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

EP103 Myth busting with Jason, Clifton and Eugene from ESCO (Dec 2022) 16.12.2022

My three esteemed guests/amigos shed some light on common misconceptions in the HVACR industry. Catch the video version here: https://youtu.be/ZL5-sEOJj0c   We talk about fun topics like: -Heatpumps are only for the south of the Mason-Dixon line -A1 refrigerants are Non-Flammable -A2L refrigerants are Flammable -R32 is a replacement for R410a -Reclaimed refrigerant does not have any value -SEER2 h...

EP102 The Smart Buildings Academy with Phil Zito (Dec 2022) 09.12.2022

Listen in as Phil Zito describes the journey he has taken from being bored, to blogging to building a business that provides top notch online training and workforce development programs.    Formerly known as Building Automation Monthly, a newsletter and podcast in its early years, The Smart Buildings Academy has experienced rapid growth.   As the SBA says on their website: "If you've been looking...

EP101 Creating the world's largest virtual power plant with Shawn McLaughlin of Emporia (November 2022) 02.12.2022

I was thrilled to get the opportunity to interview Shawn McLaughlin, after having been impressed with the simplicity and value of using an Emporia Vue Energy Monitor for a year or so before I met him.    Shawn shares with us his back story that led him from commodities trader to company builder: designer and manufacturer of a suite of powerful, yet inexpensive products used for smart home energy m...

EP100 Electrification in Alaska and other chill topics with Griffin Hagle-Forster (October 2022) 25.11.2022

I met Griffin at the http://www. HabitatX.com conference several years ago and found him to be thoughtful, insightful and a quiet but powerful champion of the principles he believes in.   In todays' podcast we discuss electrification in Alaska, the deep retrofit work Griffin is doing on his own home and several other topics.   Read one of Griffin's posts from the HabitatX Journal: https://medium.c...

EP99 How to retrofit all homes to Net Zero Energy with Adam Stenftenagel of Radiant Labs (Oct 2022) 18.11.2022

Adam is a man full of energy and drive and is always eager to help.   Listen in as Adam describes the arc of his career that started in political activism and currently involves him in software, home decarbonization and net zero retrofits.   Adam shares his insights into the cost vs. benefits of measures as well as a future job classification; Home Project Advisor   Adam's LinkedIn profile: https:...

EP98 Inverters for all with Katie Woodling of Bosch (Oct 2022) 04.11.2022

Katelyn Woodling joins us on today's podcast to discuss the background and development of Bosch IDS Heat Pumps (Inverter Ducted Split).   Katie is the manager of Product management for Bosch Heating and Cooling, North America and works out of the greater Boston area.   Bosch watched market and regulatory trends, listened to customer input, and spent countless hours in the lab testing and perfectin...

EP97 Pattern recognition and the Hero vs. Guide conundrum with Nate Adams (Oct 2022) 21.10.2022

If you are in HVAC, Home Performance, IAQ or follow "electrification" and you HAVEN'T heard of Nate Adams, you will do yourself good to listen to this podcast or follow some of the links below.   Oh, and we did not get into the awesome AirBnBs he and his wife Rachel have created: https://www.airbnb.com/rooms/613585624792425971?source_impression_id=p3_1666127682_6kZMNcYeUIBpWHPr https://www.airbnb....

EP96 A Day in the Life of a Smart Building with Vineet Sinha, JCI (Oct 2022) 07.10.2022

"A day in the life of a smart building. Now spaces have memory and identity."     Now more than ever, facility owners and managers are incorporating smarter and more connected building technologies to improve proactive maintenance, reduce energy use, and create operational efficiencies.    On todays' podcast, Vineet Sinha, VP of Product management at Johnson Controls joins us to shed light on how...

EP95 Did the COVID pandemic teach us anything new about IAQ With Bill Bahnfleth (Sept 2022) 30.09.2022

"Making building IAQ better is a long-term process."   "We had all the answers before the COVID-19 pandemic, we just didn't implement them."   Bill Bahnfleth has a long and distinguished career as a professor of architectural engineering at Penn State University, a consulting and for the US Army Corps of Engineers.   In early 2020, ASHRAE tapped him to become the chair of a rare emergency task for...

EP94 Diving for the details in Climate Zone 2 with Bill Robinson (Sept 2022) 23.09.2022

Previously a commercial diver working offshore on all work below the water line Bill now works a lot around the dew point.   Bill's roots are in residential construction, yet when he returned to that field he   realized he lacked sufficient training he became a sponge for knowledge.   He's spent many hours working at the LSU AgCenter work on rebuilding initiatives after Hurricane Katrina.    In th...

EP93 Motivated & Tactical with Ben Poole (Aug 2022) 16.09.2022

In this episode with Ben Poole, a 3 rd generation HVAC contractor and founder of HVAC Tactical, we hear a lot about motivation and mindset.   "It's you who decides who you want to be."   Ben runs Trusted Heating and Cooling in Austin, TX, yet found time to start the HVAC Tactical Apparel brand as he was searching for a new challenge.    You can easily hear from Ben how he practices what he preache...

EP92 The Future of Energy Ratings is here with Brett Dillon (Aug 2022) 09.09.2022

The best way to describe Brett Dillon, it the quote his LinkedIn profile:   "I am an entrepreneur.   Intensely curious, I transform industries because I see connections that others don't, relentlessly pursue better ways of doing things, and then use my influence to effect the desired change. My action-oriented background and experience provides understanding in a broad range of subjects, and deep...

EP91 Using sensors, data and technology for better IAQ with Ray Wu of WYND (Aug 2022) 02.09.2022

Ray Wu, founder of WYND joins us to stress the importance of an optimal air quality by utilizing modern, innovative technology.   But not just technology alone, Wynd uses the subsequent data to inform IAQ decisions, allowing consumers and building managers across industries to realize a healthier, cleaner tomorrow.   Ray backs up these claims with case studies, in particular one run in a Las Vegas...

EP90 What is the demand for High Performance Contracting Services with Peter Troast (Aug 2022) 26.08.2022

Better Marketing for Better Building Companies- Creating Leads, Lifting Conversions Driving Growth.   That's the motto of the Energy Circle, the brainchild of our guest today, Peter Troast, a rare marketer who's taken technical training in building science, a central topic amongst most of his clients. He's also upgraded his office space for better IAQ and he monitors it.   The Energy Circle has be...

EP89 How a Kid with a backpack set himself up for success with Keith Keller (July 2022) 19.08.2022

"Who is that guy and what did he just do?"   My first formal introduction to Keith was shortly after he crashed his drone into a tree at the HVAC Symposium in Florida a couple years ago.   While we did not discuss the drone incident in this podcast, we had a wide-ranging conversation that I thoroughly enjoyed, and I hope you will too.   Keith is one of the most unique and fun people I know in the...

EP88 Everything you want to know about the Building Performance Association with Steve Skodak (July 2022) 12.08.2022

If you weren't aware up to now, I am very passionate about Home Performance.    So passionate, that I volunteer my time as a board member of, and now, Treasurer of the Building Performance Association or BPA.   Among many other things, BPA runs a series of excellent trade shows call Home Performance Conferences (HPCs) (formerly called the Affordable Comfort Conference that started in the late 1980...

EP87 The Energy Conservatory - Focused on Product Development With Steve Rogers and Bill Graber (July 2022) 05.08.2022

Today we chat with Bill Graber and Steve Rogers of the Energy Conservatory, also known as TEC, a 40-year-old company that is on a mission to unite the tools and test instruments used in the HVAC and Weatherization markets…an important quest I am also dedicated to.   We'll talk what innovation means at TEC.   The dictionary says innovation is the act or process of innovating. OK,   So what is innov...

EP86 The essentials required to build a comfortable, healthy, efficient home with Casey Grey, The Conscious Builder (May 2022) 29.07.2022

In March 2022, I was invited to be a guest on the Conscious Builder Show with Casey Grey.    I guess all the conversations I have been having about my modular NetZero house had reached north of the border to Ottawa, the capital city of Canada, where Casey is based.   Casey's podcast with me is available here: EP181:  https://theconsciousbuilder.libsyn.com/181-indoor-air-quality-and-net-zero-custom...

EP85 The Heat Exchanger Experts Story with Chris & Russell Prach (May 2022) 22.07.2022

I came to know of Ellis Prach back in the late 1990's through his traveling classes when I was design engineering manager at Bacharach.   Later in 2000, when I was with Testo, I contacted him as we had just started to market a new visual inspection scope, based on plastic fiber optics.   You see, I have been obsessed for years with trying to solve the problem of more thorough inspections of heat e...

EP84 Leveraging your technician experience to springboard in the industry with Andrew Greaves (May 2022) 15.07.2022

Learn about Andrew Greaves non-traditional career journey that took him from building maintenance to Director of Education and Customer Experience for NAVAC Global: www. NavacGlobal.com   He received his HVAC training via Community College Night school but has self-taught in video and audio production.   Andrew suggests if you are looking for a mentor, perhaps you first start with a collection of...

EP83 Mindset makes a difference with Chris Hughes (May 2022) 08.07.2022

"Don't let fear hold you back."   "If you want something in life, go ask for it."   These are just two of the many takeaways you will get when you listen to this Episode.   Chris Hughes, now the HVAC Business Development Manager for the Energy Conservatory, is a long time HVAC/Mechanical contractor that is now tuned in to Building Performance – a technical area he was never aware of until the last...

EP82 Avoiding mold with Cheryl Ciecko (Dec 2020) 01.07.2022

Listen in as we chat with Cheryl Cieko, a professional with a mission to dispel myths, create awareness, and empower both professionals and building owners, Cheryl is a one-stop source of knowledge, education, and support having been through mold exposure and illness with her own family.   Cheryl describes how, as a licensed architect and industry educator, she provides strategies for professional...

EP81 HVAC Chemistry with Rachel & Eric Kaiser (April 2022) 24.06.2022

SCIENCE - In pursuit of understanding in the moment.   Join us as Rachel and Eric Kaiser, a wife and husband team from Indianapolis, share with us their perspectives on HVAC Chemistry.   If you've attended or watched Bryan Orr's HVACR School Symposium over the last 3 years you may have seen them present.   We discuss the relative scales of time and size as well as the properties and impact of wate...

EP80 What is PACE with Scott Ringlein (March 2020) 17.06.2022

We're joined on today's podcast by Scott Ringlein, a Clean Energy & Sustainability Specialist & Consultant.   Scott was raised as a farmer and educated as an engineer with a first career path in the auto industry.   He ventured out on his own creating a second career in sustainability with a focus on energy efficiency, conservation, and renewable energy measures.    Listen in as Scott shares his j...

EP79 Two Peas in a Podcast? HVAC Know It All & Building HVAC Science Swap Stories with Gary MacCreadie & Bill Spohn (May 2022) 10.06.2022

If you're in the HVAC field and you listen to podcasts, it's likely you've heard of Gary MacCreadie.    If not, here's your chance to get an inside perspective on how and why Gary got into the HVAC Field and later started a podcast audaciously named HVAC Know-It-All.   Throughout the episode, we flip flop as interviewer and guest.   Gary has recently started his own business, as he, like many othe...

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