2 Hose Vacuum Pump Procedure VS 1 Hose Vacuum Pump Setup for HVAC!

Refrigerant Recovery Machine, Hose, and Tank Setup! Recovery Process!

Teaching HVAC ELECTRICAL Wiring, Components, Troubleshooting to Students using a Training Board!

HVAC Training Basics for New Techs: Gauges, Pressures, Temps, Check the Charge!

HVAC Tips to Avoid Vacuum Problems! Top 15!

HVAC 1st Year Apprenticeship Class, How an AC Works, Refrigeration Cycle w Bryan Orr- HVAC School

Testing if an HVACR Compressor is Shorted to Ground, Open, or Overload Tripped!