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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
Economiser Boiler Image

ECONOMISER

combination boiler

With it's heat recovery system, the iC Economiser is the ultimate boiler for heating your home. When paired with ATAG ONE Zone controls, the iC Economiser can reach an A+ Energy Related Products rating.

[1] With ATAG ONE Zone an A+ 98% heat rating can be achieved. An A 94% rating as standard.
Key Features
ErP 'A' rated saving you money on your gas bills
Works great with ONE Zone Controls
Three models available - 27, 35, and 39kW
ErP 'A' rated saving you money on your gas bills
Lifetime iCon Heat Exchanger replacement guarantee
Three models available - 27, 35, and 39kW
Works great with ONE Zone Controls
ErP 'A' rating icon ErP 'A' rating
Achieves ErP 'A' rating for heating and hot water across all models.
Heat recovery technology icon Heat recovery technology
With gas savings for you and lower NOx emissions.
Completely user friendly icon Completely user friendly
With intuitive controls.
Responsible choice icon Responsible choice
Lowest NOx emissions available.
Download product sheet
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Why are you looking for a new boiler?

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Controls & thermostats

A great choice in control for your heating and hot water

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ATAG OneZone

ONE Zone

Effortless smart heating control for ultimate comfort and reduced home energy bills.

Find out more

ATAG Cube

Cube controller

Straightforward, programmable digital thermostat for simple, reliable, and fuss-free heating control.

Find out more

ATAG Room Stat

Programmable room stat

Classic, user-friendly design with flexible seven-day scheduling for reliable home comfort.

Find out more

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