Building HVAC Science -Comfort, health & energy efficiency-logo

Building HVAC Science -Comfort, health & energy efficiency

Business & Economics Podcasts

Building HVAC Science covers a broad array of topics in building science and HVAC diagnostics, as well as human comfort, health, and safety. Hosted by HVAC measurement and building performance expert Bill Spohn, this show will take a deep dive into all things that relate to buildings and people in the built environment.

Building HVAC Science covers a broad array of topics in building science and HVAC diagnostics, as well as human comfort, health, and safety. Hosted by HVAC measurement and building performance expert Bill Spohn, this show will take a deep dive into all things that relate to buildings and people in the built environment.


United States


Building HVAC Science covers a broad array of topics in building science and HVAC diagnostics, as well as human comfort, health, and safety. Hosted by HVAC measurement and building performance expert Bill Spohn, this show will take a deep dive into all things that relate to buildings and people in the built environment.




EP47 Insights from ENCON: A Unique, Generational Mechanical Contractor

“The family is one of nature’s masterpieces.” George Santayana Bill is joined Marty and David Indursky, a father and son team that have built Encon, an award winning, NJ-based HVAC/building solutions company. Hear how David has reinvigorated the company by implementing modern technology techniques after he took it over from his father who founded ENCON in 1968. They share best practices and what sets ENCON apart. We also hear about and what David envisions for the future of the...


EP46 A new refrigerant born from science and sweat with Peter Capuciati Founder of Bluon

“I grew up thinking that a research scientist was a natural thing to be.” Stephen Hawking There’s physical science. And there’s a kind of science as to how the mind works and how people achieve their dreams. Blend one-part plasma fusion physics with one-part commercial real estate and stir this in an open and creative mind and you have Peter Capuciati, the Chairman and Founder of Bluon and the guest of today’s podcast. Starting in 2011, Peter has led the team at Bluon to develop a true...


EP45 Making Homes Perform better – HVAC tips with John Semmelhack

“The only think I have learnt over the years is that if you enjoy your work and put in best efforts it will show. If you follow this process, things work out. But if you go chasing a formula, success will elude you.” Mahesh Babu While building his own house, John Semmelhack’s innate curiosity grew as he researched the best was to design and build a home. This lead him to start his own business, Think Little. The name of his business is deceptive as John is truly a big thinker,...


EP44 What's new in Home Performance 2.0 with Nate Adams

“True genius lies not in doing the extraordinary things, but in doing ordinary things extraordinarily well.” General Louis H. Wilson, Jr. Building science principles are few and fairly straightforward; ordinary, perhaps. HAM: A lot of it amounts to control the flow of Heat, Air and Moisture. But, like so many things in this world, the devil is in the details. Listen in as I chat with my good friend Nate Adams (a true genius) to get an update on his extraordinarily execution...


EP43 Radon 101 with Dick Kornbluth

May the forces of evil become confused on the way to your house. George Carlin Yep, Radon is force of evil. Pure evil. Colorless. Odorless. Deadly. But sneaky. It’s deadly over decades. My good friend Dick Kornbluth joins me to unravel the intricacies of all aspects of Radon – a colorless, odorless, poisonous radioactive gas. Dick explains how and where radon is formed, how it gets into the air we breathe and the health impact it has on us. He reveals where the famous...


EP42 Smart buildings and HVAC Controls- News you can use with Eric Stromquist of ControlTalkNow Podcast

I can’t change the direction of the wind, but I can adjust my sails to always reach my destination. Jimmy Dean While we picked a specific topic, this is a wide-ranging episode with my friend in the industry, Eric Stromquist of – 2nd generation controls distributor based out of Atlanta, GA. We discuss our thoughts and opinions on: How hard it is to actually get access to people – cold calling is basically dead Closed vs. open architecture in building automation...


EP 41 Great Indoor Air Quality Can Improve Your Health with Ty Newell of Build Equinox

To keep the body in good health is a duty…otherwise we shall not be able to keep our mind strong and clear. Buddha HVAC and building performance contractors are seeing more homes built or retrofit to tighter levels. Blower door test outs like 3, 2, 1 ACH50 or less. What do you do when the “house can’t breathe?” Hopefully, you see the humor in that statement. Of course - you build it tight and ventilate it right! (Credit for that phrase likely goes to Earle Perera and Lynn...


EP40 Why You need to Pay Attention to National Standards Affecting HVAC Installations with Jeremy Begley

In this age of high technology and Jedi Knights, we often overlook the need of personal involvement, but we do so at our own risk. William H. McRaven (American Solider) Attention all HVAC Techs: Soon someone will be looking over your shoulder. Not it’s not the Homeowner, with severe coffee breath and a million little questions, it’s going to be a Home Energy Rater giving a grade to your HVAC installation. What???!!! Yes, like it or not, this will happen. And it is...


EP39 Learn about HVACR Chemicals & Sealants with Mike Walton of CoolAir Products

Looking to be a better HVACR Tech? One key aspect is keeping up to date with changing equipment, products and techniques. And that is no mean feat. In order to do so, you need to help yourself to training and education where ever you can get it. Like this podcast… especially because it is on a lesser known topic: HVACR Chemicals and sealants. Mike Walton of CoolAir Products in Maryland, joins us on this episode to focus on 2 of the products he has brought to the US market: AC...


EP38 Personalized Home Performance - Bill Spohn's new home construction Part 1

Today we turn the tables and your host becomes the guest! As you may or may not know Marilyn and I are building a new high-performance home this year (2019). Even though I have been involved in home performance for 30 years, it was in the narrow field of test and measurement, not in construction detail and aspects. And because it is our home and our money, everything about it is personal and I have a real hunger for the details which tends to complicate decisions! So, I asked...


EP37 From Building Plaques to Building Performance A discussion with Ryan Miller of NCBPA

I’ve never thought about entrepreneurship when it comes to trade associations. I just thought they always existed. Well, in the nascent world of building performance, I should have known better. Listen in as we chat with Ryan Miller, the founder and executive director of the North Carolina Building Performance Association, as he describes his vision for the future of building performance. He believes poor building performance is one big problem to solve and he aims to do it in his...


EP36 What is Home Performance 2.0?

Some of our listeners have likely heard of the term Home Performance. But have you heard of Home Performance 2.0? Michael Housh and Neil Comparetto join us to describe how they are helping to develop this new approach to serving customers with total home performance. This is a systems being developed by Nate Adams and Ted Kidd. They describe a well performing home as one that is healthy, comfortable, safe, durable and, as a side benefit, uses less energy. Michael and Neil are...


EP35 Let's get TECnical @ AirFlow hoods with Steve Rogers of the Energy Conservatory

You may know the answer to this question: “Why would I want to use an air flow hood?” You might not know the answer to this one: “How do I find a good air flow hood?” Steve Rogers, President and Owner of the Energy Conservatory, joins us to answer both of these questions as well as provide a rich background to his company and his career. We hear how a customer ride-along stimulated a multifaceted investigation into the critical parameters involved in making great residential...


EP 34 CompanyCam - a tool for stress relief

Smartphones are great communications tools for contractors and techs. But how do you organize and effectively share the right photos at the right time? Listen in as Luke Hansen, former roofing contractor and inventor of the CompanyCam App, explains his journey from concept to successful business. His low-cost service allows techs to share rich photo information without clogging up their photo library. Rich info accompanies each photo: date, time, GPS location, user info and...


EP33 When will homes be on auto-pilot for healthy IAQ?

How can an IOT (internet of things) based device help home dwellers and home performance contractors? Listen as our guest Jacques Touillon, inventor of the foobot describes what got him started on the journey from a concept to a successful product sold around the world. Jacques’ describes his vision of a future homes that has “invisible” sensors control systems to maintain superb indoor air quality. We discuss the importance of data and data processing, as well as recent...


EP32 Tersh, Bryan and Bill chat about entrepreneurism

Curious about what it takes to be an entrepreneur? Well, so are these three guys. Listen in as business owners Tersh Blissett (Icebound HVAC & Refrigeration), Bryan Orr (Kalos Services) and Bill Spohn (TruTechTools, LTD) discuss what it means to them to run their own businesses. This wide-ranging discussion produced many good nuggets of info as we discuss visionaries, idealism vs. realism, and breaking from the status quo amidst tons of other topics. You can reach these members...


EP31 Called to the Long Game-Bryan Orr’s Educational work in Haiti

We veer a little off the technical path in this episode as we discuss with Bryan Orr his educational missionary work in Haiti. For the past 2 years, Bryan has led a small team of volunteers to first scope out and recently (November 2018) begin delivering basic trade education to native Haitians as young as 8 years old. We hear about the leap of faith he has taken and how it has proven out in the overwhelmingly warm feedback from the people he has touched. Learn how he addresses the...


EP30 Making Beautiful Music in the Home with Grace & Corbett

You’ll note no last names in this episode title, as I know Grace & Corbett so well. And I think you need to know them better, too. Grace McPhillips Lunsford and Corbett Lunsford have embarked on a road to change the culture of how home performance is perceived by homeowners and galvanize them into action. A major section of this road opens in January 2019, where their TV Show, Home Diagnostics launches on PBS. You can help spread the word on this topic by asking your local PBS...


EP29 Stop Waiting on the World to Change, a conversation with James Childre

In this episode, Bill chats with James Childre, founder of, a home performance specialist. James shares with us his enthusiasm for the field and describes his persuasive persistence in preaching home performance in his role as a rater and a home inspector. James discusses his approach with contractors and consumers as well as where he looks for improving at his trade. We explore the topic of making change happen and not losing faith in spite of the apparent slow...


EP28 The Happy Scientist at Refrigeration Technologies

After 31 years in business, 3 major career changes and 10 products (and counting) later, John Pastorello shares with us how, and more importantly why he built his business, Refrigeration Technologies. John shares with us how growing up in the Atomic Age spurred his curiosity about the atom and yearning to be a nuclear physicist. Fast forward 30 years later and John has managed to create a successful family owned and operated specialty chemical business focusing on all aspects of the...