Founded by Hans Höllwart in 1993, today’s 100% in his property. Within two decades, the SFL has evolved from a locksmith business to a sustainable industrial company.
- plant construction
- mechanical engineering
- facade
- steel construction
- lighting technology
- Energy Technology
- E-Mobility
- glass technology
Products & Services
E-Products
SFL provides a mobile technology platform for urban transport and storage of energy.
Energiespeicherfassade
SFL bietet Energieglaslösungen, in dem organische Photovoltaik in Elemente der Fassade integriert werden.
Energy storage facade
SFL offers energy glass solutions in which organic photovoltaics are integrated into elements of the façade.
Success story
The most innovative building in Austria
The Science Tower is the first building in the world to use transparent energy glasses in the façade, which supply a large amount of electricity (Grätzel cells). For SFL technologies, construction is the culmination of its long-standing pioneering work: a tower that provides itself with regional energy and combines other technological highlights – such as the innovative power storage, intelligent ventilation and the self-supply of energy.