25th International Passive House Conference September 2021 in Wuppertal - The key to sustainable buildings!

For the first time as a hybrid conference. Visit our virtual and our real booth.


to see, what is new at smartwin. We would be even more pleased about a visit to the exhibition stand in Wuppertal. We are showing two coordinated exhibition stands, a virtual one and a real one.

Franz Freundorfer and Patrick Wunder from HolzWin will welcome you at booth 8 in the “Großer Saal” of the historic town hall. The big highlight is our new sliding door smartwin sliding solar. Franz Freundorfer will present the new development in session 8 on Saturday at 2:50 pm under the title "The first sliding door in energy efficiency class phA+, a big step forward.”

Take a look to virtual booth Version 2021