Don's Heating and Air is seeking a Heavy Commercial Demand Service Technician . Tech will diagnose, troubleshoot, and repair large-scale commercial heating, ventilation, air conditioning, and refrigeration systems on an emergency or as-needed basis. Will be required to work on heavy equipment like large centrifugal/chillers, cooling towers, built-up air handlers, variable refrigerant flow (VRF) systems, and industrial-grade rooftop package units.

Key Responsibilities Diagnose Failures:

Test complex electrical circuits, pneumatic/digital controls, compressors, and fluid lines to find root causes of sudden system breakdowns.

Manage Emergency Calls:

Respond quickly to high-priority demand service dispatches to limit downtime for commercial operations.

Handle Refrigerants:

Recover, recycle, and manage refrigerants according to strict environmental rules.

Communicate and Report:

Explain technical problems to building owners or facility managers and write clear service reports.

Job Requirements Experience:

5 to 8+ years of hands-on field experience with heavy commercial and industrial HVAC/R systems.

Certifications:

EPA Universal (608) Certification is mandatory; NATE certification or OEM equipment training is a strong plus.

Technical Skills:

Expert ability to read complex wiring schematics, blueprints, and diagnostic software.

Physical Requirements:

Ability to lift up to 75 pounds, climb high ladders to rooftops, and work in tight mechanical rooms or extreme outdoor weather.

Availability:

Must join an on-call emergency rotation and work overtime when commercial systems fail. To view full details and how to apply, please login or create a Job Seeker account