With a heat output of 11.2 kW and an energy efficiency rating of 5.4 stars, the Archer 900 will keep you warm all winter. The IS900 is also compatible with the Archer Integrated Central Ducted Heating System and can have between 5 and 7 ducts run off the fireplace. Speak to our friendly team in the showroom for more information about the ducting system. Heating area upto 250 square meters ( 25 Squares )