HVAC Service Technician - Light Commercial

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

Benefits offered by this job

Paid vacation and holidays

Company-provided iPhone and iPad

Fully equipped company truck with gas卡

Job summary

Lex Air Conditioning, Heating, Plumbing, and Electrical is seeking a skilled Light Commercial HVAC Technician to install, maintain, troubleshoot, and repair commercial HVAC systems in the Dallas–Fort Worth area.

The ideal candidate has 3–5+ years of experience, EPA 608 certification, and a valid driver's license. Expect field work on RTUs, package units, and commercial refrigeration, with a focus on safety and customer communication.

Qualifications

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

Responsibilities

• Diagnose, repair, and maintain light commercial HVAC systems (RTUs, rooftops, chillers, boilers).
• Perform routine preventive maintenance on commercial equipment.
• Troubleshoot electrical, mechanical, and refrigeration issues.
• Conduct diagnostics, leak detection, recovery, and charging per EPA regulations.
• Read and interpret blueprints, wiring diagrams, and technical manuals.
• Maintain accurate service records and complete work orders.
• Communicate system conditions and recommended repairs to customers.
• Follow safety procedures, local codes, and Company policies.
• Maintain tools, equipment, and company vehicles.

Skills

Troubleshooting

Diagnostics

HVAC experience

Electrical schematics

Education

EPA Section 608 Certification

TDLR

Job description

Position Summary

We are seeking a skilled Light Commercial HVAC Technician to install, maintain, troubleshoot, and repair commercial heating, ventilation, and air conditioning systems. The ideal candidate will have strong diagnostic abilities, experience working on a variety of commercial equipment, and a commitment to safety and quality workmanship.

Key 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, 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 effectively with customers regarding system conditions and recommended repairs.
• Follow all safety procedures, local codes, and company policies.
• Maintain tools, equipment, and company vehicles.

Qualifications

• 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 required (Universal Required).
• TDLR (Preferred)
• Valid driver’s license and clean driving record.
• Ability to read electrical schematics and mechanical drawings.

Preferred Qualifications

• Commercial HVAC certification or technical school training.
• Experience with building automation systems (BAS).
• Strong customer service and communication skills.
• Competitive pay and great work environment
• Paid vacation and holidays
• Company-provided iPhone and iPad
• Fully equipped company truck with parts, equipment, and gas card (For Qualified Positions)
• Training & Development: Continuous education and advancement opportunities
• Company Culture: Supportive, inclusive, and team-oriented work environment

Works in field environments across residential job sites, climbing ladders and navigating uneven surfaces. Regularly works in confined spaces and moves materials up to 50 pounds. Operates hand and power tools and vehicles. Must be able to see, hear, and exchange accurate information with customers and team members. Regular exposure to outdoor weather, noise, and dust. Reasonable accommodation may be made to perform essential functions.

#LEX

Pay Range

$100,000 - $150,000 USD

About Lex:

At Lex Air Conditioning, Heating, Plumbing, and Electrical, we’re not just a team—we’re a family committed to excellence. We proudly serve the Dallas–Fort Worth area with integrity, professionalism, and the kind of service that makes customers for life. If you’re looking for a company that treats you like family, respects your time, and helps you grow your career in the trades, Lex is the place to be. Come deliver the Gold Standard of White Glove Service—and get the support you need to shine.

We are an equal-opportunity employer committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic outlined by federal, state, or local laws.

We invite applicants to share their demographic background. If you choose to complete this survey, your responses may be used to identify areas of improvement in our hiring process.

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For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file.

As set forth in Lex Cooling, Heating, Plumbing and Electric’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.