Which? uses cookies to improve our sites and by continuing you agree to our cookies policy

Grant VortexBlue Combi 36 review

Launched Assessed -

Typical price


According to Grant its oil-fired VortexBlue Combi 36 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.
Is it worth your money?
Or is it a waste of cash?
  • Efficiency rating

    score is available for members only
  • Brand reliability

    score is available for members only
  • Brand customer score

    score is available for members only

The Which? difference

As well as thousands of impartial product reviews from our Test Labs, a Which? membership also gets you:

  • Unlimited access across which.co.uk
  • Advice on the move with our apps
  • Which? magazine delivered to your door
  • The inside scoop on important issues, from scams to savings accounts

Which? can help you make good decisions

Related articles