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

Ariston CLAS HE R 24 NG EU review

Launched Assessed -

Typical price


Regular or heat-only boilers, such as the Clas HE R24 from Ariston, are often used to replace an old boiler in properties that are already set up with an open vented heating system. This condensing gas boiler is compatible with a range of wired or wireless controls – but can it be relied upon to keep your house warm all winter?
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