Episodes
Aug. 11, 2023
EP128 He blinds us all with science or not? with Allison Bailes (July 2023)
(He blinded us with science) (Science) (Science) (Science) Actually he spends a lot of time illuminating us with details about building science. Join us as Allison Bailes, “a well known troublemaker and a general pain in the asterisk”...
Aug. 4, 2023
EP127 ACCA Standards help contractors build knowledge and improve performance with Wes Davis (July 2023)
Wes Davis joins us to provide some definitions, insights, and perspectives on HVAC Codes and Standards from his role as Director of Technical Services at ACCA - The AirConditioning Contractors of America. We dig into details of the ANSI/RESNET/ACCA...
July 28, 2023
EP126 Forced to learn the fundamentals in order to make the math and science work with Jim Bergmann (July 2023)
Let me take you back to a time, long, long ago, when Jim Bergmann did not understand everything in HVAC. Listen in as we delve into the story of Jim Bergmann and how the communities of HVAC, and more recently building science, helped to encourage and...
July 21, 2023
EP125 Breaking the cycle of settling for the status quo with Shelby Breger (July 2023)
Connect and support: a kind and noble mission that can span all elements of humanity. Connect in one way to understand. Connect in a second way to bring information streams together. Conduit Tech is developing a means of rapidly connecting...
July 14, 2023
EP124 Business Philosophy, why did we hire an ELK? With Eric Kaiser (July 2023)
A simple episode where Eric Kaiser (ELK) and Bill Spohn (OverKill Bill) riff on TruTech’s business philosophies: Core Values, Purpose and Niche and what kind of actions we take to put these words into action in the world. Also what we feel it means...
July 7, 2023
EP123 Business owner feature When's a good time to think about succession with Laurie Barkman (June 2023)
This episode should be helpful to business owners. However, anyone working IN a business should find it interesting to know more about one of the topics on the mind of many business owners: business succession planning. After walking the walk of...
June 30, 2023
EP122 Applying disciplined interrelationships leads to better buildings with Brian Uhler (June 2023)
Brian Uhler calls himself a naturally observant builder. This personal characteristic has served him well as understands the residential construction market with some keen observations. Join as Brian explains how he came to learn about building...
June 23, 2023
EP121 An unapologetic solocast with Bill Spohn (June 2023)
Listen in as Bill chats with… himself! Again! He shares some recent, personal and business encounters and discussions that left an impression on him. We hope you find them interesting. This episode was recorded in June 2023.
June 16, 2023
EP120 Mindset and determination made the Mentor with Trevor Matthews (June 2023)
Trevor Matthews shares with us his fascinating life story: from the moment he shifted his life interests from travel and surfing into the trades and as it led to forming the Refrigeration Mentor a training, education and mentorship program for the...
June 9, 2023
EP119 There’s an ELK running around loose at TruTech! with Eric Kaiser (June 2023)
The 349 common connections Eric Kaiser and I share in LinkedIn speak a lot to the common perspectives we share. Yet, it’s in the differences, in the weeds, where the conversation gets interesting. Please welcome Eric Kaiser as TruTech Tool’s new...
June 2, 2023
EP118 Building a thriving business with attentiveness and determination with Jeremy Begley (May 2023)
Jeremy’s been studying the details for many years. Details like: Building and energy codes are becoming more and more stringent. Green building programs are driving more and more high-end construction. Products and construction...
May 26, 2023
EP117 From Aerospace to Aeroseal Zac Reed shares fresh insights into residential duct and air sealing (May 2023)
Zac Reid, Product manager at Aeroseal, joins us today to share the technology, history and applications for Aeroseal products. Aeroseal was developed in Dr. Mark Modera’s California garage in 1993. For the first time ever, it was possible to...
May 12, 2023
EP116 Another of Bill's monologues (May 2023)
Listen in as Bill chats with… himself! He shares some recent, personal and business encounters and discussions that left an impression on him. We hope you find them interesting. This episode was recorded in May 2023.
May 5, 2023
EP115 Advancements in technology through the eyes of Ben Walker at RETROTEC (April 2023)
Listen in as Bill chats with Ben Walker, the Co-CEO of Retrotec about a wide range of technology related topics from sensors to programming to AI-Artificial Intelligence. Ben shares with us his experiences over his career in tech companies, primarily...
April 21, 2023
EP114 The power of Big Picture Thinking with Chris Stephens (April 2023)
In this episode, Bill interviews Chris Stephens Refrigeration Business owner and Social Media Influencer extraordinaire! There are so many nuggets to mine out of this episode, I hope you spend the time to listen to all of it. Chris is truly a...
April 7, 2023
EP113 Mold Restoration: An Insider's view with Michael Rubino of Home Cleanse (March 2023)
In this episode, Bill interviews Michael Rubino founder of We discuss the technical & business aspects of mold removal and where it fits in to addressing and solving mold problems in a home or building. Michael is a forward thinker, having created...
March 30, 2023
EP112 Being Humble, Persistent, and Curious in the Trades With Adam Mufich (March 2023)
In this episode, Bill interviews Adam Mufich, AKA A-Team Adam. You may know Adam from his video podcast, , which is a big collaboration he does with his friends Chris Stephens ( on YouTube), Bill Russell ( on YouTube) and OT Joe (HVACR on YouTube) In...
March 24, 2023
EP111 Putting The V back in HVAC and why you should care With Kevin Hart (March 2023)
In this episode, Bill chats with Kevin Hart, the founder of HAVEN, a start up that makes a unique IAQ sensor/control system. Hear from Kevin about his background as an electrical contractor and how he came up with the idea for Haven, as well as all...
March 17, 2023
EP 110 Bill's rambling again, uh oh (March 2023)
In this episode, Bill explains some of the activities that are keeping him bust lately The National HVACR Education Conference The National Home Performance Conference The National Comfort Institute (NCI) HVAC Summit Goldman...
March 3, 2023
EP109 A new product concept for contractors interested in residential electrification with John Hoehn of Duckling (February 2023)
What’s it like to build a tech product from the ground up? How do you validate that a market exists? What tools can you use to gain confidence that you are on the right track? In this week’s podcast, Bill Spohn is...
Feb. 17, 2023
EP108 Eric Kaiser and Bill Spohn share a recap of the 2023 AHR Expo (February 2023)
What do we do with our time? What did I do with my time in the last week? The Bangles said it best: … Time, time, time See what's become of me While I looked around for my possibilities In this episode, Bill is joined by Eric...
Feb. 10, 2023
EP 107 Bill Spohn explains what is keeping him busy lately (Feb 2023)
In this episode, Bill explains some of the activities that have kept him busy in the first few weeks of 2023. The HVACR Symposium: The AHR Expo: Installing a new operating system at TruTech Tools: EOS: This episode was...
Jan. 13, 2023
EP 106 Building Science collides with Health Science, the dawn of a new era with Joe Allen (Jan 2023)
Today, I feel very in tune with this podcast’s stated mission: Building HVAC Science covers a broad array of topics in building science and HVAC diagnostics, as well as human comfort, health, and safety….; this show will take a deep dive...
Dec. 30, 2022
EP105 What's a pretty good house with Dan Kolbert and Chris Briley (Dec 2022)
For several years, in southern Maine, a small group of building professionals have been getting together monthly to discuss building science. Many topics are brought up for discussion: high performance windows, venting cathedral...