Senior Commercial HVAC Diagnostics & Repair Lead

HTS Engineering Ltd.; Dallas (TX); On-site; USD 65,000 - 90,000; Full time

Job summary

HTS Engineering Ltd. is seeking an experienced HVAC Technician to diagnose, service, and repair large commercial systems in Dallas, TX.

You will handle complex service calls from diagnosis through repair, troubleshoot electrical and control issues, and read wiring diagrams to support customers and teammates. The role requires 5+ years of commercial HVAC experience, EPA Universal Certification, and a valid driver’s license.

Qualifications

• 5+ years of demonstrated commercial HVAC service experience.
• Strong background servicing equipment in large commercial environments.
• Advanced HVAC diagnostic and troubleshooting ability.
• Experience with large packaged and rooftop HVAC equipment.
• Strong electrical troubleshooting skills.
• Ability to independently diagnose complex system issues.
• EPA Universal Certification.
• Valid driver's license.

Responsibilities

• Diagnose, troubleshoot, service, and repair large commercial HVAC systems.
• Handle complex service calls independently from diagnosis through repair.
• Troubleshoot electrical, mechanical, and control-related system issues.
• Perform preventative maintenance and identify potential equipment failures.
• Read and interpret wiring diagrams, schematics, and technical documentation.
• Communicate findings and repair recommendations professionally with customers.
• Support other technicians with complex diagnostics when needed.

Skills

Commercial HVAC

Large commercial environments

Diagnostic and troubleshooting

Rooftop equipment

Electrical troubleshooting

Independent diagnostics

EPA Universal Certification

Driver's license

Job description

HTS Engineering Ltd. is seeking an experienced HVAC Technician to diagnose, service, and repair large commercial systems in Dallas, TX.

You will handle complex service calls from diagnosis through repair, troubleshoot electrical and control issues, and read wiring diagrams to support customers and teammates. The role requires 5+ years of commercial HVAC experience, EPA Universal Certification, and a valid driver’s license.