Viessmann offer a selection of gas condensing boilers, including combination boilers, open vent boilers, system and storage boilers. All are all highly efficient - up to 98%, helping to save you money and cut your carbon footprint.
Viessmann boilers range from compact, wall mounted units that can be installed in almost any size room, to bigger floor-standing, state-of-the-art appliances suitable for bigger houses and commercial buildings.
What’s more, each installation comes with a 10-Year Guarantee against leaks resulting from corrosion on the stainless steel heat exchanger.