HVAC School - For Techs, By Techs

Alex Meaney from Wrightsoft joins us to talk about Manual J and S. He also discusses how load calculations and equipment selection apply to real-world situations where contractors are tempted to replace “like-for-like.”

Load calculations have been a staple of new installations, but they are becoming important in...

In this live podcast from the Castbox app, we talk about analog vs. digital, digital vs. probes, and probe vs. non-invasive testing of A/C and refrigeration. We also talk about apps and various Bluetooth tools.

Although analog gauges are old, reliable tools, digital gauges tend to be a bit more accurate than analog...

In this short podcast episode, Bryan talks about ambient CO. He also explains why it matters and what you do to check for it.

CO, carbon monoxide, is a colorless, odorless, and toxic gas that can result in death. It should not be confused with CO₂, carbon dioxide. Although our bodies inhale oxygen and not carbon...

In this podcast, Michael Housh joins us to discuss his years of experience with geothermal heat pumps and their special considerations.

"Geothermal" is a rather generic term, similar to how people say "Freon" to refer to any kind of refrigerant. Those heat pumps don't necessarily have to be underground; you can have...

In this short podcast episode, Bryan explains what water vapor diffusion is. He also explains why it matters to the everyday HVAC technician.

Vapor diffusion is the transfer and distribution of water vapor through a solid surface. New constructions sometimes have vapor barriers on the outside of buildings in hot, humid...