ATAG ATAG I28C 28 kW combi Gas Boiler

ATAG I28C 28 kW combi Gas Boiler
Total Cost
Manufacturer ATAG
Boiler Model ATAG I28C 28 kW combi Gas Boiler
Condensing boiler? Condensing
Energy Efficiency Rating 94%
Energy Band A Rated
LPG model/Conversion kit Yes
Manufacturer Warranty Up to 14 Years
Heating Output 23.2 kW
Wall Mounted or Floor Standing Wall Mounted
DHW Flow Rate 11.5 l/min
Total Cost
ERP Rating A Heat A Water
Hot Water Max Output 30.3 kW

Each ATAG i28C boiler comes with a standard 10 year warranty, and options for up to 14 years. They are professionally installed by ATAG Selected Partners.

See all the latest ATAG boiler ranges and prices here. ATAG is the only boiler company offering a huge 14 years warranty on all of their range.

An ATAG i28C combination boiler is small and quiet. It will easily fit into your home’s heart. It is a great choice for those with limited space or who want to make use of space that was previously allocated to a hot-water cylinder.

To achieve maximum A+ energy efficiency, pair the ATAG i28C boiler combination with the ATAG ONEZone smart controller or Tado V3+ smart control.

ATAG i28C combi boiler review

The ATAG i28C 28kW condensing combi-gas boiler is wall-mountable. It can replace your standard kitchen cupboard. This combi boiler is perfect for small properties that have limited space because of its compact size.

ATAG i28C’s central heating output is 23.2kW, and domestic hot water output is 30.3kW. This combi boiler is great for homes with 15 radiators or a single bathroom.

ATAG i28C combi features

  • To fit in kitchen cabinets, a model measuring 275mm (deeper) is available
  • Standard warranty of 10 years, with options for up to 14-years
  • Use the ATAG ONE smart controller or Tado V3+ smart control to control the system from your smartphone
  • ATAG iCon stainless-steel heat exchanger – with its lifetime replacement guarantee
  • LCD Display displays detailed fault codes for faster, more precise boiler diagnosis
  • The built-in weather compensate provides impressive efficiency and greater comfort
  • Boiler Plus compliant
  • Frost protection device built in
  • Thanks to bottom up modulation, quiet operation

Why buy the i28C combi?

The ATAG i28C is the mid sized combi boiler in the range. They also have outputs of ATAG i36c 36kW and ATAG i40C40kW, respectively. The ATAG i24C can be used in homes that have a lower demand.

Because of their efficiency and compact size, combi boilers are common in UK homes. Combi boilers do not require additional hot or cold water tanks as would a regular boiler or system. Combi boilers can be space-saving, but they have a limit on the amount of hot water they can provide.

ATAG iC combi boilers are 94% efficient, which could help you to save money on your energy bills. You can also pair the ATAG iC combi-boilers with an ATAG ONEZone smart control, which will increase the efficiency by an A to A+ for central heating as well as hot water.

Who are our fitters?

We use our own Gas Safe installers and the best installers the UK has to offer. Every single one is Gas Safe registered and has been thoroughly vetted.

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