The Viessmann Group is one of the leading international manufacturers of heating, cooling and climate control technology. 

Viessmann sets the standard with a comprehensive product range 

With a complete line of high-efficiency oil and gas-fired boilers, solar thermal systems, advanced biomass heating and control technology, Viessmann can offer an innovative heating solution to meet the requirements of any application. Whether as a fully-integrated system or single-energy installation, our products deliver maximum energy savings and performance. 

As an environmental pioneer, Viessmann has been supplying highly efficient and renewable heating systems for several decades. With high-efficiency fossil fuel and renewable energy heating systems from Viessmann, every home or business can play an active role in reducing fuel consumption and protecting our environment.  

Viessmann's comprehensive range of products

Viessmann's comprehensive range of products offers individual solutions with efficient systems and services ranging from 1.5 to 120,000 kW for all application areas and all fuel sources.

Viessmann's product portfolio includes wall-mounted condensing units from 1.9 to 150 kW, freestanding condensing boilers from 1.9 to 6,000 kW and combined heat and power (CHP) stations from 1.0 to 530 kWel and 5.3 to 660 kWth.

The range of regenerative energy systems includes
● solar thermal systems with flat-plate and vacuum tube collectors for DHW heating, heating system backup and solar power building cooling,
● special boilers and combustion units from 4 kW to 50 MW for logs, wood chips and pellets,
● heat pumps from 1.7 to 2000 kW that use heat from the ground, groundwater or ambient air,
● and photovoltaic systems.

For local heating networks and bio-energy villages Viessmann also offers everything from a single source – from initial feasibility studies and detail engineering to the delivery of all necessary components like biogas systems, heaters, CHP modules, geothermal piping and residential transfer stations to construction and commissioning.

The Viessmann Group covers the cooling and refrigeration technology sector with a comprehensive range of temperature-controlled rooms, refrigeration solutions for the food retail industry, powerful refrigeration cells and units as well as accessories and services.



 Oil-Fired Boilers
Gas-Fired Boilers
Wood-Fired Boilers


          Solar Systems
Indirect-Fired Domestic
Hot Water Tanks
Control Technology

Viessmann Group

Largest Condensing Boiler Mfg in the World

• Efficiencies up to 97%
• Highest Grade of Stainless Steel used in their Heat Exchangers of any other Boiler Mfg. Heat Exchangers are a Stainless / Titanium blend)
• Lifetime Warranty on Vitodens Boilers when used in residential Applications
• Vitodens 200 has LambdaPro Technology (A self adjusting burner to obtain perfect combustion … adjust gas valve & vent fan)
• Can be used in multiple boiler applications with up to (8) boilers Vitodens 200 - 67 MBH to 530 MBH Input … (9) Models
• BMS Communications