Service Chiller Technician - HVAC

Key Responsibilities / Job Duties

• Respond to dispatched service calls at customer sites to diagnose, troubleshoot, repair, and perform preventative maintenance on a wide range of commercial/industrial HVAC equipment, including but not limited to:
  • Unitary and Packaged Systems — From small mini-splits to large rooftop/package units (up to 50+ tons); troubleshoot VFDs, controls, compressors; perform maintenance, repairs, and replacements.
  • Boilers — Conduct combustion analysis, troubleshoot water/air flow issues, repair components, and verify proper operation.
  • Chillers — Diagnose and repair compressor, motor, starter, and drive issues (including Wye-Delta, AFD/VFD, and solid-state starters); perform leak detection on low-pressure systems; conduct insulation resistance (Megger) testing on motors; execute full teardowns, rebuilds, and overhauls of compressors, oil systems, and starters. Expertise in centrifugal, screw, and turbo-core compressors is highly valued. Troubleshoot water flow, controls, and operational issues in chiller plants.
  • Control Valves and Related Components — Diagnose and repair signal, actuator, and control issues.
  • Heat Exchangers and Cooling Towers — Identify performance deficiencies, troubleshoot flow issues, perform cleanings, gasket replacements, and reassembly.