Ochsner Health - - Responsibilities: Troubleshoots and repairs air conditioning and refrigeration equipment, including electrical and pneumatic controls related to HVAC systems.; Performs preventive maintenance and documents maintenance measures and logs.; Services and maintains rooftop units, split DX systems, and Liebert air conditioning units.; Replaces bearings, belts, pulleys, and air filters on air handling equipment.; Uses refrigerant recovery equipment when servicing refrigerant-based systems.