Commercial HVAC Service Tech

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.

• 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, contractors, 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

• 7-10 years of commercial HVAC service experience
• EPA 608 Universal Certification
• OSHA 10 or OSHA 30 Certification [preferred]
• Certifications such as NATE, RSES, or OEM trainings [Carrier, Trane, Lennox, Daikin a plus]
• Familiarity with building codes, HVAC equipment…