As part of the project "3encult" smartwin producer Menuiserie Andre developed a new window system for listed historic buildings. A single glazed window frame externally with a triple glazed and particularly narrow window frame internally achieves a certified passive house window of the grade phA with a historical look.
Franz Freundorfer presented his summary for the lecture at the 16th International Passive House Conference in Hanover in 2012.
link to presentation (in German language)
Since May 2013, our smartwin historic partner is the renowned box window manufacturer Kranz in Schwanenstadt (Upper Austria).
folder smartwin historic (in German language)
News
29th International Passive House Conference 2026 in Innsbruck on April 2–3, 2027: “Energy efficiency unites”
We are taking part for the 26th time. Visit us at booth no. 1.
This year, our motto is: “Modernizing our buildings demonstrably saves money – so…
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…
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…






