Podcast Episodes
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Replacing a Compressor from Start to Finish
In this podcast episode, Bryan goes over best practices for diagnosing and replacing an A/C or refrigeration compressor.
When testing for a shorted compressor, make sure the compressor is isolated f…
Published on 8 years, 10 months ago
The 5 Readings Every Tech Must Know Well
In this episode of HVAC School, Bryan covers the "5 pillars of refrigerant circuit diagnosis" and why they matter. They are:
Superheat Subcool Suction pressure Head pressure Air temp split (delta T)…Published on 8 years, 10 months ago
Basic Electrical Theory
In this episode of HVAC School, Bryan talks to his sons about basic electrical theory.
Electrical theory normally requires trigonometry, calculus, and all of those fun maths. However, the basics are …
Published on 8 years, 10 months ago
Diagnosis, Reconfirmation, Parts Changers, and You
This episode of HVAC School is a Kalos meeting where Bryan talks to his team about an incident where a leak was erroneously detected on the evaporator coil.
The system was three months old, and one o…
Published on 8 years, 10 months ago
The Basic Refrigeration Circuit
In this episode of HVAC School, we discuss the entire basic refrigerant/compression refrigeration circuit.
We are in the business of moving heat. Heat refers to motion in the molecules. Temperature i…
Published on 8 years, 11 months ago
Solder Rings, Thermal Imaging and My Grouchy Brother
In this episode of HVAC School, I talk with my brother Nathan... and he whines a lot about cool tools I like.
As you might have guessed, Nathan is in the camp of people who believe that proper traini…
Published on 8 years, 11 months ago
The Basics of Moving Heat
In this episode of HVAC School, Bryan talks to some apprentices about basic thermodynamics. That is the fancy scientific way of saying that we're moving heat.
The way we think of "hot" and "cold" is …
Published on 8 years, 11 months ago
Why a TXV instead of a TEV?.. or a CSV?
In this episode of HVAC School, Bryan talks to Leslie about the deceptive TXV.
Thermostatic expansion valves, also known as TXVs or TEVs, are metering devices that maintain superheat. They contain an…
Published on 8 years, 11 months ago