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Grant Vortex Blue Combi review

£2,883.00 Typical price

Brand score %

Key features
  • Oil
  • Combi

According to Grant its oil-fired Vortex Blue Combi boiler features a large heat exchanger for improved hot-water efficiency. There are three boilers in the range and as they’re floor standing you’ll need to find adequate space to install one, perhaps in a utility room. Read on to discover whether our latest brand reliability survey uncovered any problems with Grant boilers.

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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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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