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29 June 2021

Ariston boilers rated

Find out how reliable Ariston boilers are, what Ariston owners think of their boilers and what trusted boiler engineers make of the Ariston brand
Matthew Knight

Ariston sells its boilers in more than 150 countries and has been operating in the UK for almost 50 years. Ariston says its boilers are valued by experts and professionals due to its constant efforts to redesign and innovate. 

Ariston has a range of combi, heat-only and system boilers that are suitable for nearly any type of home. You can find more details about the individual products in these ranges in our Ariston boiler reviews.

More than 7,500 members of the general public take part in our annual boiler brand reliability and customer satisfaction survey, enabling us guide you to the best and worst boiler brands. We also conduct a survey with more than 153 trusted boiler engineers to get their independent views on which boiler brands are the best.

Which? verdict on Ariston boilers

Below, we've collated all of our survey results for Ariston boilers. This includes information on how reliable Ariston boilers are, how their owners rate them, what trusted heating engineers think of the build quality and much more.

Which? members can log in to view what owners and engineers make of Ariston in the table below. If you're not already a member, try Which? to unlock our table. You'll also get access to all of our boiler reviews.

Overall score
Customer score
Engineer recommendation
Build quality
Availability of parts and spares
Ease of fixing a common fault
Ease of servicing
Table notes The reliability and customer score are based on responses from a May and June 2020 survey of 7,500 boiler owners. Engineer recommendation, build quality, availability of parts and spares, and ease of fixing a common fault and ease of servicing are based on responses to a June 2020 survey of 153 Which? Trusted Traders heating engineers.

How much do Ariston boilers cost?

Ariston boilers can cost anywhere between £600 and £1,100, depending on their size and type.

Ariston boilers installation

Expect to pay up to £1,500 for a new boiler in a new position. See our guide to the cost of installing a boiler for more guidance.

Ariston servicing and warranties

Most Ariston boilers come with a two-year or five-year warranty, depending on the boiler and the accreditation level of your installer. 

Ariston warranties

0333 240 8777

Ariston Boiler parts and repairs

0333 240 6777 for stockists in your local area.

Ariston contact details

You can contact Ariston at the following address: 


Artisan Building

Hillbottom Road

High Wycombe


HP12 4HJ

Or through the Ariston website.

Ariston general enquiries and technical advice

0333 240 6666

Ariston servicing

0333 240 8777