In this special video bonus episode recorded at the 25th International Passive House Conference presented online by Passive House Institute in September 2021, Passive House Podcast co-host Zack Semke interviews Susanne Winkel, Head of Training and Education at Passive House Institute, and Aisha Liebehenz, Associate Manager of Training and Education at Passive House Institute. They dive into the latest developments around training certifications and marks available to Passive House tradespeople and designers.