Complete PM tasks including changing filters, replacing fan belts, cleaning coils, lubricating components, testing and inspecting motors, compressors, electrical components, heat exchangers, burner assemblies, condensate systems, pumps, and related equipment. Essential Functions (we will teach you): Duties include but are not limited to: Perform preventative maintenance (PM) on ductless split systems, split systems (gas & heat pump), package units, exhaust fans, gas heaters, ice machines, and related commercial HVAC equipment.