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Artwork for Building HVAC Science

Building HVAC Science

Bill Spohn
HVAC Industry
HVAC
Customer Service
Building Performance
Energy Efficiency
Heat Pumps
Indoor Air Quality
Employee Empowerment
Resilience
Quality Workmanship
Continuous Learning
Pandemic Response
Home Electrification
Quality Installation
ACCA
Construction Industry
Building Science
Upsmith
HVAC Education
Load Calculations

Uncover the secrets of healthy, comfortable, and energy-efficient buildings with the Building HVAC Science podcast. Join HVAC and building performance experts Eric Kaiser and Bill Spohn, Sr., as they delve into the fascinating world of building science and HVAC diagnostics. From exploring the latest advancements in measurement technology to examining the impact of building science and proper HVAC ... more

PublishesWeeklyEpisodes243Founded8 years ago
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Artwork for Building HVAC Science

Latest Episodes

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 on the refrigerant side."

"We don't have to diagnose everything remotely — we have to be great at saying, 'ther... more

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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 40% of heat pumps undercharged or leaking—no wonder callbacks are high."

"What gets measured gets managed.... more

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Totex co-founder Berlin Raj joins Eric and "Overkill Bill" to unpack a single-box, hydronic monoblock system that combines space conditioning, domestic hot water, pool heating, thermal + lithium storage, EV charging integration, and backup power. Bor... more

YouTube

Quotes from the Episode:

"If it helps one person, then it's worth its weight in gold." —Roman

"Stop asking 'What if I fail?'—ask 'What if I'm amazing at this?'" —Roman

"I ran into the fire and rescued my future self." —Roman (riffing with Bil... more

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Key Facts

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Number of Listeners
Find out how many people listen to this podcast per episode and each month.

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Recent Guests

Brendan Hermalyn
CEO and founder of Thalo Labs, expert in HVAC technologies
Thalo Labs
Episode: EP242 Give Every Heat Pump a Cell Phone - Predictive HVAC with Thalo Labs With Brendan Hermalyn (October 2025)
Berlin Raj
Innovator and advisor at Totex
Totex
Episode: EP241 Hydronics, Storage, and a Single Box: Berlin Raj's Totex Vision (September 2025)
Roman Baugh
Third-generation tradesman, educator at Kalos Services, and HVAC content creator.
Kalos Services
Episode: EP240 Run Into the Fire: Curiosity, VRF, and the Rise of Roman Baugh (October 2025)
Stephen Roth
Founder of Carmel Software and HandsDown Software, experienced HVAC engineer and software developer
Carmel Software, HandsDown Software
Episode: EP239 Psychrometrics, Mobile Apps, and the Future of HVAC with Carmel Software (September 2025)
Winston Chi
Co-founder of NOSO Labs with a background in AI and technology for the trades.
NOSO Labs
Episode: EP238 From Talk to Proposal: NOSO's Take on Ethical, Measured Sales With Winston Chi (September 2025)
Lisa White
Associate Director of PHIUS
PHIUS
Episode: EP236 Details Matter, but So Does the Big Picture A Conversation with Lisa White of PHIUS (August 2025)
Nathan Orr
Sales Director at Kalos and Co-Founder of Blue Rabbit
Kalos / Blue Rabbit
Episode: EP235 Counter-Culture, Catharsis, and Craft: Nathan Orr on Kalos, Blue Rabbit, and Beyond (August 2025)
Mike Useloff
Veteran HVAC instructor and passionate educator
United Association
Episode: EP234 Heat Transfer and Heart: What 40 Years in HVAC Can Teach Us All With Mike Uselof (July 2025)
Selina Tobaccowala
Founder of HomeBoost
HomeBoost
Episode: EP233 Thermal Cameras, AI, and Comfort: HomeBoost's Big Idea with Selina Tobaccowala (July 2025)

Hosts

Bill Spohn
Co-host and a prominent figure in HVAC and building science with a wealth of experience in the field, often referred to as "Overkill Bill" due to his thorough approach.
Eric Kaiser
Co-host with extensive knowledge in building performance and HVAC technology, contributing to insightful discussions and interviews.

Reviews

4.7 out of 5 stars from 87 ratings
  • Very interesting conversations

    Podcast Addict
    5
    SCSierraDave
    2 years ago
  • Bill a man of his words

    We had a chat threw email and asked about Adam and Neil and has come threw!!! Great listens and great tools from trutech tools!!

    Apple Podcasts
    5
    Jon harrell
    United States3 years ago
  • Keep up the great work. I love the HVAC and building science blend. Well done

    Audible
    5
    David Daher
    United States3 years ago
  • Bill does a great job! I love the podcasts

    Keep up the great work. I love the HVAC and building science blend. Well done

    Audible
    5
    David Daher
    United States3 years ago
  • Insightful

    I’ve listened to several of Bill Spohn’s interviews with guests and am always impressed with the questions he asks. He provides great info. This show is a must listen for anyone interested in building science, especially residential.

    Apple Podcasts
    5
    EnergyVanguard
    United States5 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Some wish for more content about multifamily buildings, though this does not detract from the show's quality, which remains highly regarded.
The podcast is praised for its practical insights and the relevance of its topics to current industry trends and standards.
Listeners appreciate the depth and accessibility of the information presented, making complex concepts understandable for a wide audience.
Listeners value the variety of expert guests, which enrich their understanding of HVAC and building science.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Talking Points

Recent interactions between the hosts and their guests.

EP242 Give Every Heat Pump a Cell Phone - Predictive HVAC with Thalo Labs With Brendan Hermalyn (October 2025)
Q: How about the quality or the way information is delivered compared to BMS?
Brendan explains that their system is more of an equipment management system rather than a traditional building management system.
EP242 Give Every Heat Pump a Cell Phone - Predictive HVAC with Thalo Labs With Brendan Hermalyn (October 2025)
Q: Can you give us some background where you've come from and what you're doing right now?
Brendan shares his circuitous route from aerospace and defense to his current role at Thalo Labs, focusing on developing HVAC technologies.
EP241 Hydronics, Storage, and a Single Box: Berlin Raj's Totex Vision (September 2025)
Q: How does the system manage energy use?
Berlin explains that the system continuously learns and optimizes energy consumption based on usage patterns and external factors like weather.
EP241 Hydronics, Storage, and a Single Box: Berlin Raj's Totex Vision (September 2025)
Q: What can they expect next?
Berlin outlines that pilot projects are underway, with plans to move to Texas and availability for purchase expected by the end of the next year.
EP236 Details Matter, but So Does the Big Picture A Conversation with Lisa White of PHIUS (August 2025)
Q: What training are you offering for professionals who want to learn more about passive building?
PHIUS offers various professional credentialing training and entry-level certificate programs, including courses for designers, builders, and general professionals interested in passive building concepts.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

Listeners per Episode
Gender Skew
Location
Interests
Professions
Age Range
Household Income
Social Media Reach

Frequently Asked Questions About Building HVAC Science

What is Building HVAC Science about and what kind of topics does it cover?

Focused on the intersection of building science and HVAC technology, this series of discussions aims to elevate understanding around creating healthier and more energy-efficient structures. The podcast delves into topics such as indoor air quality, dehumidification strategies, energy efficiency practices, and the significance of proper HVAC design and installation. Regularly featuring expert guests, it offers listeners an opportunity to learn about the latest advancements in technology and best practices that can be applied to both residential and commercial projects. Unique in its approach, the hosts blend technical discussions with practical advice, making complex subjects accessible to a wider audience, including professionals and those ... more

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How many listeners does Building HVAC Science get?

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To see how many followers or subscribers Building HVAC Science has on Spotify and other platforms such as Castbox and Podcast Addict, simply upgrade your account. You'll also find viewership figures for their YouTube channel if they have one.

Which podcasts are similar to Building HVAC Science?

These podcasts share a similar audience with Building HVAC Science:

1. HVAC School - For Techs, By Techs
2. The Build Show Podcast
3. Did You Know?-The ESCO HVAC Podcast
4. AC Service Tech Answers Podcast
5. UnBuild It Podcast

How many episodes of Building HVAC Science are there?

Building HVAC Science launched 8 years ago and published 243 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

How do I contact Building HVAC Science?

Our systems regularly scour the web to find email addresses and social media links for this podcast. We scanned the web and collated all of the contact information that we could find in our podcast database. But in the unlikely event that you can't find what you're looking for, our concierge service lets you request our research team to source better contacts for you.

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What guests have appeared on Building HVAC Science?

Recent guests on Building HVAC Science include:

1. Brendan Hermalyn
2. Berlin Raj
3. Roman Baugh
4. Stephen Roth
5. Winston Chi
6. Lisa White
7. Nathan Orr
8. Mike Useloff

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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