HVAC Technical Academy student Julian Vivero explains the purpose of an HVAC contactor, how it controls power to major system components, and common causes of contactor failure.
Julian Vivero – What Is an HVAC Contactor?
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Attendee Training Video
Julian Creech – How to Pull a Vacuum on an HVAC System
HVAC Technical Academy student Julian Creech demonstrates the proper procedure for pulling a vacuum on an HVAC system and explains why removing air and non-condensables is critical to system performance
Jesus Colon–HVAC Workshop May–Jun 2026
Workshop completion requirements have not been fulfilled at this time.
Greyson Felt – What Does an HVAC Filter Dryer Do?
HVAC Technical Academy student Greyson Felt explains how a filter dryer removes moisture and contaminants from refrigerant and discusses common signs of filter dryer problems.
Cordale McCoy – How to Recover Refrigerant from an HVAC System
HVAC Technical Academy student Cordale McCoy explains the proper refrigerant recovery process and demonstrates the equipment used to safely recover refrigerant from an HVAC system.
Kortney Ellis HVAC Training Video – Refrigerant Recovery Process
Kortney Ellis demonstrates the refrigerant recovery process and explains how refrigerant is safely removed and handled. This video highlights one of the many hands-on skills students develop at HVAC Technical Academy.