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Passive House Podcast

Matthew Cutler-Welsh, Zack Semke, Mary James, and Ilka Cassidypassivehouseaccelerator.com

Interviews with the leaders, practitioners, and change-makers in the global Passive House movement. A production of Passive House Accelerator.

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Episodes

Adam Souter – Souter Built

Passive House Podcast cohost Matthew Cutler-Welsh interviews Adam Souter, Director of Souter Built in Sydney, Australia about his approach to high performance building design and his remarkable Pepper Tree Passive House project. View an article of the project here: https://www.realestateview.com.au/news/nsw/unanderra-builder-unveils-region-s-first-passive-house/ At the end of the episode, Matthew and cohost Zack Semke discuss upcoming events, links to which can be found here: https://passivehous...

Apr 08, 202257 minSeason 2Ep. 82

Ben Caine – Leanhaus

Passive House Podcast cohost Matthew Cutler-Welsh interviews Ben Caine, an Architect and Passive House Designer based in Perth, Western Australia. As Matthew discovered in this interview, Ben has a passion and knack for making good design look simple. After an early career working in the film industry, Ben decided that he really wanted to do something that would make a difference to people’s lives. So in his mid-twenties, he went back to college to become an architect. He has made the most of th...

Apr 04, 202258 minSeason 2Ep. 81

Nakita Reed – Quinn Evans Architects

Passive House Podcast cohost Zack Semke interviews Nakita Reed, CPHC, Associate at Quinn Evans Architects, Co-Chair of the Zero Net Carbon Collaboration, and host of the Tangible Remnants podcast that explores the interconnectedness of architecture, sustainability, historic preservation, race, and gender. Nakita is the recipient of the 2018 AIA|DC Emerging Architect Award and the 2022 AIA Young Architects Award. In this episode, Nakita shares about her work bringing the fullness of American hist...

Mar 28, 202248 minSeason 2Ep. 80

Christina Aßmann – Passive House Consultant

Guest cohosts Mary James and Ilka Cassidy interview independent consultant Christina Aßmann, who has her fingers in many pies. Christina is a senior architect and building scientist with 18 years of professional experience who works with Passive to Positive as a Passive House consultant, is an energy code trainer, and a member of the Technical Working Group for NY’s Stretch 2023 Energy Code Development, and also educates aspiring architects. After the interview, show cohosts discuss upcoming eve...

Mar 20, 202254 minSeason 2Ep. 79

Toby Tilsley – Craft Homes

Toby Tilsley is a builder, Certified Passive House Tradesperson, and Homestar® Practitioner and Assessor with 20 years of project management experience and over 15 years of practical knowledge gained in the Auckland building market. He is the founder and director of Craft Homes, a company specializing in healthy, energy-efficient, and sustainable residential building. In this interview, Toby shares with Passive House Podcast cohost Matthew Cutler-Welsh why he started building in the first place,...

Mar 14, 20221 hr 8 minSeason 2Ep. 78

Pablo Sepulveda – Aurecon

Cohost Matthew Cutler-Welsh interviews Victoria, Australia-based architect Pablo Sepulveda, of the engineering and design firm Aurecon. The two discuss Pablo's affinity for engineering due to the design power it confers, as well as his work on the pioneering Ngā Kāinga Anamata project in Auckland, New Zealand. Ngā Kāinga Anamata is a pilot social housing project whose five buildings (30 units total) explore various approaches to reducing both operational and embodied carbon, including Passive Ho...

Mar 06, 202259 minSeason 2Ep. 77

Alex Slater – Shared Space Architecture

Cohost Matthew Cutler-Welsh interviews Melbourne-based Alex Slater, architect at Shared Space Architecture, Passive House Designer, and NatHERS Assessor. Alex shares how he's combined building science and art in his professional work modeling and designing high-performance buildings; how his initial interest in the energy modeling engine behind Australia's NatHERS rating system led naturally to an interest in the Passive House Planning Package (PHPP) and Passive House more generally; and how bui...

Feb 28, 202255 minSeason 2Ep. 76

Clara Ha – ChoShields Studio

Guest cohosts Ilka Cassidy and Mary James interview Clara Ha, an educator and a licensed architect working in New York City. She is an Associate at ChoShields Studio, a Passive House Certified architecture studio, where she oversees small to medium scale projects designed for a sustainable environment. She has taught architecture at the New York Institute of Technology since 2011 before joining Pratt in 2019 and has held an architectural workshop in Copenhagen, Denmark. After the interview, the ...

Feb 21, 20221 hrSeason 2Ep. 75

Sloan Ritchie – Cascade Built

Sloan Ritchie, owner of builder/developer Cascade Built, is a pioneer in the Passive House movement in Seattle, responsible for several major multifamily Passive House projects in the city. His mission is to demonstrate the scalability and feasibility of using Passive House construction techniques to build cost-competitive high-performance projects, establishing Seattle as a leader in the nation and changing the way people think about where they live and work. He's making good progress at it, an...

Feb 14, 202250 minSeason 2Ep. 74

Giorgia Tzar – International Passive House Association

Cohost Matthew Cutler-Welsh interviews Giorgia Tzar, a familiar guest on the Passive House Podcast. Now based in Stuttgart, Germany Giorgia runs the International Passive House Association at the Passive House Institute. Throughout the last couple of years, we've all had to work a bit differently, but the work has continued. Interest in Passive House is growing strongly around the world, not just with designers and building owners. Governments and policymakers are paying attention. In this catch...

Feb 07, 202249 minSeason 2Ep. 73

Juhee Lee-Hartford + James Hartford – River Architects

Cohost Zack Semke interviews Juhee Lee-Hartford and James Hartford of River Architects, the Hudson Valley-based architecture firm that has been pioneering Passive House design for over a decade. Juhee and James share how they met, how both building science and design excellence motivate their work, and the community of practice that they have been part of building in New York State. Cohost Mathew Cutler-Welsh and Zack discuss upcoming Passive House events, links to which can be found at: https:/...

Jan 31, 202252 minSeason 2Ep. 72

Amy Tankard – Passive House Institute New Zealand

Passive House Podcast cohost Matthew Cutler-Welsh interviews Amy Tankard, the inaugural Chief Executive Officer of Te Tōpūtanga o te Whare Korou ki Aotearoa - Passive House Institute NZ. Coming from a background of management and HR, the appointment of Amy by the board of PHINZ marked a concerted effort to consolidate the growth of Passive House in Aotearoa New Zealand. Like many affiliate organizations around the world, PHINZ began as a small group of passionate volunteers and has evolved into ...

Jan 24, 202256 minSeason 2Ep. 71

Anne Vogt – VAND arquitectura

Passive House Podcast guest cohosts Mary James and Ilka Cassidy interview Anne Vogt of VAND arquitectura passivhaus based in Madrid, Spain. Anne shares her introduction to Passive House in Germany, the connections she found between bioclimatic design and Passive House design, her work to help establish the Plataforma de Edificación Passivhaus (PEP), and her extensive portfolio of Passive House work in Spain. At the end of the episode, the cohosts discuss upcoming events. Find links here: https:/...

Jan 17, 202259 minSeason 2Ep. 70

Kevin Brennan – Brennan Brennan Insulation and Airtightness

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 hi...

Jan 11, 202256 minSeason 2Ep. 69

Sy Safi – Ubergreen Spaces + Homes

Passive House Podcast cohost Zack Semke interviews Sy Safi, founder of Louisville, Kentucky-based design/build company, Ubergreen Spaces + Homes. Sy has been a leader in green building and design for well over a decade. In 2012 he created My Green Kentucky Home, a model home that is Kentucky's first Net Zero Energy, Net Zero Water home certified LEED Platinum by the US Green Building Council. Since then, he's adopted the most stringent third-party programs in the Living Building Challenge, Passi...

Jan 03, 202253 minSeason 2Ep. 68

Chris Nunn – David Baker Architects

Matthew Cutler-Welsh interviews Chris Nunn, a sustainability advocate working to bring Passive House to mainstream attention. At the time of our interview, Chris was just completing a successful four-year term as Chair of the Australian Passive House Association. As well as overseeing significant growth in the uptake of Passive House in Australia during that time, Chris' experience of Passive House culminated in the completion of his own home project in 2021. The suburban Sydney Passive House Pr...

Dec 28, 20211 hr 8 minSeason 2Ep. 67

Katie Ackerly – David Baker Architects

Guest cohosts Mary James and Ilka Cassidy interview architect Katie Ackerly, sustainable design lead at David Baker Architects (DBA). Katie is an industry thought leader with a deep grounding in building science and energy efficiency policy. The three discuss DBA's sustainability framework and its innovative approaches to zero net energy and all-electric multifamily housing. Katie also talks about DBA’s collaboration with Rocky Mountain Institute’s REALIZE-CA initiative to catalyze equitable zer...

Dec 20, 202157 minSeason 2Ep. 66

Bonus: James Geppner at PhiusCon 2021

In this special bonus episode recorded at the PhiusCon 2021 conference in Tarrytown, New York, Passive House Podcast co-host Zack Semke interviews James Geppner, RetrofitNY Senior Project Manager at NYSERDA (the New York State Energy Research and Development Authority). Thank you to NYSERDA for supporting Passive House Accelerator as a Stakeholder Partner. Thank you, too, to ROCKWOOL North America for underwriting our interviews at PhiusCon2021. https://www.rockwool.com/north-america/ View a vid...

Dec 16, 202116 minSeason 2Ep. 77

Bonus: Pat Fitzgerald at PhiusCon 2021

In this special bonus episode recorded at the PhiusCon 2021 conference in Tarrytown, New York, Passive House Podcast co-host Zack Semke interviews Pat Fitzgerald, Senior Project Manager at NYSERDA (the New York State Energy Research and Development Authority). Thank you to NYSERDA for supporting Passive House Accelerator as a Stakeholder Partner. Thank you, too, to ROCKWOOL North America for underwriting our interviews at PhiusCon2021. https://www.rockwool.com/north-america/ View a video version...

Dec 16, 20217 minSeason 2Ep. 76

Skylar Swinford – Energy Systems Consultants

Skylar Swinford , principal of Energy Systems Consultants and longtime member of the Phius Technical Committee, is a widely recognized North American Passive House consultant and thought leader based in Boise, Idaho. Podcast cohost Zack Semke, who worked with Skylar at Hammer & Hand when that Pacific NW builder was playing a pioneering role in Passive House, spoke with Skylar about his unique pathway to Passive House, his experience building and consulting on his own recently-completed Passi...

Dec 13, 20211 hr 17 minSeason 2Ep. 65

Bonus: John Woelfling at PhiusCon 2021

In this special bonus episode recorded at the PhiusCon 2021 conference in Tarrytown, New York, Passive House Podcast co-host Zack Semke interviews John Woelfling, principal at Dattner Architects. Thank you to ROCKWOOL North America for underwriting our interviews at PhiusCon2021. https://www.rockwool.com/north-america/ View a video version of this episode at: https://youtu.be/zy6sZxTF7L4 Thank you for listening to the Passive House Podcast! To learn more about Passive House and to stay abreast o...

Dec 09, 20219 minSeason 2Ep. 75

Bohemia Hookham – DesignInc Melbourne

Bohemia Hookham is a registered architect and Certified Passive House Designer based in Melbourne, Australia and is playing a key role in the creation of one of Australia’s latest groundbreaking Passive House projects. Just North of the city of Melbourne the Glenroy Community Hub will be the first Passive House of its type in the country. Matthew Cutler-Welsh caught up with Bohemia to talk about how the inception of this project and some of the design challenges of adhering to the Passive House ...

Dec 06, 202150 minSeason 2Ep. 64

Bonus: Michael Ingui and Shannon Pendleton at PhiusCon 2021

In this special bonus episode recorded at the PhiusCon 2021 conference in Tarrytown, New York, Passive House Podcast co-host Zack Semke interviews Michael Ingui, principal at Baxt Ingui Architects and founder of Passive House Accelerator, and Shannon Pendleton, principal at Sanderson Sustainable Design and cohost of the Accelerator's Construction Tech program. Thank you to ROCKWOOL North America for underwriting our interviews at PhiusCon2021. https://www.rockwool.com/north-america/ View a video...

Dec 04, 202115 minSeason 2Ep. 74

Bonus: Steve Hessler at PhiusCon 2021

In this special bonus episode recorded at the PhiusCon 2021 conference in Tarrytown, New York, Passive House Podcast co-host Zack Semke interviews Steve Hessler, co-founder of Holzraum System. Thank you to ROCKWOOL North America for underwriting our interviews at PhiusCon2021. https://www.rockwool.com/north-america/ View a video version of this episode at: https://youtu.be/Sy-BzEzZsmQ Thank you for listening to the Passive House Podcast! To learn more about Passive House and to stay abreast of o...

Dec 03, 202113 minSeason 2Ep. 73

Joseph Lyth – Respond Architects

Passive House Podcast cohost Matthew Cutler-Welsh interviews Joseph Lyth, CPHC and architect at Respond Architects in Auckland, about life in his own Passive House with his wife and three kids. This episode of the Passive House Podcast is a follow-up to Matthew's interview of Joseph about a year ago on Matthew's Homestyle Green Podcast, when construction of the house was underway. Listen to that interview (Episode #253) here: https://open.spotify.com/episode/5H1OAyb3RDSO1gtlCh2Hxg And see photos...

Nov 29, 202151 minSeason 2Ep. 63

Bonus: Ilka Cassidy at PhiusCon 2021

In this special bonus episode recorded at the PhiusCon 2021 conference in Tarrytown, New York, Passive House Podcast co-host Zack Semke interviews Ilka Cassidy, frequent guest host of the Passive House Podcast and co-founder of Holzraum System. Thank you to ROCKWOOL North America for underwriting our interviews at PhiusCon2021. https://www.rockwool.com/north-america/ View a video version of this episode at: https://youtu.be/bZ7mvPppMT4 Thank you for listening to the Passive House Podcast! To lea...

Nov 28, 202113 minSeason 2Ep. 72

Bonus: Ian Findlayson at PhiusCon 2021

In this special bonus episode recorded at the PhiusCon 2021 conference in Tarrytown, New York, Passive House Podcast co-host Zack Semke interviews Ian Findlayson of the Massachusetts Department of Energy Resources. Thank you to ROCKWOOL North America for underwriting our interviews at PhiusCon2021. https://www.rockwool.com/north-america/ View a video version of this episode at: https://youtu.be/94QIF3VRgu0 Thank you for listening to the Passive House Podcast! To learn more about Passive House an...

Nov 24, 202115 minSeason 2Ep. 71

Bonus: Tom Bassett-Dilley at PhiusCon 2021

In this special bonus episode recorded at the PhiusCon 2021 conference in Tarrytown, New York, Passive House Podcast co-host Zack Semke interviews Tom Bassett-Dilley of TBDA. Thank you to ROCKWOOL North America for underwriting our interviews at PhiusCon2021. https://www.rockwool.com/north-america/ View a video version of this episode at: https://youtu.be/F5g7aU1LRQs Thank you for listening to the Passive House Podcast! To learn more about Passive House and to stay abreast of our latest programm...

Nov 23, 202116 minSeason 2Ep. 70

Angela Iraldi – Re:Vision Architecture

Guest Passive House Podcast cohosts Mary James and Ilka Cassidy interview Angela Iraldi, Senior Project Manager at Re:Vision Architecture, about her work as a PHIUS+ Verifier, Passive House's position in the green building scene in Philadelphia, the origins and evolution of Green Building United, and more. For links to the events discussed after the interview, visit: https://passivehouseaccelerator.com/articles/passive-house-week-in-preview-november-22 Thank you for listening to the Passive Hous...

Nov 22, 202157 minSeason 2Ep. 62

Bonus: Lindsey Elton at PhiusCon 2021

In this special bonus episode recorded at the PhiusCon 2021 conference in Tarrytown, New York, Passive House Podcast co-host Zack Semke interviews Lindsey Elton of Eco Achievers. Thank you to ROCKWOOL North America for underwriting our interviews at PhiusCon2021. https://www.rockwool.com/north-america/ View a video version of this episode at: https://youtu.be/ZjKNnFa_BrQ Thank you for listening to the Passive House Podcast! To learn more about Passive House and to stay abreast of our latest prog...

Nov 21, 202113 minSeason 2Ep. 69
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