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.
News
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. 34 and discover the latest advancements of our certified EnerPHit system, smartshell…
First Certification in new "Renovation System" Category: Pro Passivhausfenster GmbH leads the way once again
With the new certification category 'Renovation System', the Passive House Institute provides an important impetus for the building transition.
Exciting Seminar on Serial Renovation of Large and Small Buildings
Can a detailed, serial renovation system for building envelopes and technical installations sustainably increase the renovation rate?






