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 certificate for the “smartshell reno” renovation system.
Wolfgang Feist brought two certificates to our booth 20. Dieter Steiner received the EnerPHit Premium certificate for his “Steiner/Rindberg” project.
Lars Wilsdorf and Stefan Freundorfer received the certificate for the world’s first renovation system, smartshell reno.
smartwin also impressed on a professional level: with a pitch presentation by Stefan Freundorfer, the short presentation “smartshell reno Training” by Lars Wilsdorf, and the presentation “smartshell reno: first certified construction system in the new renovation category” by Franz Freundorfer, the innovative renovation system was introduced to a broad expert audience.
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News
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…
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…
Kindergarten Salaspils, im Jahr 2025 als nachhaltigstes Gebäude Lettlands ausgezeichnet, gebaut 2024
mit smartwin-Fenstern, gefertigt und eingebaut von Krists Slokenbergs von i2-factory



