Light Commercial HVAC Tech: RTU & Chiller Expert

Lex-Cooling,-Heating,-Plumbing-and-Electric; Dallas (TX); On-site; USD 100,000 - 150,000; Full time

Benefits offered by this job

Competitive pay

Paid vacation

Company iPhone/iPad

Company truck with gas card

Training & development

Supportive culture

Job summary

Lex Air Conditioning, Heating, Plumbing, and Electrical seeks a skilled Light Commercial HVAC Technician to install, maintain, troubleshoot, and repair commercial HVAC systems. You will diagnose, repair, and maintain RTUs, package units, and commercial refrigeration, while ensuring safety and quality workmanship.

This role requires 3–5+ years of experience, EPA 608 certification, a valid driver’s license, and the ability to read electrical schematics and mechanical drawings.

Qualifications

• 3–5+ years of light commercial HVAC experience.
• Strong troubleshooting and diagnostic skills.
• Experience with rooftop units (RTUs), package units, and commercial refrigeration.
• EPA Section 608 Certification required (Universal).
• TDLR (Preferred).
• Valid driver’s license and clean driving record.
• Ability to read electrical schematics and mechanical drawings.

Responsibilities

• Diagnose, repair, and maintain light commercial HVAC systems, including rooftop units, split systems, chillers, and boilers.
• Perform routine preventive maintenance on commercial equipment.
• Troubleshoot electrical, mechanical, and refrigeration issues.
• Diagnostics, leak detection, recovery, and charging per EPA regulations.
• Read and interpret blueprints, wiring diagrams, and manuals.
• Maintain service records and complete work orders.
• Communicate with customers about system conditions and repairs.
• Follow safety procedures, local codes and company policies.
• Maintain tools, equipment, and company vehicles.

Skills

Troubleshooting

Diagnostics

RTUs

Package units

Commercial refrigeration

Electrical schematics

Mechanical drawings

Tools

EPA 608 Certification

Job description

Lex Air Conditioning, Heating, Plumbing, and Electrical seeks a skilled Light Commercial HVAC Technician to install, maintain, troubleshoot, and repair commercial HVAC systems. You will diagnose, repair, and maintain RTUs, package units, and commercial refrigeration, while ensuring safety and quality workmanship.

This role requires 3–5+ years of experience, EPA 608 certification, a valid driver’s license, and the ability to read electrical schematics and mechanical drawings.