Circuit Board Diagnosis Basics
In this unedited episode of HVAC School Bryan and Nathan talks about some basic rules for circuit board diagnosis including –  – Isolation Diagnosis – Open Circuits – Short  Circuits  and many other best practices. 
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High Efficiency Furnace Basics & Maintenance
Bryan talks to Ben from Canada about gas furnace basics as well as high-efficiency furnace basics and maintenance. 
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Cutting Compressors, iManifold and Thermal Imaging w/ Ulises Palacios
In this episode I get Ulises Palacios on the phone and we talk about some of the things he has been up to. Specifically the iManifold / Bluvac integration, cutting compressors open and thermal imaging. 
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Electronic Leak Detection
Electronic leak detection is a critical part of any HVAC technician's common practice. Unfortunately, it is also one of the most common sources of misdiagnosis. Here are my tips to make your leak detection more successful: Use Your Detector Second  Before starting to use your detector, STOP! Look for signs of leaks and corrosion throughout […]
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Heat Pumps, reversing Valves and Defrost
In this episode Bryan talks about heat pumps, reversing valves, defrost, common issues, checking charge in heat mode and diagnosing the dreaded bypassing reversing valve. 
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Relays, Sequencers, Transformers and Questionable Metaphors
In this episode Nathan and Bryan talk about Relays, Sequencers, Transformers, Contactors, open and Closed Circuits and much more. 
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