About us The Viessmann Group is one of the leading international manufacturers of heating, cooling and climate control technology. Founded in 1917, the family business maintains a staff of approximately 12,000 employees and generates 2.25 billion Euro in annual group turnover. With 22 production divisions in 11 countries, subsidiaries and representations in 74 countries and 120 sales offices around the world, Viessmann is an internationally orientated company. Viessmann Canada provides a comprehensive range of state-of-the-art heating products, from wall-mounted gas-fired condensing boilers, floor-standing oil- or gas-fired hot water heating boilers, solar thermal systems, control technology and direct hot water storage tanks - all designed to achieve superior performance, reliability, ease of installation and energy savings. From best-in-class build quality to unmatched life cycle cost, we're committed to creating products that are built to last.