The Flow Lab
The Flow Lab
Podcast Description
Explore building science with The Flow Lab Podcast, hosted by Ben Walker and Sam Meyers of Retrotec.
Discover building envelope and HVAC ductwork airtightness, featuring discussions with industry leaders on evolving codes, energy efficiency, and sustainability.
Learn from pioneers and case studies to enhance your expertise. Join our community and lead in building science.
Follow The Flow Lab Podcast for insights and innovations in building performance.
Podcast Insights
Content Themes
The podcast centers around building science, energy efficiency, and HVAC technology. Specific topics include discussions on building envelope airtightness, blower door testing, and innovations in sustainable construction. Episodes feature case studies like the origins of the blower door with Colin Genge and the story behind the Saskatchewan Conservation House with Harold Orr, covering the evolution of air leakage testing and its impact on modern air-tightness standards.

Explore building science with The Flow Lab Podcast, hosted by Ben Walker and Sam Meyers of Retrotec. Discover building envelope and HVAC ductwork airtightness, featuring discussions with industry leaders on evolving codes, energy efficiency, and sustainability. Learn from pioneers and case studies to enhance your expertise. Join our community and lead in building science. Follow The Flow Lab Podcast for insights and innovations in building performance.
Ben Walker and Sam Myers sit down with Jake Bruton to talk blower door testing, airtightness, and why data beats opinions every time. Jake explains why he tests multiple times during a build, what leak paths still surprise teams, and how those checks reduce risk and callbacks. They also get into vetting HVAC contractors for low load homes and why buy-in matters more than bravado. If you are serious about building better, share this with a builder who still “just knows” it’s tight.
Show Notes:
00:00 Data Over Opinions
00:59 Three Test Strategy
03:09 When To Test
05:07 Hidden Leakage Spots
06:19 The 30% Drop
08:57 Solving The Lid
19:16 Vetting HVAC Subs
25:21 Advice For Builders
31:31 Tight Means Tested
38:59 Where To Learn
49:41 Buy The Blower
Connect with:
Jake Bruton
Website: www.aarowbuilding.com
Instagram: https://www.instagram.com/jake.bruton
Follow Hosts:
Ben Walker (Co-CEO, Retrotec)
LinkedIn: https://www.linkedin.com/in/ben-walker-4a05901/
Sam Myers (Building Science Specialist & Trainer)
LinkedIn: https://www.linkedin.com/in/sam-myers-ms-a9a4a546/
Website: https://retrotec.com/
Facebook: https://www.facebook.com/retrotec/
Instagram: https://www.instagram.com/retrotec/
YouTube: https://www.youtube.com/@RetrotecEnergy/
Listen on
Spotify: https://open.spotify.com/show/3xMDAhIttUTHWK41DH7KhB
Don’t forget to subscribe for more episodes on airtightness, ventilation strategies, and innovations in building science!
#BuildingScience #AirtightnessTesting #EnergyEfficiency #BuildingPerformance #HVAC #Retrotec #GreenStar #EnergyWaste #HomeImprovement

Disclaimer
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