Episodes

June 13, 2025

EP222 Airflow, Action, and Ideas: Brent Davidson’s Mission to Elevate Heat Pump Pros (June 2025)

In this episode of Building HVAC Science, Bill Spohn and Eric Kaiser welcome back Brent Davidson, founder of the U.S. Heat Pump Summit, for an energizing discussion that soars from glider flights to the frontlines of heat pum...
June 6, 2025

EP221 Consultative Selling Meets Smart Software in Home Performance with Amanda Godward (May 2025)

“Proposals don’t save energy… action does.” — Bill Spohn “I didn’t know how cool this thing was until we started sharing it with the world.” — Amanda Godward “Change is hard—but that’s what makes it great.” — Amanda quoting R...
May 30, 2025

EP220 Just Keep Learning: The HVAC Journey of Dirk Nauman (May 2025)

“The process doesn’t fail. The technician fails to follow the process.” – Dirk Nauman In this inspiring episode of the Building HVAC Science Podcast, Eric Kaiser and Bill Spohn are joined by Dirk Nauman—HVAC trainer, simulato...
May 23, 2025

EP219 Thermentor: Rethinking Load Calcs with Real Energy Data with Max Reichlin (May 2025)

“We’re not guessing what’s inside the walls—we’re measuring how homes really use energy.” Max Reichlin In this episode of the Building HVAC Science Podcast, Eric Kaiser and Bill Spohn sit down with Max Reichlin from Clean Pow...
May 16, 2025

EP218 Breaking Down Silos: The Path to Better Retrofit Training with Ben Hildebrandt (May 2025)

In this episode of the Building HVAC Science Podcast, Eric Kaiser and Bill Spohn welcome Ben Hildebrandt, a passionate advocate for building science and green technology education at the Southern Alberta Institute of Technolo...
May 8, 2025

EP217 Where Building Science Meets HVAC: Insights from New Orleans (April 2025)

In this episode of Building HVAC Science, Eric Kaiser and Bill Spohn are joined by a special guest who’s carrying on the Spohn legacy—Billy Spohn. The trio recaps their experience at the 2025 National Home Performance Conference in New Orleans,...
May 2, 2025

EP216 Built to Last: How JB Industries Keeps It Made in America (April 2025)

In this episode of Building HVAC Science, hosts Bill Spohn and Eric Kaiser sit down with Jeff Cherif and David Madden from JB Industries, a long-standing, U.S.-based HVAC tool manufacturer with deep roots in Aurora, Illinois. Jeff shares his...
April 25, 2025

EP215 Mindset, Metrics & Mastery: Anthony Woo’s HVAC Game Plan (March 2025)

“How much pain they have cost us, the evils which never happened.” —Thomas Jefferson In this episode of the Building HVAC Science Podcast, Eric Kaiser and Bill Spohn sit down with Anthony Woo, an HVAC contractor from Quebec, Canada. Anthony...
April 18, 2025

EP214 Why Small HVAC Companies Get Stuck—and How WorkHero Helps Them Grow with Furman Haynes (March 2025)

“You can be high quality and effective, but also efficient at the same time.” — Furman Haynes, Founder of WorkHero   In this episode of the Building HVAC Science Podcast, Eric Kaiser and Bill Spohn sit down with Furman Haynes, co-founder of...
April 11, 2025

EP213 Revolutionizing HVAC: How Pearl Edison Bridges Homeowners and Contractors with Jake Yurek (February 2025)

In this episode of the Building HVAC Science Podcast, Bill Spohn and Eric Kaiser interview Jake Yurek, the co-founder of Pearl Edison, a platform designed to simplify the installation of energy-efficient systems for homeowners and contractors. Jake...
April 4, 2025

EP212 Home Comfort Demystified: A Deep Dive with Eric George (February 2025)

In this episode of Building HVAC Science, Bill Spohn and Eric Kaiser sit down with Eric George, founder of Home Comfort Advisor, to discuss his journey from insulation and energy audits to content creation and education. Eric shares how his background...
March 28, 2025

EP211 Data Integrity in HVAC: Why It Matters More Than You Think with Rachel Kaiser (February 2025)

In this episode of Building HVAC Science, Bill and Eric welcome Rachel Kaiser to discuss an often-overlooked yet critical topic: data integrity in HVAC and building performance. Rachel, who has a background in scientific research and data quality,...
March 21, 2025

EP210 Building Better: Why HVAC and Construction Must Work Together with Sophie Ashley (February 2025)

In this episode of Building HVAC Science, hosts Bill Spohn and Eric Kaiser welcome Sophie Ashley of Energy Vanguard, an HVAC designer with a background in carpentry and building science. Sophie shares her journey from hands-on construction work to...
March 14, 2025

EP209 From Safety to Sustainability: Navigating the A2L Revolution with Keith Gifford (January 2025)

In this episode of the Building HVAC Science podcast, host Eric Kaiser is joined by Keith Gifford, Senior Global Product Manager at Penn Controls, for an in-depth discussion about the emerging use of A2L refrigerants in the HVACR industry. A2Ls are a...
March 7, 2025

EP208 Tools, Tech & Community: AHR Expo & HVAC Symposium Debrief with the Team from TruTech (February 2025)

In this episode of Building HVAC Science, Bill Spohn and Eric Kaiser, along with the TruTech Tools team, recap their experiences at the 6th Annual HVACR Training Symposium and AHR Expo in Orlando, Florida. They share insights from meeting industry...
Feb. 28, 2025

EP207 Craig Migliaccio on Bridging Theory and Practice in HVAC Education (January 2025)

In this episode of Building HVAC Science, Eric Kaiser and Bill Spohn welcome Craig Migliaccio, the creator of AC Service Tech, author, educator, and industry influencer. Craig shares his journey from teaching HVAC in high school to becoming a prolific...
Feb. 21, 2025

EP206 Mastering Indoor Air Quality: John Ellis’ 6 Key Principles with John Ellis (January 2025)

In this insightful episode of the Building HVAC Science Podcast, host Eric Kaiser takes a deep dive into the world of indoor air quality (IAQ) with guest expert John Ellis. With over four decades of experience in HVAC and building science, John shares...
Feb. 14, 2025

EP205 Building Integrity in the Trades: A Canadian Contractor’s Journey with Manly Arnason (January 2025)

In this heartfelt episode of the Building HVAC Science Podcast, Eric Kaiser and Bill Spohn welcome Manly Arnason, an HVAC business owner from Brandon, Manitoba, Canada. Manly shares his journey of transformation—from a challenging past to becoming a...
Feb. 7, 2025

EP204 Seitron Americas: Innovating HVAC Tools and Training with Jason Esteves and Dan Kelly (January 2025)

In this engaging episode of the Building HVAC Science Podcast, hosts Eric Kaiser and Bill Spohn welcome Jason Esteves and Dan Kelly from Seitron Americas. The discussion offers an in-depth look at Seitron’s evolution, its role in the HVAC industry,...
Jan. 31, 2025

EP203 Why Energy Isn't the Problem: Exploring Thermal Comfort and IEQ with Robert Bean (January 2025)

In this engaging episode of the Building HVAC Science Podcast, host Eric Kaiser is joined by Robert Bean, an ASHRAE Distinguished Lecturer and a renowned expert on indoor environmental quality (IEQ). Together, they explore the intricate relationship...
Jan. 24, 2025

EP202 Unlocking High-Performance HVAC: Insights with David Richardson (January 2025)

In this episode of the Building HVAC Science Podcast, Eric Kaiser welcomes David Richardson from the National Comfort Institute. David shares his journey from starting as a “gopher” for his father’s HVAC business to becoming a leading advocate...
Jan. 17, 2025

EP201 Evolving HVAC Strategies: Solving Problems for People, Not Just Homes (December 2024)

In this insightful episode of Building HVAC Science, co-hosts Bill Spohn and Eric Kaiser reconnect with Silas Hoeppner for a follow-up discussion that dives deeper into optimizing comfort and efficiency in existing homes. Silas shares his journey of...
Jan. 10, 2025

EP200: 200 Episodes Strong: Reflecting on the Building HVAC Science Journey with Bryan Orr (December 2024)

In this milestone episode, Bill Spohn and co-host Eric Kaiser welcome Bryan Orr, the instigat-ORR behind the creation of the Building HVAC Science podcast. They dive deep into the podcast's origin story, reflecting on how Bryan's love for audio and...
Jan. 3, 2025

EP199 Rebuilding Lives: The Mission of Second Chance University with Danny Huffman (December 2024)

In this powerful episode of the Building HVAC Science Podcast, hosts Bill Spohn and Eric Kaiser bring on a truly inspiring guest, Danny Huffman, founder of Second Chance University. Danny shares the transformative mission behind his organization,...