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Grant Vortex Blue Internal Regular review

£2,327.00 Typical price

Brand score %

Key features
  • Oil
  • Heat-only or regular

Grant claims its Vortex Blue range of oil-fired, heat-only boilers burns with a blue flame that’s ‘greener’ than ever before, so it should help to heat your home very efficiently. But would owners of Grant boilers recommend them? And how reliable are they? Read our full review to find out.

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?
  • What controls does this boiler have?
  • Is this boiler smart compatible?
  • What is the warranty with 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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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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