Passive House Podcast cohost Zack Semke interviews Kevin Brennan, co-owner at Brennan Brennan Insulation and Airtightness, firefighter with the New York City Fire Department, and cohost of Passive House Accelerator's popular Construction Tech program. Kevin shares how he got involved in both high performance construction and firefighting, insights gleaned from his years participating in the home energy performance boom, his introduction to Passive House by Tomás O'Leary, and how it all led to his current role as a leading Passive House tradesperson and educator in New York.