Commercial and Industrial HVACR Technician

Duties

• Responsible for the installation, troubleshooting, repair, and preventive maintenance of industrial ammonia (NH₃), commercial refrigeration and commercial air conditioning systems.
• Diagnose mechanical, electrical, and control system issues; perform system start-ups and shutdowns; maintain compressors, pumps, valves, evaporators, condensers, and associated components.
• Ensure compliance with safety standards, PSM/RMP regulations, and company procedures.
• Complete accurate service documentation and communicate clearly with customers and internal teams to keep systems running safely, efficiently, and reliably.

Responsibilities

• Assist with on-call rotation.
• Obtain or maintain RETA CIRO/CARO certification.
• Complete work orders and timecard daily.
• Perform preventive maintenance and system inspections with documentation to ensure reliability and compliance.
• Maintain compliance with PSM, RMP, IIAR, and OSHA safety standards.
• Document service work accurately and complete required reports on time.
• Communicate safety concerns clearly to customers and internal teams.
• Participate in emergency service calls and support plant operations as needed.
• Mentor junior technicians and promote best practices in safety and workmanship.

Requirements

• Good DMV Record.
• Physical/Drug test upon hiring.
• 2+ Years experience.
• EPA Universal Card.
• Experience in Commercial and Industrial Refrigeration & A/C.

About the Role

TDI Refrigeration is an industrial refrigeration and commercial air conditioning company founded in 1999. We build, design, and service industrial refrigeration and commercial air conditioning systems in Southern California, Central California, Phoenix, Denver, and Dallas/Fort Worth area. We believe in doing things better than right, having a strong moral compass, and bringing a generous spirit!