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...

Author

Bill Spohn

Category

Education

Podcast website

www.buildinghvacscience.com

Latest episode

Jul 10, 2026

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Episodes

EP78 Propane HVAC systems with Bryan Cordill of PERC (June 2020) 03.06.2022

On today's podcast we are joined by Bryan Cordill, the Director of Residential and Commercial Business Development at the Propane Education and Research Council.   Bryan has decades of experience in the world of propane and in the energy industry in general.    We cover topics ranging from propane as a source of space & water heating, cooking, mobile energy including school buses, to combined heat...

EP77 Energy Demand as Resource with Matt Golden of Recurve (Oct. 2019) 27.05.2022

Matt Golden is Founder and CEO of Recurve a company that connects the dots between efficiency, electrification, renewable energy, and DERS (distributed energy resources).   Recurve's mission is to accelerate the transition to a clean energy economy by integrating behind the meter demand flexibility resources into the emerging carbon-free energy grid.   Distributed Energy Resources (DERs) can be de...

EP76 How to market invisible performance with Max Rohr (Feb. 2020) 20.05.2022

Max Rohr (formerly with Rehau as the Marketing and Academy Manager for Building Solutions) spends some time explaining for us the process of creating and marketing products to move energy in water, that is radiant heating and cooling systems, as well as plumbing applications with Pex.   We learn about both Max's background and the background of the Rehau company which has 20,000 employees in 55 co...

EP75 What it's like working at Kalos with Austin Klokus (Nov. 2019) 13.05.2022

I was impressed with Austin Klokus when I first met him on a trip to Kalos Services (The Orr Family HVAC/Mechanical business in Clermont FL) a few years ago.   He was working as a senior videographer at the time where he had soaked up knowledge from Bryan Orr and others and taught himself the skills necessary to do fulfill this role.   I loved it when he used the phrase "air is stuff" in one of hi...

EP74 Where you can go with passion and persistence with Craig Migliaccio (April 2022) 06.05.2022

I can easily summarize this episode with a single quote from Craig's LinkedIn bio:   "Remember that we are all teachers and need to invest in others to succeed."   You may have heard of Craig; as his HVAC Training books and YouTube videos continue to grow in popularity. Find him on the AC Service Tech Channel on YouTube.   He's always been a problem solver including solving the problem of teaching...

EP73 Creating superb customer service with Steve Coscia (Sep 2021) 22.04.2022

I'm so pleased to welcome my friend Steve Coscia to the podcast!   You may have heard of him; he focuses on training customer service skills especially in the world of HVAC.   As a master communications trainer, he gets his points across via memorable story telling.   He holds awesome in-person training sessions (he has been to TruTech Tools twice!) and has books, newsletters, materials, and video...

EP72 Energy Efficiency, decarbonization and sustainability with John Sheff from Danfoss (Aug. 2021) 15.04.2022

In today's podcast we hear from John Sheff who was the director of Public and Industry Affairs for Danfoss at the time of this recording.   We learn how John's passion about energy efficiency, decarbonization and sustainability combines with his professional experience in Public Affairs, Government Relations, Project Management and Business Development to help develop strong solutions that meet ou...

EP71 Helping contractors, technically and through marketing services- a conversation with Tom Jackson (Sept. 2019) 08.04.2022

Tom Jackson has a passion for the HVAC Trades and it shows through in what he does as leader of Jackson Systems and Supply.   Tom is a true entrepreneur following where his customers lead him.   His company focuses on product development and support and solves some real head scratcher problems with products and services that you won't find elsewhere.   Services like Filter Fetch – making it easy o...

EP70 Getting an early start in the trades with Elana and Jordan Day (March 2022) 01.04.2022

The title for this episode could mean a couple things: "Getting an early start" as in developing an early morning routine "Getting an early start" as in beginning to learn the trades in high school   Well, Elana Day takes the second meaning to an extreme.   Join us as Elana and her dad, Jordan, describe how she has become a LinkedIn phenom with a video of hers gathering thousands of views in a ver...

EP69 From particle accelerators to radon measurement, the Airthings story with Erlend Bolle (Jan 2022) 18.03.2022

This is my first interview with a founder of a publicly traded company and my second interview with a European guest!   Meet Erlend Bolle, whose life journey took him from working at CERN to a building a global, publicly traded company that innovates consumer and professional grade radon and indoor Air quality Monitors.   His team's initial goal was to create a product relevant for all in volume p...

EP68 Sustainability for homes with Brett Little 11.03.2022

Brett approaches sustainability with thoughtfulness and enthusiasm.   He is the Program Manager at GreenHome Institute, has been involved in residential sustainability since 2008, and holds a bachelor's in Sustainable Business.    Brett has provided consulting and verification services on thousands of residential green-certified living spaces and certified four projects as a LEED Green Rater. Bret...

EP67 Residential HVAC design has not changed much in 20+ years with Russ King (Aug 2021) 04.03.2022

Russ King is a rare breed.   He is equally inventor, author (both technical and fiction), software developer, design practitioner, instructor and installer.   Above all that, he is passionate, thoughtful, kind, smart and loves to share what he knows.   If you get a chance, go see Russ present some time.   You can find Russ on LinkedIn: https://www.linkedin.com/in/russell-king-m-e-70342913/   He's...

EP66 The Art & Science of Healthy Homes with Joe Medosch 25.02.2022

Joe is one of the coolest guys I know. He probably doesn't think of himself that way.   He's been so influential in changing the perception and understanding of IAQ and healthy homes in the last few years.   And he is SO PASSIONATE about getting people to understand. He is always testing products and building props and animations to teach others.   If you get a chance, go see Joe present some time...

EP65 Let's talk mold with Jason Earle (January 2022) 18.02.2022

Jason Earle of GotMold.com gives a fascinating tour of his personal journey and how he ended up breaking the price barrier for lab testing of mold in the air.   Jason has set up a special landing page for our listeners: https://www.gotmold.com/ trutech   AND… a 10% discount code just for you! Trutech10 This episode was recorded in January 2022.

EP64 All houses are different, some can be deadly with Paul Raymer (Sept 2021) 11.02.2022

Paul's a unique, but complex man: equal parts scientist, inventor, business owner, practitioner, and author.   Paul's technical website is https://www.heyokasolutions.com/aboutus.asp and his publishing website is https://www.paulhraymer.com/ , Salty Air Publishing   The Residential Ventilation Handbook is a must read for those in building science.   This episode was recorded in Sept 2021.

EP63 The History and Mission of UEi with Michael Kane (Sept 2021) 04.02.2022

I'm so happy to bring the voice, thoughts, and ideas of Michael Kane to the Building HVAC Podcast!   You'll hear about the art and process of product development that has evolved through 2 generations of ownership of this family business.    Michael is a man of patience and empathy and greatly respects the dignity, value and skill of the trades, He hopes to create the best products for people in t...

EP62 The Next Evolution in Healthy Air with Dawn Oggier & Brian Kennihan 28.01.2022

Since January is Radon awareness month, I've invited 2 people deeply involved in the Radon industry to be my guests today.   Dawn Oggier, is Manager of Market Development for RadonAway and  National Director for AARST – the American Association of Radon Scientists and Technologists ( https://aarst.org/)   Brian Kennihan is the Business Development Manager for AprilAire.   If you are catching this...

EP61 A unique approach to efficient urban housing with Brian Gaudio (July 2019) 21.01.2022

Brian is on a mission with this company, Module Housing. Their tag line says it all: Designed for people and planet powered by offsite construction. Connect with him on LinkedIn: https://www.linkedin.com/in/briangaudio/ Or via his website: https://www.modulehousing.com/   This episode was recorded in July 2019.

EP60: Inside Inficon with Bob Belvick (July 2020) 06.08.2021

"Research is to see what everybody else has seen,  and to think what nobody else has thought."   Albert Szent-Gyorgyi  I'm certain many of our listeners have had ideas for products of their own.    Trade practitioners are clever and innovative on the job and so, able to see new ways to "connect the dots" and solve a problem.   How do you go from idea to successful product on the market?   How long...

EP59: How I built Halco with Hal Smith (Dec 2019) 30.07.2021

"Repetition makes reputation and reputation makes customers."   Elizabeth Arden Fortune may come knocking, but sometimes the sound is very faint, almost imperceptible.   When someone takes you under their wing, how do you know if that's where you want to be?   If the bug to start your own business bites, what do you do next? Where can you learn from others' experience and insights? We're pleased t...

EP58: Genry Garcia: An inspiring contractor's story (June 2021) 23.07.2021

"I can't change the direction of the wind, but I can adjust my sails to always reach my destination."   Jimmy Dean Many of the people I meet in the industry have interesting stories. There are struggles and challenges in all their lives, our lives.   What if a real police state was limiting your options in life?   How would you direct your will? Your desire? Your drive to achieve? I met our guest...

EP57: IAQ Devices & Technology Perspectives from the Isle of Man with Big Clive 16.07.2021

"Any sufficiently advanced technology is indistinguishable from magic."   Arthur C. Clarke The topic of how to manage and improve indoor air quality comes up a lot lately.   With all this interest come the offer of many "solutions" and devices.   Wish you could learn the back story of and technology inside some of these devices?   Ever wonder about the international perspectives on the topic of IA...

EP 56 School IAQ and Astrophotography with Steve Pascuzzo from Testo (Jan 2021) 09.07.2021

"Astronomy's much more fun when you're not an astronomer."   Brian May COVID-19 has impacted the way people interact for many months. Especially the way people interact with each other in spaces outside their homes.   What do the air quality scientists have to say about the management of indoor air?   What kind of measurements are significant and important?   Will this pandemic impact the way we d...

EP55: SpohnHome: The Energy Vanguard Investigates (Apr. 2021) 02.07.2021

"When you are enthusiastic about what you do, you feel this positive energy.  It's very simple."   Paulo Coelho The construction is finished. Bill and Mairlyn moved in months ago.   What's it been like for Bill living inside his theories?   Were any late course corrections necessary? Any regrets? In this podcast, recorded in April 2021, our friend Allison Bailes (The Energy Vanguard) becomes host...

EP54: SpohnHome Interview of Bill Spohn hosted by Nate Adams of HVAC 2.0 (May 2020) 25.06.2021

"Have nothing in your house that you do not know to be useful,  or believe to be beautiful."   William Morris His head has been wrapped up in building and HVAC performance since the late 1980s.    How does he sort through bringing his personal vision for his own home to reality?   What's it like actually living inside your theories? In this podcast, recorded in May 2020, our friend Nate Adams (fro...

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