The Viessmann Group is one of the world’s leading manufacturers of heating and renewable energy systems. Family-owned since 1917, the group – including U.S. operations – today employs over 8,600 people worldwide and has a revenue of approximately 1.7 billion Euros. Sixteen manufacturing facilities in Germany, France, Canada, Poland, Hungary, Switzerland, Austria and China; sales & distribution facilities in Germany and 37 other countries; and 120 sales centers worldwide provide customer proximity and a strong global presence. Through a comprehensive range of products, Viessmann offers a multi-level program of high-tech, state-of-the-art heating products. Wall-mounted gas-fired condensing boilers, floor-standing oil- or gas-fired hot water heating boilers, solar thermal systems, control technology and DHW storage tanks are all designed to achieve superior performance, reliability and energy savings.