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Building HVAC Science — Education
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.

Latest Episodes:

EP100 Electrification in Alaska and other chill topics with Griffin Hagle-Forster (October 2022) Nov 25, 2022

Show notes

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.com/habitat-x-journal/thats-building-performance-bfdb2646ba53

From his LinkedIn Bio: Affordable housing executive and energy transition observer with extensive experience on the Arctic Slope of Alaska.

His LinkedIn: https://www.linkedin.com/in/griffin-forster-480a1b1a/

This episode was recorded in October 2022.

EP99 How to retrofit all homes to Net Zero Energy with Adam Stenftenagel of Radiant Labs (Oct 2022) Nov 18, 2022

Show notes

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://www.linkedin.com/in/adamstenftenagel/

Info on The Geos project: www.DiscoverGEOS.com

Info on SnuggHomePro: www.SnuggPro.com

Info on Radiant Labs: www.RadiantLabs.co

This episode was recorded in October 2022.

EP98 Inverters for all with Katie Woodling of Bosch (Oct 2022) Nov 04, 2022

Show notes

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 perfecting their heat pumps to offer inverters for all.

Bosch is achieving a simplified product line with terrific tech support and contractor training.

Katie also shares with us some insights into future trends.

Katie's Linked In profile: https://www.linkedin.com/in/katelyn-woodling/

Info on Bosch IDS products:

https://www.bosch-thermotechnology.us/us/en/ocs/residential/inverter-ducted-split-family-ids--18527266-p/

This episode was recorded in October 2022.

EP97 Pattern recognition and the Hero vs. Guide conundrum with Nate Adams (Oct 2022) Oct 21, 2022

Show notes

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.com/rooms/689091116595593514?source_impression_id=p3_1666127730_%2BjEglaesD2Edl9UC

https://www.airbnb.com/rooms/654543526549837867?source_impression_id=p3_1666127781_WAzpzge25vf2Dsjd

https://www.airbnb.com/rooms/44685918?source_impression_id=p3_1666127806_0YbmI9pK0QhZadsQ

HVAC 2.0

https://www.hvac20.com/#/

HVAC 2.0 videos

https://www.youtube.com/channel/UCNXmHUxNpoa_DiC54VxkJjg

The Home Comfort book (4 free chapters):

https://www.natethehousewhisperer.com/

The Electrify Everything course:

https://nate-the-house-whisperer.ck.page/1786fbdf5a

Nate's YouTube library: Many related topics

https://www.youtube.com/c/NatetheHouseWhisperer

Policy paper on Heat Pump Adoption

https://www.clasp.ngo/research/all/3h-hybrid-heat-homes-an-incentive-program-to-electrify-space-heating-and-reduce-energy-bills-in-american-homes/

This episode was recorded in October 2022.

EP96 A Day in the Life of a Smart Building with Vineet Sinha, JCI (Oct 2022) Oct 07, 2022

Show notes

"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 connected building systems are operating holistically and working together to create a truly smart environment.

Buildings of the future are here today and can do all this. It sounds complex, but these smart buildings cost a lot less to run and use fewer resources, all while ensuring indoor spaces are clean and safe.

In this discussion, we walk listeners through a day in the life a smart building from the perspective of an everyday occupant and explain how connected technologies enable an experience that makes people feel comfortable, safe and in control.

Vineet shares with us definitions of a building persona and how building are moving to cognition of the occupants.

You can connect with Vineet on LinkedIn at:

https://www.linkedin.com/in/sinhavineet/

Learn more about JCI's Open Blue Solutions at:

https://www.johnsoncontrols.com/openblue

This episode was recorded in Oct 2022.

EP95 Did the COVID pandemic teach us anything new about IAQ With Bill Bahnfleth (Sept 2022) Sep 30, 2022

Show notes

"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 force to address managing IAQ in buildings considering the COVID-19 pandemic.

We will hear from Bill as he discusses how one puts together and manages a 120-person task force in such a short period of time.

Bill also discusses several of the myths that needed to be busted along the way.

He also shares with us his passion for music and the parallels his mastery of music has with his mastery of engineering: the fundamentals applied creatively, the art and the craft.

Some of the resources mentioned include:

ASHRAE Guides for COVID-19:

https://ashrae.org/technical-resources/resources

The ASHRAE design guides:

https://www.ashrae.org/technical-resources/bookstore/ashrae-design-guides

ASHRAE 62.1

https://www.ashrae.org/technical-resources/bookstore/standards-62-1-62-2

EPA Guides to IAQ:https://www.epa.gov/indoor-air-quality-iaq/publications-about-indoor-air-quality

This episode was recorded in September 2022.

EP94 Diving for the details in Climate Zone 2 with Bill Robinson (Sept 2022) Sep 23, 2022

Show notes

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 this episode he describes the LA House and the challenges to building in the hot humid climate he lives in.

Check out Bill's website at: www.Train2Build.com

And follow him on social media via:

Instagram — Bandanna Bill

Instagram — 504 Historic Windows

Facebook — Train2Build

YouTube — Train2Build

For more info on the LA House:

https://lsuagcenter.com/topics/family_home/home/lahouse

"A science-based showcase of solutions to shape your future with resilient, healthy and efficient homes."

This episode was recorded in September 2022.

EP93 Motivated & Tactical with Ben Poole (Aug 2022) Sep 16, 2022

Show notes

In this episode with Ben Poole, a 3rd 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 preaches, lays out a plan, and acts on it never letting self-doubt creep in.

And in 2020 he doubled down and created the first "Emmy-type" awards for amazing craftsmanship called the HVAC Tactical Awards.

The HVAC Tactical Awards Show follows the AHR Expo and will be held for the third time on February 5th, 2023 in Atlanta, GA.

250+ people are expected to attend this black-tie event which will include most of the HVAC influencers across all social media platforms.

The event will also be livestreamed, as it was in 2022.

You can reserve tickets or nominate someone for the award at this link:

www.hvactactical.com/hvac-tactical-award/

Learn more Ben's amazing apparel brand at www.hvactactical.com/

This episode was recorded in August 2022.

EP92 The Future of Energy Ratings is here with Brett Dillon (Aug 2022) Sep 09, 2022

Show notes

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 understanding in residential construction and building science.

An international award-winning former homebuilder, pro-wrestler, security consultant, and surveillance operative, I lead our team to provide unique and elegant solutions."

In the podcast Brett describes how he is weaving together existing advanced methods for energy rating using a different approach.

Listen in as this intellectual ferret describes how is company aims to "help clients build better businesses that build better lives."

Learn more about the Building Science Institute:

https://buildingscienceinstitute.org/

You can also connect with Brett on LinkedIn: https://www.linkedin.com/in/brettdillon01/

This episode was recorded in August 2022.

EP91 Using sensors, data and technology for better IAQ with Ray Wu of WYND (Aug 2022) Sep 02, 2022

Show notes

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 hotel.

Wynd also makes their own UV laser particle sensors which yield enhanced capaiulites that Ray describes.

Check out the Wynd products at the link and article below.

https://hellowynd.com/pages/shop-for-business

https://commercialobserver.com/2022/07/wynd-technologies-sentry/

You can also connect with Ray on LinkedIn: https://www.linkedin.com/in/raymondwu8/

This episode was recorded in August 2022.

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