HVAC Service Technician - Light Commercial

Lex Cooling, Heating, Plumbing and Electric • Plano, TX

1d • Onsite

About The Position

Lex Air Conditioning, Heating, Plumbing, and Electrical is seeking a skilled Light Commercial HVAC Technician to install, maintain, troubleshoot, and repair commercial heating, ventilation, and air conditioning systems. The ideal candidate has strong diagnostic abilities, experience with a variety of commercial equipment, and a commitment to safety and quality workmanship. The role serves field environments across the Dallas–Fort Worth area and involves customer communication, accurate service documentation, and adherence to safety procedures, local codes, and company policies.

The work includes rooftop units, split systems, chillers, boilers, package units, and commercial refrigeration systems. The technician must be able to perform diagnostics and refrigerant leak detection, recovery, and charging in accordance with EPA regulations; read blueprints, wiring diagrams, technical manuals, electrical schematics, and mechanical drawings; and maintain tools, equipment, and company vehicles. The position also involves climbing ladders, navigating uneven surfaces, working in confined spaces and outdoor conditions, and moving materials up to 50 pounds.

Lex describes its culture as supportive, inclusive, and team-oriented, and emphasizes integrity, professionalism, customer service, and career growth. The company is an equal-opportunity employer committed to diversity and inclusion and prohibits discrimination and harassment based on protected characteristics.

Requirements

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

Nice To Haves

• TDLR.
• Commercial HVAC certification or technical school training.
• Experience with building automation systems (BAS).
• Strong customer service and communication skills.

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.
• Perform diagnostics, leak detection, refrigerant recovery, and charging in accordance with EPA regulations.
• Read and interpret blueprints, wiring diagrams, and technical manuals.
• Maintain accurate service records and complete work orders.
• Communicate with customers about system conditions and recommended repairs.
• Follow safety procedures, local codes, and company policies.
• Maintain tools, equipment, and company vehicles.

Benefits

• Competitive pay.
• Medical, dental, life, and vision insurance.
• Paid vacation and holidays.
• Company-provided iPhone and iPad.
• Fully equipped company truck with parts, equipment, and gas card for qualified positions.
• Continuous education and advancement opportunities.
• Supportive, inclusive, and team-oriented work environment.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed