Building HVAC Science
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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 s...
Seneste episoder
280 episoder
EP280 What 130 Million Homes Can Teach HVAC with Scott Rosenberg (June 2026)
Quotes from the episode:
"You sell an amazing product that represents the future of home heating and cooling. But selling it, promoting it, and...
EP279 Curiosity, Heat Pumps, and the Details That Matter – A Conversation with Edward Louie (July 2026)
Quotes from the episode:
"Comfort isn't just about air temperature—it's also about the temperature of everything around you."
EP278 From Boiler Timers to Predictive Control: Smarter Heat for Multifamily Buildings with Heather Zoberman from Entech (June 2026)
Quotes from the episode:
"Technology does its best work when it turns invisible problems into obvious next steps."
"Most buildings are alr...
EP277 Dirty Little Secret: Why Heat Pumps Need Deep Cleaning with Gabriel Erde-Cohen (June 2026)
Quotes from the episode:
"Heat pumps can't meet their promise if they're not properly maintained."
"Vacuuming the filter matters, but it i...
EP276 When "Passed Inspection" Isn't Good Enough with Cy Porter (May 2026)
Quotes from the episode:
"Passed inspection is not the same as built correctly."
"The best inspectors keep learning, because no one person...
EP275 The Sound of Better Buildings with Kieren McCord (May 2026)
Quotes from the episode:
"The tighter your envelope, the more attention you have to pay to ventilation and indoor air quality."
"The acous...
EP274 The Heat Pump Summit Is Building More Than Better Systems with Brent Davidson (May 2026)
Quotes from the episode:
"Stop trying to HVAC your way out of bad buildings, and your results will market themselves."
"The quality work a...
EP273 Think Like an Air Molecule with Dan Stradford (May 2026)
Quotes from the episode:
"Ducts matter. Nobody cares much about them until something goes wrong."
"HVAC systems are designed assu...
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."
...
EP271 Live from NHPC 2026: Where HVAC, Buildings, and People Intersect With Brynn Cooksey from HVAC-U PART 1 (April 2026)
Quotes from the episode:
"High-performance homes are not about the equipment. They are about the outcomes for the people inside."
...
EP270 Scaling with Simplicity: EOS, Growth, and the Malco Evolution With Rich Benninghof (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."
...
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 cr...
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 st...
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....
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."
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...
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."
...
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 mea...
EP262 "RTFM" and Real-World HVAC Confidence: Why Callbacks Drop When Training Improves With JT Stewart (February 2026)
Episode Quotes:
"Airflow isn't good. It's measured."
"Most pushback isn't 'I won't.' It's 'I'm afraid I'll mess it up.'"
"This is a...
EP261 From Journeyman to Trainer: What Actually Works and Why With Don Gillis (February 2026)
"Listen first, talk last."
"Integrity costs something, you've got to be willing to pay it."
"If I'm going to fail, I'm going to go down fi...
EP260 Live From AHR 2026: Tools, Tactics, and Trade Stories From the Show Floor (February 2026)
Quotes from the episode:
"If you're not measuring, you're just arguing with opinions."
"The tools got better, but what really chan...
EP259 Donkey Wrangler to HVAC Whisperer: Brad Adcox on Fundamentals That Win (January 2026)
Pithy quotes
"Your product can be great, but if you're hard to work with, nobody's going to buy it."
"Take a deep breath, g...
EP258 Live From AHR 2026: Tools, Tactics, and Trade Stories From the Show Floor With the Team from TruTech (February 2026)
"AHR isn't just a product show, it's where you see the future of the trade taking shape in real time."
"Training, technology, and community are...
EP257 From Rockets to Heat Pumps: Shreyas Sudhakar on Scaling Quality HVAC (January 2026)
Pithy quotes
"We do our job well if the homeowner forgets about us, because the system just works."
"The bar is so low in s...
EP256 The Woodstock of HVAC: Why This Symposium Hits Different With the TruTech Team (January 2026)
Episode quotes:
"What you put into this, you get out of this in multiples."
"It's not about sales. It's about learning, relationships, and...
EP255 Beyond Manual J: The Heat Balance Future of Residential Load Calculations With Tony Amadio (December 2025)
Notable quote from the episode: Make it as simple as possible, but not simpler.
In this episode, Eric Kaiser sits down with mechanical engineer...
EP254 Mold, Moisture, and Missed Details: Lessons From the Building Science Trenches With Kohta Ueno (January 2026)
QUOTES from the episode:
"Most building failures aren't mysterious. They're just ignored fundamentals."
"If you demand muse...
EP253 The HVAC Trust Gap, and the Directory Built to Close It With Kevin R. Hart, Huff Hoffmaster & Darren Reuter (January 2026)
Quotes from the episode:
"Better isn't a goal, it's a direction."
"HVAC can feel like a house of mirrors for homeowners, a...
EP252 The Perfection Trap in the Trades With Eric Kaiser (December 2025)
Quotes from the episode:
"Good enough isn't a fixed point. It's a moving target shaped by goals, expectations, and consequences."...
EP251 Innovation in HVAC: The Quiet Shifts That Matter Most With Bill Spohn (December 2025)
Quotes from the Episode:
"Innovation in HVAC isn't one big breakthrough. It's a series of quieter shifts that slowly change how w...
EP250 Beyond the Equipment: Reflections on 250 Episodes of HVAC and Building Science with Eric and Bill (December 2025)
Quotes from the Episode:
"Good building systems don't start with equipment—they start with a plan and a thoughtful process."
EP249 The Hidden Hazards: CO, H₂S and the Tech Behind Modern Gas Detection With Dave Massner from Sensorcon (December 2025)
Episode quotes:
"Hydrogen sulfide doesn't announce itself. It can drift in, hit your mucus membranes, and start causing real harm before you kn...
EP248 Balanced Comfort, Brutal Lessons: Scaling, Losing Half Your Revenue, and Starting Over with AI with Aaron Husak (November 2025)
"Inspect your marketing the way you'd inspect a home—run diagnostics, don't guess." – Aaron Husak
"Attitude is way more important than aptitude....
EP247 From CEO to Chief Education Officer: Bill Spohn on Legacy, Leadership & Better HVAC (November 2025)
"Get mad at the problem, not the person. When people feel safe, they'll actually bring you the real issues." - Bill Spohn
"We're...
EP246 Beyond MERV: The Truth About Smoke, Sensors, and Standards With Sissi Liu (October 2025)
Episode quotes:
"Below about 0.4 microns, many low-cost PM sensors are basically guessing—right where wildfire smoke and aerosols live." — Sissi...
EP245 Retrofit the Future: Inside PHIUS's New Revive Standard with Al Mitchell and Haley Harlow (October 2025)
Eric Kaiser sits down with Haley Harlow and Al Mitchell from PHIUS (Passive House Institute US) to explore Revive 2024, a groundbreaking new retrofit...
EP244 Envelope, HVAC, and Humans: Solving the IAQ Puzzle with Brantley May (October 2025)
Quotes by Brantley:
"Most moisture problems are a three-way dance—envelope, mechanicals, and the occupants."
"Skim the light, don'...
EP243 Three Sensors, One Strategy: Making Maintenance Truly Smart With Kevin Weaver from SmartAC (October 2025)
Episode Quotes from Kevin Weaver:
"If we can quantify delivered capacity on the air side, we can work our way back to what's happening o...
EP242 "Give Every Heat Pump a Cell Phone" — Predictive HVAC with Thalo Labs With Brendan Hermalyn (October 2025)
QUOTES from the Episode
"Instead of landlines everywhere, give every heat pump a cell phone and let it call home."
"We're seeing close to...
EP241 Hydronics, Storage, and a Single Box: Berlin Raj’s Totex Vision (September 2025)
Totex co-founder Berlin Raj joins Eric and "Overkill Bill" to unpack a single-box, hydronic monoblock system that combines space conditioning, domesti...