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outside of partners regions please contact following address:

pro Passivhausfenster GmbH
Martin-Greif-Straße 20
D-83080 Oberaudorf

Phone: +49 8033 304098
Mobile: +49 170 3466099

Email: ff(at)smartshell.de
Internet: www.smartshell.de

We grant project licenses worldwide. Please contact Franz Freundorfer at +49 8033 304098.

Videos

28th International Passive House Conference 2026 on April 24–25 in Essen – “Transforming with Energy Efficiency!”

Two certificates were presented by Wolfgang Feist: the EnerPHit Premium certificate for the “Steiner Rindberg” project, as well as the world’s first…

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Twelfth smartwin and smartshell Partner Meeting at Lorber Fenster, Austria, April 20–22, 2026, hosted by Maria, Michi and Sepp Lorber.

“Two years after the partner meeting in Nuremberg, we were able to refill our motivation tanks. Even though not all partners were able to attend, our…

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28th International Passive House Conference 2026 on April 24–25 in Essen – “Transforming with Energy Efficiency!"

We are participating for the 25th time. Visit us at Booth No. 20 and discover the latest advancements of our certified EnerPHit system, smartshell…

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Virtual booth