Commercial HVAC Field Diagnostics Technician

Your morning starts at 6:00 AM with schedules routed from our Mamaroneck, NY base. You head into Manhattan to keep offices, institutions, and mixed‑use facilities comfortable and efficient. One call might have you diagnosing a chiller control fault; the next, balancing a VAV box or tuning a rooftop unit. By afternoon, you’re interpreting a wiring diagram to isolate a short, documenting your findings, and communicating next steps clearly to the client. When needed, you join the after‑hours on‑call rotation to keep critical systems online.

• Comprehensive maintenance, troubleshooting, and repair of commercial systems: chillers, boilers, water‑source heat pumps, cooling towers, packaged rooftops, split systems, controls, pumps, and VAVs


• Reading and applying wiring diagrams and schematic drawings with precision


• Delivering clear, professional service and recommendations to cli...