Senior VRF Service Technician (Commercial HVAC)

HTS Engineering Ltd. is the largest independent commercial HVAC manufacturers’ rep in North America, with 20 locations in the US and Canada. HTS has a vibrant look and brand promise -- one that reflects our company-wide commitment to ensure the individual success of all those involved in a project’s HVAC system selection, design, purchase, installation and maintenance including our employees, suppliers, customers and end users.


Job Summary
We are seeking an experienced VRF Service Technician to join our growing commercial HVAC team. This position is responsible for the startup, commissioning, troubleshooting, maintenance, and repair of Variable Refrigerant Flow (VRF) systems in commercial and institutional facilities.
The ideal candidate has hands-on experience with major VRF manufacturers such as Daikin, Mitsubishi, LG, Samsung, Fujitsu, or Toshiba and possesses strong diagnostic and customer service skills.

Key Responsibilities
• Diagnose, troubleshoot, repair, and maintain commercial VRF systems.
• Perform startup, commissioning, and functional testing of newly installed VRF equipment.
• Conduct preventative maintenance on VRF and related HVAC systems.
• Interpret wiring diagrams, control schematics, refrigerant piping layouts, and technical documentation.
• Utilize manufacturer software and diagnostic tools to identify and resolve system faults.
• Troubleshoot communication networks, control devices, sensors, and inverter-driven equipment.
• Verify proper refrigerant charging, airflow, controls operation, and system performance.
• Document service activities, equipment conditions, and recommended repairs.
• Coordinate with project managers, service managers, and customers to ensure successful project completion.
• Maintain company vehicle, tools, and equipment in a professional manner.
• Follow all company safety policies and procedures.

Required Qualifications
• 3+ years of commercial HVAC service experience.
• 2+ years of VRF service and troubleshooting experience preferred.
• EPA Universal Certification.
• Valid driver's license and acceptable driving record.
• Strong electrical and refrigeration troubleshooting skills.
• Ability to read electrical schematics and mechanical drawings.
• Excellent communication and customer service skills.
• Ability to work independently in the field.


HTS provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by laws.