The Viessmann Group

The Viessmann Group is one of the leading international manufacturers of heating, industrial and refrigeration systems. Founded in 1917, the family business maintains a staff of approximately 11,600 employees and generates 2.2 billion euros in annual group turnover.

With 22 production divisions in 11 countries, sales subsidiaries and representative offices in 74 countries, and 120 sales offices around the world, Viessmann is an internationally orientated company. 56 percent of sales are generated abroad.

Sustainability in practice

As a family business, Viessmann sets great store by responsible conduct with a long-term vision. Sustainability is already firmly embedded into the company’s guiding principles. For Viessmann, the practice of sustainability means reconciling cost efficiency, ecology, and social responsibility throughout the entire company to enable us to meet our current needs without compromising the ability of future generations to meet theirs.

As an environmental pioneer and technology leader in the heating industry, Viessmann has for decades been supplying minimal emission, energy-efficient heating systems for oil and gas as well as solar thermal systems, wood combustion systems, and heat pumps. Many Viessmann developments are regarded as milestones in heating technology.

Viessmann's comprehensive product range

Due to their comprehensive range of products, Viessmann offers a wide variety of customized solutions with efficient systems and outputs from 1 to 120,000 kW for all application areas and all fuel sources. These include wall-mounted condensing boilers from 1.9 to 150 kW and free-standing condensing boilers from 1.9 to 6,000 kW in addition to combined heat and power (CHP) generation units from 0.75 to 530 kWel and from 1.0 to 660 kWth, respectively.

Also part of this impressive portfolio are systems for renewables including solar thermal systems with flat-plate and vacuum tube collectors for domestic hot water generation, auxiliary heating, and process heat generation, biomass boilers from 2.4 kW to 50 MW for wood logs, chips, and pellets, heat pumps from 1.7 to 2,000 kW for use with groundwater, ambient air, and geothermal heat, and photovoltaic systems.

Viessmann also can provide everything from a single source to local heating networks and bioenergy villages – starting with initial feasibility studies and detail engineering to the delivery of all necessary components like biogas systems, heat generators, CHP modules, geothermal piping, and residential transfer stations to construction and commissioning.

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

Full-range service

As a full-range supplier, Viessmann includes an extensive array of related services.

For example, the Viessmann Academy provides heating contractors, designers, architects, housing associations, chimney sweeps, technical education institutions, and its own staff with a comprehensive training and professional development program. By doing this, the company is seeking to meet the increasing training requirements of its market partners due to structural changes in the heating market towards efficient technologies and renewable energy systems and the associated increase in the range of technologies available. Worldwide, 92,000 industry specialists take part in the Viessmann Academy’s training sessions every year.

The Viessmann service package also includes support provided by the Technical Service Department, a demand-oriented software range, support through advertising and sales promotion, and a user-friendly online information and ordering system that is available 24/7."


No. 1 Trade Partner" for the 13th time in a row

Customers appreciate what the company has to offer: For the 13th time in a row, Viessmann was voted the "No. 1 Trade Partner". Several thousand German heating contractors participated in a survey conducted by the industry journal “markt intern” every two years prior to the world's leading trade fair ISH. It evaluates the manufacturers' performance in a variety of product and service categories. Thanks to a total of three top spots and a second place, Viessmann was the overall winner yet again.

March 2015


Pictorial material

Image 1

Viessmann factory in Allendorf (Eder).

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Image 2

A test production line for wall mounted gas fired the company's headquarters in Allendorf (Eder).

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Image 3

Viessmann offers its customers not only a complete range of innovative products but also the highest quality and a wide range of services and additional strong brand value.

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