Senior Commercial HVAC Service Technician

HTS Engineering Ltd.; Dallas (TX); On-site; USD 48,000 - 72,000; Full time

Job summary

HTS Engineering Ltd. in Dallas, TX seeks an HVAC service professional to perform preventive maintenance and service on rooftop units, split systems, and commercial equipment.

The role involves diagnosing mechanical, electrical, and refrigerant issues, plus performing airflow testing and system balancing. Candidates should have 4–7 years of HVAC service experience, including 3–5 years on multistage and VRF/VRV systems and 5 years of electrical/controls work.

Qualifications

• 4 to 7 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.

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.

Skills

HVAC systems

Troubleshooting

Preventive maintenance

Electrical work

Control wiring diagrams

Job description

HTS Engineering Ltd. in Dallas, TX seeks an HVAC service professional to perform preventive maintenance and service on rooftop units, split systems, and commercial equipment.

The role involves diagnosing mechanical, electrical, and refrigerant issues, plus performing airflow testing and system balancing. Candidates should have 4–7 years of HVAC service experience, including 3–5 years on multistage and VRF/VRV systems and 5 years of electrical/controls work.