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HVAC School - For Techs, By Techs

Dec 2, 2021

Amrit Robbins of Axiom comes on the podcast to discuss how we can use data science to transform grocery and cold storage.


Axiom Cloud uses cloud analytics and AI to map data and analyze trends on refrigeration racks. It can be particularly useful to keep track of readings all the time because it’s impractical to...

Nov 23, 2021

In this short podcast, Bryan goes over the basics of superheat and explains why it matters to us.


Superheat is the temperature increase above a substance’s saturation temperature or boiling point. When a substance is superheated, that means it is 100% vapor; there is no liquid at all. We can look at our superheat...

Nov 18, 2021

In this podcast episode, Bryan and Eric Mele talk about sight glasses, the significance of subcooling in refrigeration, and liquid quality.


While we measure subcooling quite often in HVAC work, we rely on sight glasses and liquid line receivers far more often in refrigeration. You need a sight glass to determine the...

Nov 16, 2021

In this short podcast, Bryan explains the basics of repairing aluminum, such as on coils or tubing.

Repairing aluminum can save lots of time on mission-critical calls and can help stop refrigerant leaks that lead to ozone layer depletion or global warming. Soldering makes almost all of the aluminum repair work we will...

Nov 9, 2021

In this short podcast, Bryan goes over energy transfer and heat, specifically specific heat.

BTUs per ton is a common measurement; a BTU (British thermal unit) is the amount of heat it takes to raise the temperature of one pound of water by one degree Fahrenheit. 12,000 BTUs per hour is equal to one ton in heating...