HVAC Service Technician - DFW, TX

Upgrade Resources; Fort Worth (TX); On-site; USD 34,000 - 76,000; Full time

Benefits offered by this job

Company vehicle or mileage

401(k) with company match

Health, dental, and vision insurance

Paid time off and paid holidays

Referral program

Advancement into Lead Technician or Sv

Job summary

Upgrade Resources is seeking an HVAC Service Technician (Levels I-IV) to service commercial systems in the DFW metro area on-site. This role spans a four-level ladder from preventive maintenance to complex chiller and BAS work, with mentoring responsibilities as you advance.

The candidate will troubleshoot, repair, and maintain rooftop units, boilers, and related equipment in hospital, data center, and high-rise settings.

Qualifications

• EPA 608 Certification required (Universal for Level IV).
• TDLR registration required in Texas.
• OSHA 10 or higher certifications are a plus.

Responsibilities

• Perform preventive maintenance on rooftops and split systems, replace filters, clean coils, and check refrigerant levels.
• Complete routine service calls and minor repairs, progressing to independent work with experience.
• Diagnose and repair mechanical, electrical, and refrigerant issues on light to heavy commercial HVAC equipment.
• Service cooling towers, packaged units, air handlers, pumps, VAVs and other equipment.
• Work with building automation systems (BAS) and direct digital controls (DDC) to optimize performance.
• Mentor junior technicians and support after-hours on-call rotation.

Skills

HVAC experience

Troubleshooting

Electrical work

Customer service

On-site work

Education

EPA 608 Certification

Texas TDLR Registration

OSHA 10

Tools

Multimeter

HVAC tools

Job description

Job Title: HVAC Service Technician (Levels I - IV) - DFW, TX

Location: DFW Metroplex, TX (On-site)
Employment Type: Full-Time
Salary: $25.00 - $55.00 Hourly

Company Introduction

This opportunity is with a well-established mechanical contracting firm with more than 40 years of experience delivering innovative HVAC, plumbing, piping, and sheet metal solutions. The company specializes in major mechanical projects for hospitals, data centers, and high-rise commercial buildings, earning a reputation for safety, precision, and high-quality workmanship.

The organization fosters a collaborative, growth-focused culture where employees refine their skills, share knowledge, and advance within a supportive team environment.

Role Overview

The HVAC Service Technician handles the troubleshooting, repair, and maintenance of commercial HVAC systems across a four-level career ladder. Level I technicians perform preventive maintenance and routine service calls on rooftop units and split systems, while Level II and III technicians independently diagnose and repair light through heavy commercial equipment. Level IV technicians serve as the senior technical resource, working on screw, centrifugal, and air-cooled chillers, boilers, and building automation systems while mentoring the team.

The ideal candidate is customer-focused, safety-driven, and committed to delivering dependable, high-quality service that reflects the company's standards. Placement within the ladder is based on verified experience, equipment knowledge, and certifications, with a clear path to advance from one level to the next.

Core Responsibilities

• Perform preventive maintenance on rooftop units and split systems, including filter changes, coil cleaning, belt replacement, and refrigerant level checks.
• Complete routine service calls and minor repairs, working under supervision at the entry level and independently as experience grows.
• Diagnose and repair mechanical, electrical, and refrigerant failures on light through heavy commercial HVAC equipment.
• Service cooling towers, packaged units, air handlers, pumps, VAVs, and other assigned commercial equipment.
• Conduct airflow diagnostics, duct balancing, and static-pressure testing.
• Troubleshoot multistage, variable-speed, and VRF/VRV systems, interpreting wiring diagrams, low- and high-voltage circuits, and control logic.
• Service, overhaul, and troubleshoot screw, centrifugal, and air-cooled chillers, boilers, and pneumatic systems at the senior level.
• Work with building automation systems (BAS) and direct digital controls (DDC) to diagnose and optimize system performance.
• Recommend repair versus replacement options, providing clear justification and cost implications to customers.
• Follow all safety requirements and model safe work practices on every job site.
• Serve as a direct point of contact with customers, explaining equipment conditions, work performed, and recommendations in plain language.
• Complete service documentation, parts usage, and labor hours accurately and on time in the service management system.
• Maintain tools, equipment, and the service vehicle in a safe and professional condition.
• Mentor, support, and guide junior technicians, sharing technical knowledge and best practices.
• Respond to emergency calls and participate in after-hours or on-call rotation as needed.

Required Background

• Must be authorized to work in the U.S. without sponsorship, as sponsorship is not available for this position.
• Level I: 1 to 3 years of HVAC service experience, including routine maintenance and basic electrical work with a multimeter and hand tools.
• Level II: 3 to 5 years of HVAC service experience with independent troubleshooting on light commercial equipment.
• Level III: 7 to 10 years of HVAC service experience, including 3 to 5 years on multistage, variable-speed, and VRF/VRV systems and 5 years of electrical and controls work.
• Level IV: 10+ years of HVAC service experience on high-end commercial and industrial equipment, including chillers, and 5 years of advanced controls and BAS/DDC experience.
• EPA 608 Certification required (Universal required for Level IV).
• Texas TDLR Registration required.
• Commercial HVAC service background required for Levels II through IV; residential and light commercial experience accepted at Level I.
• Valid driver's license and clean driving record.
• Ability to pass a pre-employment drug screen and background check.
• Ability to work on rooftops, in mechanical rooms, and on ladders in indoor and outdoor conditions.
• OSHA 10 or advanced manufacturer certifications a plus.
• Military HVAC or mechanical maintenance background will be considered.
• Bilingual English/Spanish a plus.

Compensation & Perks

• Competitive salary based on experience
• Company vehicle or mileage reimbursement
• 401(k) with company match
• Comprehensive health, dental, and vision insurance
• Paid time off and paid holidays
• Referral program and growth opportunities
• Path for advancement into Lead Technician or Service Management roles