Senior Commercial HVAC Diagnostic Specialist

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

Job summary

HTS Engineering Ltd. in Houston specializes in diagnosing, servicing, and repairing large commercial HVAC systems across diverse facilities. The role emphasizes independent diagnostics, hands-on repair, and preventative maintenance on rooftop and packaged units.

You will read wiring diagrams and communicate findings clearly to customers. Ideal candidates hold EPA Universal Certification, a valid driver’s license, and have extensive experience with large commercial systems and electrical

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

HVAC troubleshooting

Commercial service

Electrical troubleshooting

Reading schematics

Customer communication

Diagnostics independence

Education

EPA Universal Certification

Job description

HTS Engineering Ltd. in Houston specializes in diagnosing, servicing, and repairing large commercial HVAC systems across diverse facilities. The role emphasizes independent diagnostics, hands-on repair, and preventative maintenance on rooftop and packaged units.

You will read wiring diagrams and communicate findings clearly to customers. Ideal candidates hold EPA Universal Certification, a valid driver’s license, and have extensive experience with large commercial systems and electrical