Viessmann’s structure is distinctly international, with 16 factories in Germany, France, Canada, Poland, Hungary, Austria, Switzerland, China and Ukraine, a network of distributors in 37 countries and 120 sales offices worldwide.

Viessmann’s comprehensive product portfolio includes wall mounted boilers, combined heat and power (CHP) stations for oil and gas, systems for renewables, including solar thermal systems with flat-plate and vacuum tube collectors, central heating backup and building cooling, special boilers and combustion units, chips and pellets, heat pumps from and photovoltaic systems. Additionally, Viessmann offers a complete range of products and services related to biogas technology, from project development and engineering to raw materials management and operational oversight.