Videos

Bryan discusses reasons a motor is running hot or inefficient and things that are done on maintenance/service calls that can help solve the problem.

Bryan talks through the entire basic refrigeration circuit using a Hamden R123 trainer.

HVAC School has reached 100k subscribers!! We wanted to thank you all and bring you a compilation of Top HVAC Tech Tips from some talented HVAC Techs. Featuring Eric Mele, Andrew Greaves, Sam Behncke and of course Bryan Orr.    

Eduard shows us more practical metal duct work skills by installing a rectangle to round transition into and existing duct riser.

This video covers the weight and enthalpy impacts of humidity (water vapor, moisture) in the air. We discuss the weights of various molecules and how and why we are mistaken about the impact water vapor has on the weight of air. We discuss relative humidity, dewpoint, mass, volume and more… all related to understanding air […]

In this video Home Performance Unicorn tech and owner Genry Garcia shows us how to check home pressures to find issues using a precise manometer and more.

In this meeting tool giveaway free for all Bryan gives away some useful and odd little tools that can make the job easier and talks a bit about each one.

In Bert’s second ever substitute class he reviews more tank safety practices and then dives into the basic Refrigerant Circuit.

Kaleb goes through the process of Heat Rise Airflow Calculation.