This may include, but is not limited to: handling refrigerant, working with natural/propane gas, basic pipe-fitting, soldering/brazing, chillers (scroll, screw, reciprocating and centrifugal), walk-ins, reach-ins, package and split-system A/C's, ice-machines, air handlers, cooling towers, exhaust fans, make-up air (MUA) units, return fans, variable air volume (VAV's), re-heat coils, ductwork, heat-pumps, furnaces, boilers (hot water and steam), converters - high temp hot water (HTHW), medium temp hot water (MTHW), domestic hot water (DMHW), unit heaters (electric, gas fired, and hydronic) pumps, motors, motor starters, variable frequency drives (VFD's) motor control centers (MCC's), electrical disconnects, air compressors, air driers, electronic/pneumatic controllers, etc. Inspect, repair, maintain and install - commercial and industrial HVAC/R equipment and associated components, at a Journeyman's level of competency.