Member - BS2 AG

Technology & Services for Economic and Emission-Free Architecture and Building Operation.

Type Company
Founded 2004
Company Size 10
Member Type
Founders Prof. Dr. Hanjürg Leibundgut & Balz Halter
Headquarters 8952 Schlieren, Switzerland
Social network


CO2-free building operation at no additional charge. Free architectural design without compromises. Consciously simple. This is what we stand for. Our holistic system BS2 Zeleganz consists not only of highly efficient components, but also of services for individually designed energy systems for new and refurbished buildings.
Headquarters 8952 Schlieren, 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 BS2 AG

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.