smartwin sliding is the first certified passive house sliding door on the market. A complete encompassing air-tightness seal provides unparalleled levels of air-tightness.
Visually, the sliding door is exactly the same proportions as the smartwin window. The product was certified with an ‘phA’ rating by the Passivhaus Institute in Darmstadt.
Again, ‘phA’ rated passive house windows made by your local manufacturer.
Videos
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…
