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 Passive House movement. Key takeaways included insights on air tightness, ventilation, innovative financing models, and the challenges and successes in scaling up Passive House projects.

https://www.phius.org/phiuscon

Thank you to Ikon Windows for sponsoring this episode of the Passive House Podcast! https://www.ikonwindows.com/

Thanks to Jennie Eber, Tom Bassett-Dilley, Kai Fast, Sayo Okada, Beth Campbell, Beverly Craig, Kazumasa Tsushima, Daiji Sato, and Alexander Gard-Murray for joining us!

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.

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 expansive reach, managing around 40,000 homes, and their current focus on retrofitting existing homes to improve energy efficiency. Highlighting the financial challenges and solutions, including government grants and their in-house subsidy pot. He also delves into the specifics of their Passive House projects, like Cherry Grove, emphasizing the goal of building homes that are affordable, energy-efficient, and environmentally friendly. The conversation concludes with insights into the future of housing in the UK, stressing the importance of sustainable construction methods and energy resilience.

https://www.stonewater.org/

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.

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, focusing on the HERS rating method, its standards, and applications. Tony explains his extensive experience in the energy and engineering fields and how he provides certification services for numerous federal and state programs. He further details the process of becoming a HERS and Phius rater, emphasizing the importance of early engagement in the project, thorough QA protocols, and consistent communication between designers and raters. The episode also highlights case studies, including a modular senior housing project and a panelized straw system, illustrating the complexities and benefits of these high-performance building standards.

https://www.phius.org/

https://integralbuilding.com/

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.