ATAG

Warranty

Warranty
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Savings
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Contact Us
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Installer

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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

Support & Advice

FAQs

Find an installer
Support Hub

Support hub
Product manuals

Product manuals
Troubleshooting

Troubleshooting
FAQs

FAQs
ATAG Zone app

ATAG Zone app
ATAG ONE Zone

ATAG ONE Zone
ATAG Cube

ATAG Cube
ATAG Roomstat

ATAG Room Thermostat
TADO v3

TADO v3
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MAXIMISE

SAVINGS

WITH A NEW ATAG BOILER

Discover the true cost savings of owning an ATAG boiler. Every ATAG is built around a stainless steel heat exchanger with a lifetime replacement guarantee.

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ATAG only sells direct to accredited installers, keeping the price fair
Warranty savings
18 years warranty icon Our industry-leading warranty option
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No monthly boiler policy required icon No monthly breakdown cover plan needed
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ATAG savings icon showing the text £2,592 Over 18 years of the extended warranty
Fuel bills
Most efficient boiler in Europe icon Achieving up to 98%, losing just 2% efficiency throughout their lifetime
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Up to £35 fuel savings per month icon Fuel savings of up to
£35 per month[1]
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ATAG savings icon showing the text £7,560 ATAG savings over boiler warranty period
[1] Energy Savings Trust, March 2026.
Potential Savings over 18 years = £10,152

ATAG Partner Installers

Gas Safe Register logo
Gas Safe Register logo

ATAG Partner Installers

We only work with Gas Safe Registered installers

Find an installer
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ATAG iC Economiser boilers
With industry-leading technology helping recycle wasted energy and save on your gas bills makes the iC Economiser the combi to beat.
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ATAG iC Combi boilers
A perfect choice if you have limited space as no cylinder is required - and, a great energy saver too! Helping to lower your monthly running costs.
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ATAG iS System boilers
The ATAG iS system boiler is one of the most energy efficient models available in Europe. Designed with simplicity and usability in mind.
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ATAG iR Regular boilers
Extremely energy efficient with simple to use controls. Extensive flue solutions mean you can site the boiler almost anywhere in your home.
View the range