02/18/25, Material handling (Lifting, recording inventory), Gas / Oil burner control wiring, Hand Tool awareness, selection, Understanding electrical meter and testing circuits, Basic rigging, Motors and motor control, Introduction to trade electricity, Basic refrigeration theory, Service and repair of HVAC systems, Heat pumps, Brazing and soldering, Commercial refrigeration systems, Construction drawing and specifications, Commercial hot air systems, HVAC/R system diagnostics/ troubleshooting, System Installation, air distribution and Balance, Electrical components (Relay, Contactors, Fuses, capacitors, Conductors)