Passive House Podcast
Interviews with the leaders, practitioners, and change-makers in the global Passive House movement. A production of Passive House Accelerator.
Episodes
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this episode of the Passive House Podcast co-host's Jay and Mary chat with Emily Mottram, founder of Mottram Architecture, about her architectural firm and her passion for building science and low-carbon residential architecture. Emily discusses her firm's focus on retrof...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this episode of The Passive House Podcast host Mary James meets with Katie Schwamb, Managing Director at Building Energy Exchange (BE-Ex) to discuss emissions reduction and compliance with Local Law 97 in New York City. Local Law 97, sets carbon emissions limits for bui...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this episode of The Passive House Podcast, host Jay Fox talks with Andrea Michael, an architect from Love Schack Architecture in Bozeman, Montana. They discuss Andrea's comprehensive home retrofit, aimed at improving energy efficiency and comfort. The retrofit included ai...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In the twelfth episode of The Reimagine Edit series of the Passive House Podcast, host Zack Semke shares selected clips of insights from Jake Bruton, Ben Bogie, Michael Ingui, Ed May, Kristof Irwin, and Ashley Wisse.
This episode explores how practitioners across the Reimagin...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this episode of The Passive House Podcast, host Mary James speaks with Kara Haggerty Wilson, Design Director at Onion Flats. Kara discusses the company's focus on scaling up deep energy retrofits. She highlights their journey from initial projects in Pennsylvania to more ...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
This week on the Passive House Podcast we welcome Ben Walsham, the founder and director of ARKATA, based in Brunswick, Victoria. Trained in architecture and now a registered NatHERS Accredited Energy Efficiency Assessor, Ben empowers architects—as well as homeowners, bui...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this episode of the Passive House Podcast, Ilka Cassidy and Kristof Irwin are at PhiusCon 2025, highlighting key sessions and interviews with industry experts. The conference explored a variety of themes including performance, purpose, and the power of community in the Pa...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this episode of the Passive House Podcast, Matthew Cutler Welsh talks with Matthew Crucifix, Director of Development at Stonewater, they discusses the organization's efforts in providing affordable and sustainable housing in the UK. Crucifix outlines Stonewater's expansiv...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this episode of the Passive House Podcast, Mary James and Ilka Cassidy interview Tony Lisanti, managing director at Integral Building and Design and QA/QC Manager for Phius. The discussion delves into various rating systems for high performance and passive houses, focusin...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In the eleventh episode of The Reimagine Edit host Zack Semke strings together some pearls of wisdom from leading Passive House experts across three continents and include Martín Comas, Ed Ettinger, Lindsey Love, Joe Lstiburek, Tomas O’Leary, and Shefali Sanghvi. Each gem is...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this episode of The Passive House Podcast, join Jay Fox and Mary James as they dive deep into sustainable building systems with Greta Tjeltveit, a Building Science Consultant at 4EA Building Science and Board President of Passive House Northwest. Greta shares her inspirin...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this episode of The Passive House Podcast, join Ilka and Jay for their in-depth discussion with the members of the Reimagine Buildings Collective's innovative Summer Labs. The episode showcases the experiences and insights of various industry professionals who participate...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this episode of The Passive House Podcast, Mary James interviews Az Rashid Head of Design at Barratt London. Az shares details about Barratt London's focus on large-scale, mixed-use, residential-led regeneration projects within London, and their collaboration with Transpo...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this episode of the Passive House Accelerator Podcast, Ilka Cassidy and Mary James are joined by sustainability experts Amy Cornelius, Paul Thompson, and Joe Messier as they delve into a groundbreaking retrofit project in Philadelphia. This six-part demonstration series, ...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this episode of the Passive House Podcast, co-hosts Jay Fox and Mary James speak with Gaelen McKee, Founder of Brooklyn Solar Works. They dive in to the company's origins, current projects, including work with co-ops and commercial buildings, and their plans for expanding...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this episode of the Passive House Podcast, Matthew Cutler Welsh interviews Jessica, a high-performance building consultant at Climate Shore in Adelaide. They discuss Jessica's transition from energy efficiency compliance to specializing in high-performance building with a...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this episode of the Passive Hosue Podcast, Zack Semke welcomes Michael Quast, the new CEO of Passive House Canada. Michael shares his diverse background in construction, business development, and media, emphasizing his passion for sustainable building. They discuss Michae...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this episode of The Passive House Podcast, Mary James interviews Stephen O'Shea, head of Sustainable Construction at Carin Homes. Steven discusses the company's focus on large-scale residential projects, their commitment to Passive House standards, and the significant ben...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this tenth episode of The Reimagine Edit, host Zack Semke weaves together insights from a month of dynamic conversations inside the Reimagine Buildings Collective—including AMAs and Reimagine Tuesday interviews. From practical moisture control strategies to the latest in ...
To register for our Reimagine Buildings: Best of Retrofit online conference on Friday, December 5, 2025, visit https://passivehouseaccelerator.com/
In this episode of the Passive House Podcast, Matthew Cutler Welsh sits down with Arthur Lee to discuss his background in architecture and his work in promoting energy-efficient buildings in New Zealand. Arthur shares his experience with passive house design at Tim Green Arc...
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