Passive House Podcast
Interviews with the leaders, practitioners, and change-makers in the global Passive House movement. A production of Passive House Accelerator.
Episodes
In this episode of the Passive House Podcast, Jay Fox and Mary James talk with Lisette Wong and Jack Esterson of Think! Architecture & Design to explore the award-winning Malcolm Shabazz Harlem Plaza project. Learn how this project blends community heritage with Passive House sustainability in Harlem. Lisette and Jack share their journey to Passive House, the project’s innovative design features—including advanced HVAC...
In this eighth episode of The Reimagine Edit (TRE) series of the Passive House Podcast, host Zack Semke shares selected clips of insights from Ed May (bldgtyp), Nakita Reed (Quinn Evans), Tessa Bradley (Artisans Group), Bev Craig (MassCEC), Mike Steffen (Walsh Construction), Lisa White (Co-Executive Director of Phius), and Jonsara Ruth and Allison Mears (leaders of Healthy Materials Lab).
Quotes:
Jonsara Ruth:
"If everyb...
In this episode of the Passive House Podcast Mary James and Jay Fox chat with Sarah Lewis, Research and Policy Director at the Passivhaus Trust. They explore Scotland’s groundbreaking push toward mandatory Passive House standards for new buildings. Sarah dives into the motivations behind the proposed legislation, lessons from Germany and Brussels, and the vital role of embodied carbon. She also explores the practical impl...
In this episode of the Passive House Podcast, Matthew Cutler-Welsh talks with Sharon Robinson of Smart Living Spaces. Sharon shares her journey from standard design work to advocating for high-performance, affordable housing. She talks about how rethinking client communication, redefining “standard plans,” and focusing on building science fundamentals like heat recovery, passive design, and smart construction systems can s...
In this episode of the Passive House Podcast Architect Nat Madson and structural engineer Lauren Piepho of HGA join us to talk about Barry Mills Hall and the John and Lile Gibbons Center for Arctic Studies—Bowdoin College’s first mass timber buildings and the first of their kind in Maine. They share the story behind the design and construction, from early ideas sparked by the college’s pine-filled campus and carbon neutral...
In this episode of the hosts Mary James and Jay Fox sit down with Vincent Bergeron, an architect with Equipe A Architects in Quebec, to explore The Monarch—a groundbreaking social housing project in Sherbrooke. With 134 units guaranteed affordable for 35 years, this high-rise development is notable not only for its scale but for its ambitious pivot toward Passive House principles. Van shares how a tight timeline, a challen...
In this seventh episode of The Reimagine Edit (TRE) series of the Passive House Podcast, host Zack Semke shares selected clips of insights from Jessica Grove Smith (Joint Managing Director of Passive House Institute), Mark Attard, Rainger Pinney, John Loercher, Galen Staengl, Mike Fowler, Cait Eggers, Sean Velez, Nidhi Shaw, and Lloyd Alter.
Quotes:
"Walking off the ferry in Seattle and ashes falling out of the sky—t...
In this episode of the Passive House Podcast we are joined by Mark Anderson a Registered Master Builder, Licensed Building Practitioner, and Certified Passive House Tradesperson based in Wanaka, New Zealand. Mark founded MA Building in 2013, driven by a commitment to craftsmanship, sustainability, and innovation in residential construction. Growing up on building sites alongside his father, Mark developed a deep respect fo...
This week on the Passive House Podcast, Jay and Mary welcome Shannon Pendleton, of Source 2050 and Sanderson Sustainable Design, to share her insights from the massive International Builders Show (IBS) in Las Vegas. From electrification trends to American-made high-performance windows, Shannon breaks down where the building industry is headed and how Source 2050 fits into the evolving landscape of sustainable building.
Sour...
In this episode of the Passive House Podcast, Mary James and Jay Fox dive into passive leisure centers and indoor pool design with Jessica Grove-Smith, Senior Scientist and Joint Managing Director of the Passive House Institute. Jessica shares the story of how PHI began exploring high-humidity building typologies, the unique challenges of designing ultra-efficient recreation centers, and the lessons learned from pioneering...
In this sixth episode of The Reimagine Edit (TRE) series of the Passive House Podcast, host Zack Semke shares selected clips of insights from Carmel Pratt (Massive Passive AMA); Graham Irwin and Silas Patlove (Duck Curve Friday AMA); Lloyd Alter (Sufficiency First AMA); Sara Kudra, Bev Craig, Rainger Pinney, Kristof Irwin, and Alexander Gard-Murray (BuildingEnergy Boston Recap); Ilka Cassidy and Greg Leskien (PH Panelizati...
In this episode of the Passive House Podcast, Mary James sits down with Hugh Pearce, architect and Passive House lead at the UK-based firm Architype. Known for trailblazing sustainable educational design, Architype is behind landmark projects like the UK’s first Passive House secondary school. Hugh shares insights into the London Docks Secondary School—an ambitious, airtight, biodiversity-rich oasis in the heart of London’...
In this episode of the Passive House Podcast Ilka is at McGill University for the Reconstruct Workshop, a workshop bringing together students, researchers, and industry leaders to tackle the future of deep energy retrofits. Ilka sits down with emerging voices from architecture and engineering to unpack prefab innovation, the Single Integrated Manufacturing (SIM) model, and real-world pilot projects aimed at decarbonizing e...
In this episode of the Passive House Podcast Matthew Cutler-Welsh sits down with Joseph Lyth an Associate Registered Architect, Certified Passive House Designer based in New Zealand. Joesph walks Matthew through his decision to build a passive house to create a healthier environment for his family. Believing that healthier, lower energy and affordable buildings are possible for everyone in New Zealand, at standard budgets...
In this special episode of the Passive House Podcast Ilka Cassidy is joined by Kristoff Irwin of Positive Energy at NESEA's BuildingEnergy Boston '25.
Ilka and Kristoff are joined by the following inspiring speakers and organizers of NESEA 25:
- Jacob Deva Racusin, New Frameworks Natural Design/Build
- Andrew Himes, Carbon Leadership Forum
- Laura Bailey, Vermont Council On Rural Development
- Heather Ferrell, Prism Design Lab
...
In this fifth episode of The Reimagine Edit (TRE) series of the Passive House Podcast, host Zack Semke shares selected clips of insights from Ryan Abendroth (how to get into PH consulting), Michael Ingui (how to sell Passive Hosue), Kristof Irwin (paradigms in high performance building), and Tom Bassett-Dilley (retrofits and embodied carbon).
The Reimagine Edit is a special series of the Passive House Podcast that shares cu...
In this episode of the Passive House Podcast, Mary James and Jay Fox sit down with Tonje Wold-Switzer, Executive Director of the Santa Cruz County Long Term Recovery Group. Tonje shares her personal journey of losing her home, navigating the recovery process, and advocating for fire-resilient, sustainable rebuilding solutions—including Passive House design. Tune in for insights on disaster response, and how communities ca...
In this episode of the Passive House Podcast, we welcome Barry Cope, Group Managing Director of the Building Compliance Testers Association (BCTA). Barry shares insights into airtightness testing, certification, and how the UK became a leader in 100% blower door testing for new buildings. He discusses the role of ATTMA, the evolution of the industry, and how airtightness impacts building performance, moisture control, and ...
In this episode of the Passive House Podcast, Matthew Cutler-Welsh sits down with Kirstie Wulf of Shelter Building Design. Based in Australia’s Blue Mountains, Kirstie shares how she built her own hempcrete home, the benefits of this natural material, and how it stands up to fire, floods, and extreme weather. If you’re curious about sustainable building, passive house principles, or just love a great career change story, t...
In this fourth episode of The Reimagine Edit (TRE) series of the Passive House Podcast, host Zack Semke shares selected clips of insights from Andrew Michler (fire hardening), Tim Lock (designing beyond Passive House), Ed May (modeling), and Michelle Jacobson and Maria Lomanto (healthy interiors).
The Reimagine Edit is a special series of the Passive House Podcast that shares curated insights from our Experts-In-Residence a...
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