Built to Last

ATAG truly is a unique company.

Not only is our ‘i’ range of boilers the most efficient in Europe, they’re also precision engineered and built to last.

Every ATAG boiler carries a 10 year warranty as standard and they’re professionally installed by our ATAG Selected Partners.

Peace of mind

Buying a new boiler is a considerable investment and you need to be sure that it’s going to keep you warm for years to come. That’s why every ATAG boiler comes with a 10 year warranty on all parts and labour.

Engineered to last

From our advanced facilities in Lichtenvoorde, the Netherlands, we manufacture boilers that are trusted throughout the world.

We’ve been manufacturing boilers for almost 70 years. In 1983 we chose to focus solely on manufacturing super-efficient heating products and became active in the UK in 2001. In 2013, we launched our iCon heat exchanger, the “beating heart” inside all of our boilers. A heat exchanger is the ‘engine’ of any boiler, and ours is truly unique. Made with high grade stainless steel, not only does it outperform everything else on the market, it also carries a lifetime replacement guarantee.

Reducing your heating bills

For homeowners looking for even greater savings, our boiler range is the most energy efficient in Europe and can help cut your annual gas bills by up to £320 (Energy Saving Trust, April 2017).

Keeping your home safe

To ensure the highest safety standards in UK homes, we only supply our boilers to carefully selected and legally qualified Gas Safe registered installers. These are our ATAG Selected Partners (ASPs). Our ASPs are on hand to visit your home and provide expert advice. They know how to install ATAG boilers correctly and service them regularly. And after your boiler is installed, should you require assistance, our warranty helpline is open 24 hours a day, 365 days a year.

At ATAG we’re passionate about what we do. We’re proud of our high performing and super-efficient boilers and firmly believe that, due to their build quality, they have the lowest cost of ownership in Europe. In fact, it’s this commitment that’s led ATAG to being rated number one boiler manufacturer on independent review site Trustpilot, voted for by UK consumers.


To keep the warranty valid you must have an annual service completed by a Gas Safe registered installer. Please note the 10 year warranty is solely applicable to the i-series range, exclusive to ATAG Heating Technology.