Bill Spohn

Building HVAC Science

Exploring the science, people, and practices shaping better buildings.

The Building HVAC Science Podcast dives into both the technical and human sides of heating, ventilation, air conditioning, and building performance. Hosted by industry veteran Bill Spohn, CEO and co-owner of TruTech Tools, the show reflects Bill's passion for advancing the HVAC craft through practical knowledge, curiosity, and conversation.

With more than 250 episodes and counting, the podcast features discussions with contractors, distributors, manufacturers, educators, and thought leaders from across the HVAC and building science communities. Each episode blends field experience with broader industry perspective, helping professionals stay ahead of trends, sharpen their skills, and build stronger businesses.

Topics include:

New tools, technologies, and field practices
Real-world case studies and lessons learned
Building performance, comfort, and indoor air quality
Industry innovation, workforce development, and the human side of the trades

Whether you're a technician in the field, a business owner, a manufacturer, or simply curious about how buildings breathe and perform, Building HVAC Science connects you with the ideas and voices moving the industry forward.

Listen on Apple Podcasts, Spotify, or wherever you get your podcasts.

This show is a production of TruTech Tools®, LTD.

Website

29 May 2026

EP272 Live from NHPC 2026: Where HVAC, Buildings, and People Intersect With Brynn Cooksey from HVAC-U PART 2 (April 2026)

Quotes from the episode: "High-performance homes are not about the equipment. They are about the outcomes for the people inside." "The gap is not in technology. It is in execution and understanding." "The contractors who win are the ones who connect building science to real human experience." Recorded live at the 2026 National Home Performance Conference in Columbus, this episode of the Building...

22 May 2026

EP271 Live from NHPC 2026: Where HVAC, Buildings, and People Intersect With Brynn Cooksey from HVAC-U PART 1 (April 2026)

15 May 2026

EP270 Scaling with Simplicity: EOS, Growth, and the Malco Evolution With Rich Benninghoff (May 2026)

Quotes from the episode: "We're not just selling tools anymore — we're building solutions that make the trade pro's life easier." "EOS gave us the discipline to focus on what really matters when everything is pulling at you." "(In golf,) you can't hit everything with a driver — great businesses know which tool to use and when." In this episode, Bill talks with Rich Benninghoff about Malco's...

08 May 2026

EP269 Collaboration Over Competition: A New Playbook for Contractors With Rhydon Atzenhoffer (April 2026)

Quotes from the episode: "Great equipment doesn't build a reputation. Great technicians do." "Use AI like a tool, not a crutch. The work still belongs to the person in the attic." "We're missing mentorship across generations, and that gap is costing the trades more than we realize." In this episode, Bill sits down with Rhydon Atzenhoffer, host of the HVAC R&D Podcast, for a wide-ranging...

01 May 2026

EP268 Fresh Air Without the Penalty: Reinventing Ventilation for Real Homes With Austin Riesenberger from Swerv (April 2026)

Quotes from the episode: "If you're building something new, it has to be better in almost every way or it won't catch on." "The stuff that's bad inside your home doesn't filter out, you have to move it out." "We stopped over-modeling and just started testing in the real world as fast as possible." This episode of the Building HVAC Science Podcast features Austin Riesenberger, founder of Swerv...

24 April 2026

EP267 Why Refrigerant Compliance Is Becoming a Profit Center With Adma Dykstra (March 2026)

Quotes from the episode: "It's a solution to a problem people don't even know they have." "Compliance is no longer just paperwork. It's becoming part of how smart contractors protect margin and keep access to refrigerant." "What GPS did for traffic, shared HVAC documentation could do for equipment history, refrigerant tracking, and accountability." In this episode of the Building HVAC Science...

17 April 2026

EP266 Legacy, Ego, and the Baton Pass: Real Talk on Family Business Succession With Bryan Orr, Robert Orr, Bill Spohn and Billy Spohn (February 2026)

Quotes from the episode: "The emotional side of letting go and the identity shift is something nobody really warns you about." "Clarity is kindness, especially when the chips are down." "Intelligence gets beaten by emotional regulation and patience every day." (Tommy Mello) This episode is a true "collab" between Building HVAC Science and HVAC School Podcasts, with Bill Spohn Sr. and Bill "Billy"...

10 April 2026

EP265 Why Heat Pumps Fail: It's Not the Equipment, It's the House With Larry Waters and Alex Sloan (February 2026)

EPISODE QUOTES "Anyone can install a heat pump, but if you don't understand how houses work, you're gambling with comfort." "Our intake process is a pre-screen. We want customers who already want the heat pump." "Electrify everything is cute. Electrify efficiently is the job." In this episode of the Building HVAC Science Podcast, Bill Spohn and Eric Kaiser talk with Larry Waters and Alex Sloan of...

03 April 2026

EP264 The Unsung Heroes of HVAC Education, Mentors Who Built the Trade With Howard Weiss and Renee Tomlinson (February 2026)

"There are people who teach for income, and people who teach for outcome." "You want to grow an industry, you can't ignore half America." "Become an unsung hero, mentor someone, and give back to the industry you love." In this episode of Building HVAC Science, Bill and Eric are joined by Renee Tomlinson and Howard Weiss from ESCO Institute (and HVAC Excellence) to talk about a theme that does not...

27 March 2026

EP263 Surviving and Thriving in HVACR: Lessons from the Field With Rick Dirmeyer (February 2026)

"The more you know, the more you're worth and the harder you are to replace." "Just because you're a great technician doesn't mean you're ready to run a business." "You can't buy the satisfaction of helping someone you may never meet." Bill sits down with Rick Diermeyer, better known to many in the trade as the face behind the HVACR Survival YouTube channel. Rick shares the origin story of his...