Commercial HVAC Service Technician

About the role

We are seeking an experienced Commercial HVAC Service Technician to join our growing service team in Columbia, SC. The role involves troubleshooting, repairing, and maintaining a wide range of complex commercial HVAC systems while delivering top‑tier customer service.

Key responsibilities

• Diagnose, service, repair, and maintain commercial HVAC equipment including DX systems, packaged water‑cooled units, water‑source heat pumps, CRAC units, and gas‑ or electric heating systems.
• Perform equipment startups, verify proper operation, and monitor performance using gauges, controls, and instrumentation.
• Adjust valves, pumps, and controls to optimize system efficiency and conduct preventative maintenance such as coil cleaning, fan belt replacement, and ductwork cleaning.
• Install electrical wiring, connect HVAC components, and complete startup services for newly installed equipment.
• Maintain accurate service documentation and communicate job status with dispatch throughout the day.
• Provide exceptional customer service while maintaining a professional appearance and clean work environment.

Required profile

• High school diploma, GED, or trade school certification.
• EPA Universal Refrigerant Certification (required).
• Minimum 4 years of commercial HVAC service experience.
• Strong troubleshooting skills on commercial HVAC equipment and controls.
• Excellent communication and customer service abilities.
• Valid driver’s license with an acceptable driving record.
• Willingness to participate in an on‑call rotation for emergency service.

Required skills

• EPA Universal Refrigerant Certification
• Experience with DX systems up to 100 tons
• Packaged water‑cooled air‑conditioning units up to 150 tons
• Water‑source heat pumps
• CRAC units with humidifiers and controls
• Gas‑fired and electric heating systems up to 150 tons
• Pneumatic, electronic, and DDC control systems
• Air handling units and VAV systems
• Electrical wiring installation and HVAC component connections

What we offer

• Competitive hourly pay based on experience ($25–$38/hour)
• Medical, dental, and disability insurance
• 401(k) retirement plan
• Paid vacation and holidays
• Career advancement and ongoing technical training
• Supportive team environment with a strong safety focus