Commercial HVAC Service Technician

Cortez Heating and Air Conditioning•Miami, FL

7d•$30 - $40•Onsite

About The Position

Since 1964 Cortez Heating & Air is a leading commercial HVAC service provider across the state of Florida. Headquartered in Bradenton, Florida, we specialize in the installation, maintenance, and optimization of complex mechanical systems across industrial, institutional, and multi-site environments. Our expertise spans a wide range of equipment, including large-tonnage rooftop units, split systems, VRF/VRV technology, chillers, boilers, ventilation systems, building automation controls, and energy-management solutions. We partner with facility managers, general contractors, and commercial clients to deliver reliable system performance, minimize downtime, and ensure compliance with industry standards, including ASHRAE, OSHA, EPA Section 608, and manufacturer specifications. Our service approach prioritizes accurate diagnostics, root-cause analysis, and long-term operational efficiency. We cultivate a professional environment where technicians can refine their skills through ongoing training, work on challenging commercial projects, and advance within a company that values expertise, accountability, and high-quality workmanship. As we continue to expand our commercial portfolio, we’re looking for technicians who excel in complex mechanical environments and take pride in delivering best-in-class service. The Commercial HVAC Service Technician is responsible for diagnosing, repairing, and maintaining heating, cooling, and refrigeration systems for our commercial customers. This role ensures all systems operate safely, efficiently, and reliably while providing exceptional service to customers. The technician is accountable for performing preventive maintenance, handling emergency service calls, accurately documenting work, and adhering to all safety, code, and company standards. Success in this position requires technical expertise, problem-solving skills, and a commitment to delivering high-quality, dependable HVAC solutions.

Requirements

5 -10 years of commercial HVAC service experience
EPA 608 Universal Certification
Familiarity with building codes, HVAC equipment manufacturers, and industry standards
Experience with chillers, boilers, cooling towers, and VAV systems
Ability to read and interpret wiring diagrams, schematics, and technical manuals
Understanding of brazing, soldering, vacuum pulls, leak detection, and electrical diagnostics
Valid driver’s license and meet company’s MVR standards

Nice To Haves

OSHA 10 or OSHA 30 Certification
Certifications such as NATE, RSES, or OEM trainings [Carrier, Trane, Lennox, Daikin a plus]

Responsibilities

Diagnose mechanical, electrical, and refrigeration issues on commercial systems including RTUs, split systems, heat pumps, VRF/VRV systems, air handlers, and exhaust systems
Inspect, troubleshoot, and repair components such as compressors, motors, fans, TXVs, belts, bearings, contactors, sensors, and control boards
Utilize diagnostic tools [meters, gauges, leak detectors, combustion analyzers] to pinpoint system failures
Perform routine maintenance on HVAC equipment, including filter changes, coil cleaning, lubrication, belt replacement, and refrigerant checks
Document equipment condition and recommend corrective action to reduce downtime and extend equipment life
Service and repair walk-ins, reach-ins, ice machines, and refrigeration systems
Identify leaks, recover/recharge refrigerants, and ensure compliance with EPA regulations
Work with DDC and BAS systems [e.g., Trane, Johnson Controls, Honeywell] to adjust setpoints, troubleshoot alarms, and verify control sequences
Read and interpret wiring diagrams, schematics, and blueprints
Complete digital service tickets with accurate notes, parts used, and labor hours
Communicate findings and recommended repairs to customers clearly and professionally
Provide exceptional service to build strong customer relationships
Follow OSHA, EPA, and company safety standards
Maintain tools, equipment, and company vehicle in clean, safe working condition
Ensure all refrigerant handling complies with EPA 608 regulations