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, Bryan welcomes back Brynn Cooksey from Air Doctors and HVAC U to discuss critical topics facing the HVAC industry today. Brynn brings his unique perspective as both a successful contractor in southeast Michigan and an industry educator who has made the transition to focusing primarily on workforce development and training.
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In this short podcast episode, Bryan talks about crankcase heaters, including their different types, what they do, and when we need to use them.
Crankcase heaters usually come in belly band varieties, but some can be inserted into the sump of the compressor. As their name suggests, crankcase heaters heat the crankcase when the compressor is off. They prevent flooded star...
In this episode of the HVAC School podcast, Bryan welcomes back Jim to discuss the groundbreaking SureSwitch contactor technology from Copeland. This isn't just another incremental improvement - it's a complete reimagining o...
In this short podcast episode, Bryan goes through the process of testing and replacing a run capacitor.
Run capacitors provide continuous phase-shifted current to the start winding, allowing the motor to run in the right direction and with the appropriate amount of torque. These capacitors are needed in most of the single-phase PSC motors we work with. Run capacitors ar...
In this comprehensive episode of the HVAC podcast, Bryan hosts an in-depth discussion about dehumidification technologies with two industry experts: David Schurk, National Sales Manager for Innovative Air Technologies, and Nikki Krueger from Santa Fe Products. The conversation explores the fundamental differences between compression refrigeration dehumidification and solid desiccant systems,...
In this short podcast episode, Bryan talks about learning styles and gives some tips for "learning better" and getting more out of continuing education opportunities.
The first step to getting more out of educational opportunities is to know your learning style. There are three main styles: visual, kinesthetic (hands-on), and auditory. Most tradespeople will probably fal...
Sharon Goepferich from Cool Air Products joins the podcast to discuss cutting-edge capacitor technology and innovative HVAC solutions in an introduction to the Sigma capacitor. Sharon brings a decade of industry experience, having worked extensively with capacitors and HVAC components while traveling across the country to educate technicians and contractors.
In this insightful episode of the HVAC School podcast, host Bryan sits down with Jennifer Butsch, Director of Regulatory Affairs at Copeland, to discuss the rapidly evolving regulatory environment affecting the HVAC industry. With eight years of experience at Copeland and a background spanning codes, standards, and regula...
In this short podcast episode, Bryan walks through some common thermostatic expansion valve (TXV) troubleshooting scenarios. Many of the same principles apply to troubleshooting electronic expansion valves (EEVs). These dynamic metering devices maintain a constant superheat.
Troubleshooting does NOT start and end with the TXV. First, you need to inspect components (espec...
In this episode of the HVAC School podcast, host Bryan Orr and guest Ty Branaman have an in-depth, hands-on conversation about the philosophy, structure, and impact of GRIT Camps—workshops designed to introduce kids to the trades through immersive, practical experiences. The episode opens with reflections on a recent successful GRIT Camp in New Jersey, where both mentors and children gained new skills...
In this short podcast episode, Bryan talks about band-aids, hacks, and ethics. He explores ethical "band-aid" solutions and how to charge for them. He also covers the difference between patching up equipment ethically and unethical repairs.
Temporary fixes and ugly permanent fixes fall into the ethical gray area for a lot of people, especially if technicians or HVAC busi...
In this episode, Bryan and Roman dive deep into the world of Variable Refrigerant Flow (VRF) systems, focusing on the persistent issue of compressor failures. VRF technology has evolved, and it has seen a major rise in the North American market since the early 2010s. Roman shares his passion for VRF, tracing its origins back to 1982 and explaining how it earned the nickname “chiller killer” by replaci...
In this short podcast episode, Bryan talks about some no-serve situations he's encountered as a technician and HVAC business owner. He also talks about situations that may be unpleasant but aren't quite no-serve situations.
Some common and obvious no-serve situations are when a client threatens a technician, especially with lawsuits, bad reviews, or even bodily harm. How...
In this informative HVAC podcast episode, Bryan and Bert dive deep into the complex world of locked and internal overload compressors, focusing specifically on single-phase residential units. The discussion begins with Ber...
In this short podcast episode, Bryan covers some unique electrical cases: when 0v isn't safe.
When you measure voltage, you're finding out the electrical potential between two points. Just because there is 0v between one point and another doesn't mean there will be 0v between those points and other points. Non-contact voltage detectors are good tools that measure the flu...
In this episode, Bryan and Bert dive into the often misunderstood world of compressor testing, focusing on common mistakes technicians make when using ohmmeters, compressor testers, and megohm meters. The conversation highlights how diagnostic errors can lead to unnecessarily condemned compressors and wasted time and resources.
The hosts begin by ...
In this short podcast episode, Bryan talks about what the ambient rating means on a motor. These ratings can be found on both condensing fan motors and blower motors. They have Cs in their rating, which represents the maximum ambient temperature the motor can handle in degrees Celsius (like 40C or 60C).
In this episode of the HVAC School podcast, host Bryan discusses superheat with guest JD, who recently co-authored an article on the topic with Ty Branaman. The conversation explores the often misunderstood concept of superheat, its importance in HVAC diagnostics, and common misconceptions technicians have when measuring and interpreting it.
Bryan...
In this short podcast, Bryan talks about how to deal with too much at work and in life. He gives some practical tips to help you when you feel overwhelmed.
One of the best ways to get ahead is to wake up early, exercise, get sunlight, stay hydrated, eat healthy, and get enough sleep. Taking care of yourself and giving yourself ample opportunities to set your mind and bod...
Bryan from HVAC School interviews JD Kelly, known as "student of HVAC" on Instagram, about Delta T measurements in HVAC systems. This episode dives into the fundamentals of Delta T, common misconceptions, and proper measurement techniques.
JD explains that Delta T is simply a temperature difference between two points of the same medium, which is o...
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