21st International Passive House Conference in Vienna 2017 Channel: Passivhaus Institut / IG Passivhaus191 views • 15/07/2017Related Videos21st International Passive House Conference 2017 in Vienna (Promotional video)27th International Passive House Conference - Join us in Innsbruck on April 5-6, 2024!22nd International Passive House Conference 2018 Trailer22nd International Passive House Conference 2018
