HVAC Technical Academy student Zion Mitchell explains why a heat strip may produce smoke, discusses how heat strips operate in HVAC systems, and demonstrates replacing a faulty heat strip during the May–June training session in Sanford, Florida.
May 2026
Michael McNichols–How to Test HVAC Capacitors
HVAC Technical Academy student Michael McNichols demonstrates how to inspect and test HVAC capacitors, explains capacitor functions, and shows how to verify microfarad readings during hands-on training in Sanford, Florida.
Kemarus King–How a Condenser Fan Motor Works
HVAC Technical Academy student Kemarus King explains how condenser fan motors operate, common signs of failure, and basic diagnostic testing during hands-on HVAC training in Sanford, Florida.
Julian Vivero – What Is an HVAC Contactor?
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 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





