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HVAC School - For Techs, By Techs

Nov 26, 2020

In this episode, Bryan and Sam discuss freezing evaporator coils. They explain why frozen coils happen and how to address them.

When the coil's surface temperature drops below freezing (32 degrees), the moisture in the air that condenses on the coil can freeze to the coil. In those situations, your suction...


Nov 19, 2020

Mike Klokus and Corey Cruz from Kalos come on the podcast to talk about drain cleaning. They discuss their tips and some best practices.

Approximately 50% of the calls in the light commercial division have to do with drains, and drain cleaning is a common PM procedure. The procedure starts off when you pull the panel...


Nov 17, 2020

In this short podcast episode, Bryan talks about the differences between single-phase and two-phase refrigeration. This particular episode is about the fundamentals of physics, chemistry, and science in general.

When we talk about phases, we're referring to the changes in the states of matter. We typically think of the...


Nov 12, 2020

In this episode, Bryan talks with Peter Capuciati and Bryan Johnson from Bluon. They discuss how refrigerant regulations keep changing and how technicians can make sense of it.

We've begun phasing out R-22; the refrigerant can no longer be imported or manufactured in the United States. We can still recover and reclaim...


Nov 10, 2020

In this short podcast episode, Bryan talks about the differences between single-phase and two-phase refrigeration. This particular episode is about the fundamentals of physics, chemistry, and science in general.

When we talk about phases, we're referring to the changes in the states of matter. We typically think of the...