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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. This show is a production of TruTech Tools
 
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“I can’t change the direction of the wind, but I can adjust my sails to always reach my destination.” Jimmy Dean Many of the people I meet in the industry have interesting stories. There are struggles and challenges in all their lives, our lives. What if a real police state was limiting your options in life? How would you direct your will? Your des…
 
“Any sufficiently advanced technology is indistinguishable from magic.” Arthur C. Clarke The topic of how to manage and improve indoor air quality comes up a lot lately. With all this interest come the offer of many “solutions” and devices. Wish you could learn the back story of and technology inside some of these devices? Ever wonder about the int…
 
“Astronomy’s much more fun when you’re not an astronomer.” Brian May COVID-19 has impacted the way people interact for many months. Especially the way people interact with each other in spaces outside their homes. What do the air quality scientists have to say about the management of indoor air? What kind of measurements are significant and importa…
 
“When you are enthusiastic about what you do, you feel this positive energy. It’s very simple.” Paulo Coelho The construction is finished. Bill and Mairlyn moved in months ago. What’s it been like for Bill living inside his theories? Were any late course corrections necessary? Any regrets? In this podcast, recorded in April 2021, our friend Allison…
 
“Have nothing in your house that you do not know to be useful, or believe to be beautiful.” William Morris His head has been wrapped up in building and HVAC performance since the late 1980s. How does he sort through bringing his personal vision for his own home to reality? What’s it like actually living inside your theories? In this podcast, record…
 
“Vision is the art of seeing what is invisible to others.” Jonathan Swift Listeners to this podcast know, it is often very hard to explain what it is we do. When I try to explain this, people’s’ eyes and ears glaze over as I get into the technical descriptions of the invisible elements that make a home more comfortable, safer, healthier and energy …
 
“Data, data everywhere, and not a place to sync!” Eric Preston Sensor data and oftentimes, the corresponding analytics are popping up everywhere you look. What is happening in the HVAC world? In newer systems there are some options; most on the high end. But are there any reliable solutions that address more basic systems and the aftermarket? Here …
 
“Talent wins games, but teamwork and intelligence wins championships.” Michael Jordan Years ago if someone said to me: “I’m building a Net Zero home.” I would have thought, “What are they giving up doing so?” Fast Forward to 2021: In addition to me living in a prospective Net Zero Home (check out other episodes of this podcast), there are now sever…
 
“Tell me and I forget. Teach me and I remember. Involve me and I learn Ben Franklin Bill is joined by Peter Troast of the Energy Circle and Steve Byers of Energy Logic to share their many reasons for attending the National Home Performance Conference year after year. Sign up for the 2021 National Home Performance Conference (all virtual) now at: ht…
 
“I’ve been struck again and again by how important measurement is to improving the human condition.” Bill Gates Lend us your ears as Kaleb and Bill have a very fun interview with Ben Reed, VP of Products at TZOA, a relative new comer to the world of measurement products. TZOA’s approach with the Haven product is totally unique: a retrofittable resi…
 
“He who has health, has hope; and he who has hope, has everything.” Thomas Carlyle Bill was honored to welcome Dr. Stephanie Taylor to the podcast where she shares the fascinating story of her career path from medicine to architecture to crusading for better building health by bridging these professional silos. He had a great time interviewing Step…
 
“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 E…
 
“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 Capuci…
 
“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…
 
“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 t…
 
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 …
 
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 Stromquist.com – 2nd generation controls distributor based out of Atlanta, GA. We discuss our thoughts and opinions on: How…
 
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 …
 
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 H…
 
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 …
 
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 ou…
 
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 visio…
 
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…
 
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 ho…
 
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 phot…
 
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 co…
 
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 …
 
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 fai…
 
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 Janua…
 
In this episode, Bill chats with James Childre, founder of RedPointMontana.com, 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 wh…
 
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 yea…
 
Blake Reid shares with us the challenges and rewards of doing home performance work in Hawaii which has the most expensive energy, 12 climate zones, no energy code, an active volcano, and an aggressive state climate goal. As a knowledgeable, ethical and honest “wiz kid” contractor, Blake made a huge decision and moved his family from Ithaca, NY to …
 
What is LEED? Who is involved in LEED? Why should I care about LEED? In today’s episode, Bill Spohn welcomes one of the leaders in the green building industry, Charlie Cichetti, Owner of Green Building Education Services (www.GEBS.com) and the Sustainable Investment Group (www.SIGEarth.com). Charlie covers the history of LEED (Leadership in Energy …
 
What will housing look like in the future? Who are some of the leaders? What are some the topics driving this industry? Bill Spohn welcomes back Chris Dorsi, contractor, educator, author and founder of HabitatX.com to give an overview of all the great discussions held at the 2018 HabitatX conference. We discuss the human aspect of housing which tie…
 
Bill Spohn welcomes Chris Dorsi, contractor, educator, author and founder of HabitatX.com. Chris describes the current arc of his career which he describes as serial interventions starting with cutting timber for housing. Chris shares with us his very thoughtful, respectful and practical perspectives on the housing industry, with a focus on buildin…
 
Show notes AirQuest 4 In this episode, Bill Spohn continues where he left off in Episode 3 of his AirQuest series, discussing airflow measuring methods and techniques. Bill covers vane anemometers as well as the garbage bag method (bag inflation device or BID) For a free copy of the ANSI standard mentioned in this episode go to www.bit.ly/RESNET-38…
 
Show notes AirQuest 3 In this episode, Bill Spohn continues where he left off in Episode 2 of his AirQuest series, discussing airflow measuring methods and techniques. Bill Covers the TrueFlow measuring grid, air flow capture hoods and thermal (hot wire) anemometers. For a 4 part video lesson by Bill, start with lesson one on YouTube, at this link:…
 
Today Ed Kisiel of EKABuild Corp. joins us to discuss the way he goes about constructing super tight homes using standard construction techniques. Ed describes his process and his respect for the House as a System concept: that is the envelope, mechanicals and architectural design all need to work together in harmony. He’s an open minded civil engi…
 
Bryan Barnes of Aeroseal, LLC joins us today to discuss two revolutionary technologies that greatly impact Building Performance: AeroSeal for sealing ducts from the inside out and AeroBarrier for sealing a building enclosure in the same manner. We hear about the science behind Aeroseal and the dramatic performance increases in comfort, energy and t…
 
In this episode Bill chats with Ted Kidd and Nate Adams, two people who share an extreme passion for making better home performance the norm and not the exception. Our conversation gets tough on state energy programs, utility-based programs as well as BPI where we develop out the pros and cons. You can learn more about their aspirations and get som…
 
In today’s episode, Terje Gronas tells us about his 2-year struggle to get the healthy, comfortable and energy efficient home he wanted for his family. He discusses the heavy study and personal interventions he had to make to get what he wanted and paid a premium for. “T” talks about the big picture for contractors and techs: the air in a home can …
 
On today’s show, Bill welcomes Matt Rivers from Onset Computer, manufacturer of the world famous line of Hobo Data Loggers. Matt describes their three main markets: Indoor, Outdoor (Weather) and Water Quality. We hear of the long list of parameters that can be logged that allow technicians, engineers and researchers to collect meaningful time stamp…
 
Today we learn about how Amanda Hatherly has morphed the traditional approaches of technical training into something much more interactive and interesting. Over the last 8 years she helped to develop the Energy Smart Academy at the Santa Fe (New Mexico) Community College. She described some really cool online tools that help people understand the i…
 
Bryan Orr and Bill Spohn spent 3 busy days learning, listening and absorbing the vibe at the world’s largest HVACR trade show, the AHR Expo which took place in Chicago at the end of January 2018. Come walk the auditory aisles with these two friendly nerds and see where the market is headed as a whole and with specific products.…
 
On this episode, Bill Spohn welcomes Bethany Profaizer and Amy Beley from Pearl Certification (www.PearlCertification.com). Pearl has created a unique and very cost effective, third party certification for the major “invisible” elements of a home: building shell (or envelope), HVAC/mechanical systems, energy baseload, home management and photovolta…
 
Joe has worked for for CLEAResult (www.CLEAResult.com ) for over 10 years. His company is a fast growing, highly focused implementer of utility-based energy savings programs. Joe discusses the ins and outs of building an energy savings program for a utility, especially those aspects that involve HVAC and building performance contractors. Joe mentio…
 
Today we talk with Marko Bruinsma, President of Testo, inc. Marko gives us an overview of how his background from destructive testing in labs, to work with rockets and propellants to repping instrumentation shaped his career and lead to his current leadership role with testo. We also learn about the history of testo, the worldwide scope of the orga…
 
Today Bill speaks with JWest, a building performance practitioner and educator. J can be reached at JWest@hph2tc.com (his consulting business) or at JWest@CEDAnet.org (the community action agency in Chicago that he works for as Training Director.) We learn about The House at Cornell Tech Center on Roosevelt Island near NY City, which is the tallest…
 
Today Bill speaks with Gary Reecher, a dedicated HVAC/R technician from day one. Gary discusses how his background in the US Air Force as an Environmental Systems Technician helped shaped his interest and approach to HVAC/R. Gary is very active in the Refrigeration Service Engineers Society (www.RSES.org) and encourages listeners to look at attendi…
 
Today Bill speaks with Griffin Hagle, Weatherization Manager of the North Slope Borough in Barrow (Utqiagvik), Alaska. Griffin discusses what lead him to live and work above the arctic circle, as well as some of the challenges and rewards in doing so. In the show Griffin mentions the HabitatX Conference (www.HabitatX.com) and an article on the unhe…
 
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