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Grant Vortex Blue External Regular review

£2,425.00 Typical price

Brand score %

Key features
  • Oil
  • Heat-only or regular
Reviewed

If you’re short of space indoors, an external oil-fired boiler could be just what you need. The Grant Vortex Blue External can cope with harsh winter weather and has an ErP A rating for heating efficiency. Our full review will tell you everything you need to know about this heat-only boiler, including how reliable the Grant brand is and how well respected it is by expert heating engineers.

Included in our expert review
  • Pros and cons
  • Heating engineer views
  • What type of home is this boiler suitable for?
  • Will this boiler produce enough hot water for my home?
  • How efficient is this boiler?
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Brand scores

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

Find out how we assess boilers>
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Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

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