Member - Stirling

realizes innovative and complex precision mechanics and assemblies, as efficient free-piston Stirling engines.

Type Startup or self-employed
Founded 1937
Company Size 25
Member Type
Founders Rudolf Schmid
Headquarters 3174 Thörishaus, Switzerland
Social network


Since 1999 we develop efficient, economic free piston Stirling engines of a new, so-called resonance concept.
The heating energy first serves to produce electricity in a generator at high efficiency. The "waste heat" of the process remains available for heating purposes. Primary energy is used efficiently; Energy sources include natural gas, biogas, wood (pellets, chips, etc.), fuel oil, rapeseed oil or other fuels.
Headquarters 3174 Thörishaus, Switzerland

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 Stirling

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.