellent efficiency of 97%.

The Vortex 26-36 Boilerhouse is a Condensing Conventional boiler with a maximum power output of 36kw that uses Oil as its fuel source.

As this boiler is 'A' rated it will provide efficient heating and subsequently reduce fuel bills and carbon dioxide emissions.

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