With smartwin entrance a new scale for Passive House entrance door is establshed. A cooperation of TSH (a consortion of German craftsmen guild) and pro Passivhausfenster could share the cost for development and weave the Know How together.

In January 2018 PHI offers the catagory door systems. Here further junctions like side part with glazing, double sash door, und others got part of the certification. smartwin entrance reached as first entrance door this category. At the same time we offer from now on a door system usable and certified in cold climate.

Again a powerful Passive House Component from your local manufacturer. The small innovative craftsman define the scale.