Épisodes

  • TRE 11: Global Perspectives, Practical Insights
    Oct 3 2025

    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 selected from a conversation that took place inside the Reimagine Buildings Collective, either during one of the Reimagine Tuesday interviews or a Friday AMA. Speakers explore how to encourage clients to pursue Passive House certification, how to better condition and dehumidify hot and moist climates, ways to improve kitchen ventilation, some tips for using natural materials, and more!

    The Reimagine Edit is a special series of the Passive House Podcast that shares curated insights from our Experts-In-Residence at the Reimagine Buildings Collective, our membership community of building professionals stepping up to tackle climate change. Learn more about the Reimagine Buildings Collective at https://www.reimaginebuildings.com

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    22 min
  • 257: The Future of Passive House in the Northwest with Greta Tjeltveit
    Sep 30 2025

    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 inspiring journey from researching post-Katrina rebuilding efforts in high school to her current role, discussing her experiences and insights into the evolving fields of green building, building science, and Passive House design. They also explore topics such as the importance of early testing in Passive House projects, challenges of ventilation systems in the Pacific Northwest, and the impacts of wildfire smoke on indoor air quality. Don't miss this engaging discussion on the latest trends and innovations in sustainable architecture and Passive House certification.


    Join Greta this Wednesday: https://passivehouseaccelerator.com/events/101-balanced-ventialtion?date=2025-10-01

    https://collective.reimaginebuildings.com/

    Thank you for listening to the Passive House Podcast! To learn more about Passive House and to stay abreast of our latest programming, visit passivehouseaccelerator.com. And please join us at one of our Passive House Accelerator LIVE! zoom gatherings on Wednesdays.

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    1 h et 1 min
  • 256: Collective Impact: The RBC Summer Labs
    Sep 23 2025

    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 participated in these member-led groups. Featuring Paul Heron, Randall Anway, Lauren Shadid, Valerie Amor, Sandra Lester, Fabrizio Maso, Buck Moorehead, Lloyd Alter, Mark Attard, Rainger Pinney, and Mike Fowler.

    https://collective.reimaginebuildings.com/

    Thank you for listening to the Passive House Podcast! To learn more about Passive House and to stay abreast of our latest programming, visit passivehouseaccelerator.com. And please join us at one of our Passive House Accelerator LIVE! zoom gatherings on Wednesdays.

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    1 h et 26 min
  • 255: Designing London’s Passive Future: Az Rashid of Barratt London
    Sep 16 2025

    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 Transport for London (TfL) to develop properties near transit lines. He discusses his journey from architecture to his current role and explains Barratt London's recent commitment to building all new homes to Passive House standards, including the anticipated benefits for residents and the environment. The episode covers their methodical approach to training, research, and development to achieve Passive House certification, as well as their plans to begin delivering Passive House homes by 2029.

    https://www.barratthomes.co.uk/new-homes/london/

    Reimagine Building Massive Impact (Sept 19): https://events.ringcentral.com/events/reimagine-buildings-massive-passive/registration

    https://ukphc.org.uk/

    Thank you for listening to the Passive House Podcast! To learn more about Passive House and to stay abreast of our latest programming, visit passivehouseaccelerator.com. And please join us at one of our Passive House Accelerator LIVE! zoom gatherings on Wednesdays.

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    49 min
  • 254: Green Building United Revive Panel
    Sep 9 2025

    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, hosted by Green Building United, examines a project aligning with the new Phius REVIVE standard and the Living Building Challenge core principles. Listen as they discuss the integration of these standards, the challenges of retrofitting row homes, and the educational impact of their collaborative series. Discover key takeaways, innovative approaches to sustainability, and the surprising synergies between these certification programs. Tune in for an insightful exploration of how theory meets practice in sustainable building retrofits.

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    1 h et 17 min
  • 253: Gaelen McKee on Brooklyn SolarWorks
    Sep 2 2025

    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 into ground-mounted solar installations. Galen also touches on the impacts of tariffs, permits for residential batteries, and the future of whole-home electrification in New York City.

    https://brooklynsolarworks.com/

    Thank you for listening to the Passive House Podcast! To learn more about Passive House and to stay abreast of our latest programming, visit passivehouseaccelerator.com. And please join us at one of our Passive House Accelerator LIVE! zoom gatherings on Wednesdays.

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    1 h et 4 min
  • 252: Building Beyond Compliance with Jessica Allen
    Aug 26 2025

    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 focus on mitigating moisture risks. Jessica emphasizes the importance of proper construction practices and ventilation in preventing mold, touching on the challenges of getting builders and homeowners to adopt better practices. She highlights the relevance of Passive House standards and her involvement in promoting building science in Australia.


    https://www.linkedin.com/in/jessica-allen-esd/

    https://www.climasure.com.au/

    https://www.endurobuilders.com.au/

    https://building-sciology-poddie.podcastpage.io/?v=lfcm

    https://www.instagram.com/building.sciology/

    https://www.instagram.com/building.sciology/

    https://www.tiktok.com/@building.sociology

    Thank you for listening to the Passive House Podcast! To learn more about Passive House and to stay abreast of our latest programming, visit passivehouseaccelerator.com. And please join us at one of our Passive House Accelerator LIVE! zoom gatherings on Wednesdays.

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    45 min
  • 251: Future Vision: Michael Quast on Leading Passive House Canada
    Aug 19 2025

    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 Michael's journey to Passive House Canada, his experience with straw bale construction, and his focus on fostering collaboration and breaking down silos within the sustainability sector. This episode highlights the importance of engaging both the building community and consumers to promote high-performance, energy-efficient buildings.

    https://www.passivehousecanada.com/

    Thank you for listening to the Passive House Podcast! To learn more about Passive House and to stay abreast of our latest programming, visit passivehouseaccelerator.com. And please join us at one of our Passive House Accelerator LIVE! zoom gatherings on Wednesdays.

    https://passivehouseaccelerator.com/articles/passive-house-helping-shape-state-energy-codes

    https://passivehouseaccelerator.com/podcast/passive-house-podcast-ep-36-robyn-wark-bc-hydro

    https://passivehouseaccelerator.com/podcast/passive-house-podcast-encore-ep-robyn-wark-bc-hydro

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    52 min