Member - Viessmann

The Viessmann Group is one of the leading international manufacturers of climate and energy solutions.

Type Company
Founded 1917
Company Size 12300
Member Type
Founders Johann Viessmann
Headquarters 35108 Allendorf, Germany
Social network


The Viessmann Group is one of the leading international manufacturers of climate and energy solutions. This family enterprise was founded in 1917, has 12,300 employees, and the group’s turnover amounts to € 2.65 billion Euro. With 22 production companies in 12 countries, sales companies and agencies in 74 countries and 120 sales offices worldwide, Viessmann is internationally oriented. 56 percent of turnover is generated abroad. Because it is a family business, Viessmann places particular value on acting in a responsible way for the long term; hence sustainability is firmly anchored in its corporate values. For Viessmann, putting sustainability into practice means bringing economics, ecology and social responsibility into harmony throughout the entire company so that today’s needs can be met without harming the means of livelihood of future generations. Viessmann has always seen challenges as opportunities and developed innovative solutions to deal with them. Thus the company has for decades been serving the function of an environmental pioneer and technological pacemaker by supplying oil- and gas-fired, energy-efficient heating systems that are especially low in emissions, as well as solar thermal systems, wood combustion systems and heat pumps. MicroEnergy is part of the Viessmann group. It develops and distributes Power to gas solutions, based on microbiological products and technical system components. In addition, the company specialises in process control and in the optimisation of biological systems.
Read more
Headquarters 35108 Allendorf, Germany

SDG’s of application

The Sustainable Development Goals are a call to action to end poverty, protect the planet and ensure peace and prosperity everywhere.
Clean water and sanitation
SDG 6 icon
Affordable and clean energy
SDG 7 icon
Industry, innovation and infrastructure
SDG 9 icon
SDG 11
Sustainable cities and communities
SDG 11 icon
SDG 12
Responsible consumption and production
SDG 12 icon

Efficient Solutions

Labelled Solutions from Viessmann

The Solar Impulse Efficient Solution label seeks to bridge the gap between ecology and economy, bringing together protection of the environment and financial viability to show that these solutions are not expensive fixes to problems, but rather opportunities for clean economic growth.

The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. To validate the Membership to the World Alliance for Efficient Solutions, the Solar Impulse Foundation only verifies that each entity is registered and has signed our principles and values stated in the following World Alliance for Efficient Solutions charter. For those Members who are also solution providers, this information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances.