HVAC School - For Techs, By Techs
Real training for HVAC ( Heating, Ventilation, Air Conditioning and Refrigeration) Technicians. Including recorded tech training, interviews, diagnostics and general conversations about the trade.
Episodes
In this episode of the HVAC School Podcast, host Bryan sits down with Phil, the executive electrical team leader at Kalos who has transitioned into the world of estimating. Phil shares his extensive background in electrical work dating back to 1994, from his high school electrical elective to running his own business for eight years before joining Kalos and eventually establishing their es...
In this short podcast, Bryan answers a listener-submitted question about Nylog, oil, and where you put them when you're making flares.
Nylog is a thickened refrigerant oil (which is either POE for Nylog Blue or mineral oil for Nylog Red), and it's miscible with the refrigerant and moves with it through the circuit. You don't want to put excess Nylog on valves, but a smal...
In this episode of the HVAC School podcast, Bryan and Jim discuss strategies for growing an HVAC business, focusing on the importance of maintenance contracts, consistent service, and effective branding. Drawing from Jim's 15 years of experience running a successful HVAC company in California, they explore how maintenance contracts not only provide consistent revenue but also create valuab...
In this short podcast episode, Bryan answers a listener-submitted question about oversized evaporator coils, particularly when they're half a ton or a full ton larger than the condenser.
The expanded performance data contains the information that'll tell you whether the coil is right for the system. However, when it comes to the specific issue of oversizing, there is a c...
In this episode of the HVAC School podcast, host Bryan sits down with building science expert Allison Bailes to dive deep into the world of Energy Recovery Ventilators (ERVs). The conversation explores the critical role of ventilation in modern homes, highlighting how ERVs have become an essential component of maintaining indoor air quality and energy efficiency. Bailes breaks down the tec...
In this short podcast episode, Bryan answers a listener-submitted question asking whether you can use another surge protector at the disconnect panel with an ICM 493 already in place.
Using multiple surge protectors in the configuration described does NOT count as daisy-chaining. Surge protectors with MOVs (metal oxide varistors) shunt current from high voltage to ground...
In this podcast episode, HVAC professionals Chris Hughes and Adam Mufich discuss the intricate challenges technicians face when commissioning modern inverter-based heating and cooling systems. Unlike traditional single-stage or two-stage HVAC equipment, inverter systems introduce a new level of complexity that can leave even experienced technicians feeling uncertain about proper installati...
In this short podcast episode, Roman Baugh takes over the HVAC School podcast to answer a listener-submitted question about VRF (or VRV) system evacuation.
Evacuation is a critical step of making repairs on VRF systems, which are very diverse and versatile but require a high level of understanding. VRF systems have multiple indoor units per outdoor unit, and they achieve...
This podcast episode is of Bryan's session from the HVAC School Symposium, "10 Things I've Learned in the Last 10 Years." Delivered as HVAC Schoo...
In this short podcast episode, Bryan answers a listener-submitted question about using R-290 as a drop-in refrigerant for R-22 systems. It is NOT safe to use R-290 as a drop-in, but there are some similar properties between the two and some interesting thought experiments within this topic.
R-290 is propane, a hydrocarbon that belongs to the family of natural refrigerant...
In this episode of the HVAC School Podcast, host Bryan welcomes Jeff from Copeland to discuss the critical topic of flooding and slugging in compressors. Jeff, calling in from frigid Minnesota (at negative 19°F), explains the differences between these harmful conditions and how they can damage compressor systems.
The conversation begins by differe...
In this short podcast episode, Bryan answers a listener-submitted question: what is the best brand of equipment for residential new construction?
A lot of people have their own personal preferences when it comes to brands, whether that's with equipment, tools, or even cars. However, when it comes to HVAC equipment, there are a lot of factors that come into play, especial...
Join Bryan Orr and Furman Haynes from WorkHero for a great discussion about how to keep HVAC local and help more small owners succeed.
Live from AHR Expo 2025, we get to hear from one of the founders of an exciting new company that is offering ...
In this livestream MeasureQuick Talks with Bert. This is an impromptu Talk with industry leaders, including Shelby Breger from Conduit and Joe Medosch from MeasureQuick, about how mobile technology is revolutionizing HVAC diagnostics and training. Featuring special guests discussing how modern tools like MeasureQuick and other diagnostic app...
Join us as we sit down with Nick from Inficon at AHR Expo 2025 to discuss the latest innovations in Leak Detection Tech. We explore the evolution from halide torches to modern infrared sensors, and get an exclusive look at their newest product - the D-TEK Pro.
Join Bryan Orr as he goes Live from the AHR Expo 2025 at the Orange County Convention Center with Kalos Services team members Dre and Elliot! They share their first impressions of the massive HVAC industry expo, discuss interesting booth displays, and chat about the latest tools and technology they've spotted on the show floor.
Get their perspective on what it's like to attend one of the la...
In this engaging episode of the HVAC School Podcast, host Bryan sits down with Jesse from NAVAC to dive deep into the evolving landscape of refrigeration technology, focusing primarily on the transition to A2L refrigerants. The conversation offers a refreshingly pragmatic approach to addressing industry concerns about these new, mildly flammable refrigerants, dispelling myths and providing...
Roman Baugh and Donald Falese from VRF Tech Talk podcast takeover the HVAC School booth at AHR EXPO 2025. Join them as they talk about the new VRF products being unveiled, water cooled VRF up's and down's and why VRF is such a difficult trade work in. You will not want to miss this one!
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Join us for a candid conversation with Bill Spohn from TruTech Tools at AHR Expo 2025! Bill shares exciting news about his planned retirement and transition plan for TruTech Tools, plus gives his insights on this year's 6th Annual HVAC/R Training Symposium where TruTech Tools was the title sponsor. We discuss the unique community atmosphere of both the Symposiu...
In this informative podcast episode, Bryan from HVAC School is joined by Louise Keller, the National Training Manager for UEI Test Instruments, to discuss the critical importance of carbon monoxide safety and proper combustion analysis. The conversation begins with lighthearted banter about the previous night's Tactical Awards ceremony before diving into the serious topic of CO dangers and...
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