Senior Commercial HVAC Technician (On-Call)

HTS Engineering Ltd.; Houston (TX); On-site; USD 60,000 - 90,000; Full time

Job summary

HTS Engineering Ltd. in Houston, TX is seeking an experienced HVAC technician to diagnose, repair, and maintain commercial and industrial systems. You will troubleshoot mechanical and electrical components, read wiring diagrams, and perform preventive maintenance to keep facilities running smoothly.

The role requires 3+ years of hands-on HVAC service, EPA 608 Universal Certification, and a valid driver’s license with a clean record. Massachusetts Journeyman license is a plus but not required.

Qualifications

• 3+ years of hands-on commercial or industrial HVAC service experience.
• EPA 608 Universal Certification required.

Responsibilities

• Diagnose, troubleshoot, maintain, and repair commercial and industrial HVAC equipment, including mechanical and electrical components.
• Perform preventive maintenance to improve system performance, reliability, and efficiency.
• Troubleshoot refrigeration systems, electrical circuits, wiring, and electronic controls using modern diagnostic tools.
• Service commercial HVAC equipment, including systems under 10 tons.
• Respond to service requests, identify technical issues, and deliver effective repairs independently.
• Read and interpret wiring diagrams, schematics, and technical documentation.
• Maintain accurate service records, inspection reports, and field documentation.
• Communicate professionally with customers and deliver outstanding service.
• Participate in a rotating on-call schedule for emergency service requests.
• Follow established safety procedures and maintain high-quality workmanship.

Skills

HVAC service

Diagnostics

Preventive maintenance

Field service

Tools

Diagnostic tools

Job description

HTS Engineering Ltd. in Houston, TX is seeking an experienced HVAC technician to diagnose, repair, and maintain commercial and industrial systems. You will troubleshoot mechanical and electrical components, read wiring diagrams, and perform preventive maintenance to keep facilities running smoothly.

The role requires 3+ years of hands-on HVAC service, EPA 608 Universal Certification, and a valid driver’s license with a clean record. Massachusetts Journeyman license is a plus but not required.