EMCOR Group - - Responsibilities: Install new HVAC units, brazing, line sets, trimming refrigerant and adding charge.; Perform start up, testing and commissioning on RTUs, Air Handlers, VAVs, Fan Coil units, swamp coolers and other Commercial HVAC Equipment; Test lines, components, and connections for leaks, brazing and soldering parts as necessary to repair defective joints.; Perform preventative maintenance on the equipment such as vacuuming, cleaning, changing filters, and oiling parts.; Install piping systems to include but not limited to drain piping, p-traps, water lines, gas lines valves and actuators