ATAG

Warranty

Warranty
Contact Us

Contact Us

Privacy policy

Cookie policy

Complaints

Warranty terms & conditions

Products

Find your perfect boiler

Find your perfect boiler
iC Economiser combination

iC Economiser combination
iC Combination

iC Combination
iS System

iS System
iR Regular

iR Regular
Smart controls & thermostats

Smart controls & thermostats
Cylinders

Cylinders
Heat pumps

Heat pumps
Coming 2026

Electric boilers

Electric boilers
Coming 2026

Support & Advice

Support Hub

Support Hub
Product manuals

Product manuals
Troubleshooting

Troubleshooting
ATAG Zone app

ATAG Zone app
ATAG ONE Zone

ATAG ONE Zone
ATAG Cube

ATAG Cube
ATAG Roomstat

ATAG Roomstat
TADO v3

TADO v3
FAQs

FAQs
Winter boiler care

Winter boiler care
Radiators

Radiators
Find a boiler that's right for your home
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Boiler registration and warranty
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Our product range at a glance
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Energy Saving
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Save up to £500 on fuel bills per year [1]
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Annual service from the experts
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Economiser with built-in heat recovery technology
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Our ATAG boiler range is quiet in operation
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Smart tech heating your home and water
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Built to last - with near-zero efficiency loss
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ATAG cylinders keeping your water hot for longer
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Future proofed with 'Hydrogen Blend Ready'
[1] Save up to £500 on gas bills when compared to leading competitor combi boiler moneyhelper.org.uk.

Why ATAG?

ErP 'A' rated saving money on your gas bills
Hignest quality stainless steel and brass components
At the heart of every ATAG boiler is our revolutionary and unrivalled iCon heat exchanger

Why ATAG?

ErP 'A' rated saving money on your gas bills
Hignest quality stainless steel and brass components
At the heart of every ATAG boiler is our revolutionary and unrivalled iCon heat exchanger

Heating technology

Quiet Mark logo

The Economiser is so quiet it has been awarded the Quiet Mark of approval!

smart phone showing ATAG app

Update your heating timers on the go in the app

Up to 18 year warranty icon

So confident in our boilers we've given them an 18 year warranty! [2]

[2] For more information, please view our warranty terms & conditions (PDF).

ATAG Partner Installers

Gas Sate Register logo
Gas Sate Register logo

ATAG Partner Installers

We only work with Gas Safe Registers installers

Rated Excellent on Trustpilot banner Rated Excellent on Trustpilot banner
Reviews

Great Boiler

Trustpilot 5 star review

The boiler is very efficient. Instant hot water with good pressure. Heating also gets to temperature quickly. Customer care is brilliant to deal with and a great warranty comes with all boilers if [...]

James Barnett

Reliable, quiet, long warranty, great boiler!

Trustpilot 5 star review

Was recommended this boiler by a local plumbing firm. Hadn't heard of Atag but a bit of research showed they have excellent reviews so took the leap. Circulation pump which previous setup gave [...]

Bill

Epic Service from Start to Finish

Trustpilot 5 star review

I emailed ATAG as my boiler had an issue. They sent someone out within 48 hours of the contact. Tommy who was a very professional and highly skilled technician from Harvey's diagnosed the problem and [...]

Leon

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