Sabine Stillfried
![Sabine Stillfried](https://www.hvacinformed.com/img/noimage/400x400.jpg)
Sabine Stillfried
Sabine Stillfried works at the International Passive House Association (iPHA).
News mentions
Residents are opening their Passive House buildings for the 20th time. Interested parties can see the benefits of high energy efficiency for themselves. Passive House Open Days The Passive Hous...