Get your New Boiler

with Installation from £995

Includes boiler, controls, installation and warranties up to 12 years.

How it works

Free Quote

Answer a few questions and select your preferred boiler.

Home Survey

An AT Boiler team member will schedule an at home survey.


We install your new boiler and provide any necessary aftercare.

Why Choose AT Boiler Company?

We make getting a new boiler easier than ever before.


Our finance deals give you an affordable option when the unexpected happens.


All of our new Boilers come with manufacturer warranties of up to 12 years.

Highly Rated

Read our reviews, over 97% of our customers would recommend AT Boilers.


Over 35 years of combined experience means you are in safe and trusted hands.

Gas Safe

Our engineers are Gas Safe Registered, to ensure safety is never compromised.


Our engineers are accredited installers by the top boiler manufacturers.

Deal Directly

With AT boilers we deal directly with you, from enquiry to aftercare.

Save Money

AT Boilers operate more efficiently, and we pass those savings onto you.

Need a new boiler installation?

Whether your boiler has given up the ghost, or you’re in need of a new more energy efficient boiler, AT Boiler Company installs boilers from all the top rated manufacturers such as Baxi, Worcester Bosch, Vaillant, Ravenheat and Ideal.

So when do you need a new boiler? If your boiler is beyond repair or more than 10 years old then you may want to consider replacing it with a new high efficiency condensing boiler which can help you lower your annual fuel bills and your homes carbon footprint. Statistics have shown some households could save up to £600 each year from upgrading their boiler.

We are a local company that provide new boiler installations within Doncaster and it’s surrounding areas including, Askern, Tickhill, Bawtry, Everton, Mexbrough and Conisbrough. Our experienced plumbing & heating engineers have a wealth of accreditations and recommendations. Our engineers are fully gas safe registered and are accredited installers for Worcester Bosch, Ideal, Vaillant, Baxi, and Ravenheat. AT Mechanical Ltd are also a registered member of Association of Plumbing and Heating Contractors, APHC.

So why choose us?

With AT Boiler Company its personal, you don’t get passed from person to person like you do with the big guys. From installation through to aftercare we will manage the process directly from start to finish. You get a real person who cares and wants to provide the best customer experience throughout.

AT Boiler Company offers instant online quotes to cut out the guessing game of choosing a new boiler. We provide honest and reliable advice during our free quote  and home survey to find the best solution to suit you and your home.

We also offer boiler servicing to keep your boiler in top notch condition and maintain the warranty validity, along with a variety of other plumbing & heating repair services within Doncaster.

Laura GreenDoncaster

Very polite and a reliable company! I got in contact with a few plumbers but AT boilers was the best! Tom came out and looked at what the issue was and what work would need doing. The work which was carried out was done in great time and kept very tidy. I would recommend to everyone who is in need of a plumber!

Rob MorrisRM Building Services

I use Tom and Andy for all my plumbing work now. Find them very reliable and flexible. All there work is to a very high standard. It makes my job easier knowing I have plumbers I can trust. I know they will do a good job for myself, and my customers every time. Definitely recommend.

Jack GrahamBessacarr, Doncaster

AT Boilers have been superb. They've been flexible and reliable and always happy to help. From start to finish getting my new replacement boiler was so quick and easy, the guys at AT Boilers made it so much less painless than I expected. I wouldn't hesitate to recommend them!

Zak ReidAuckley, Doncaster

I literally could not be happier that I chose AT Boilers! My new boiler was chosen and installed within days, could not have done a better job! AT Boilers have been a great reliable company and very competitively priced.

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