Commercial HVAC Service Technician – Class III to Class V
Location:
Charlotte, NC (Travel within Charlotte metro area)

For our established commercial HVAC client in the Charlotte metro area, we’re seeking Service Technicians (Class III, IV, and V) to join a skilled and growing service team. These roles cover a range of advanced technical work—diagnosing, maintaining, and repairing complex commercial HVAC systems, from rooftop package units to large water-cooled chillers and boilers.

Must Have Requirements
(Non-Negotiable)

• 4+ years of commercial/industrial HVAC experience, including DX equipment, chillers, boilers, and VAV systems

• EPA Universal Refrigerant Certification

• Valid driver’s license

• Ability to read and interpret electrical schematics
  and troubleshoot refrigerant systems

• Proficiency with variable frequency drives (VFDs)
  and starters

• Strong safety mindset and ability to work in confined spaces, at heights, and in seasonal temperature extremes

• Capable of climbing ladders, lifting 50+ lbs, and working with PPE

Good to Have Requirements
(Preferred, Not Required)

• HVAC Trade/Technical School certification or degree

• Experience with DDC control systems and
  pneumatic controls

• Large chiller rebuild and rigging experience (Class V)

• Pump rebuild and troubleshooting experience

• Ability to mentor other technicians and provide technical support

Key Responsibilities by Classification

Class III Technician

• Service and troubleshoot
  5–100 ton unitary DX equipment, chilled water air handlers, CRAC units, and pneumatic/DDC controls

• Perform advanced troubleshooting on unitary DX equipment and rooftop packages

• Basic troubleshooting on
  air-cooled chillers
  and water-cooled packaged equipment

• Diagnose refrigerant system and electrical issues

• Basic understanding of
  VFDs
  and
  VAV/PIU equipment

Class IV Technician
(Includes all Class III skills plus)

• Troubleshoot and repair
  air-cooled chillers, pumps, and
  low-pressure boilers

• Maintain and repair cooling towers and diagnose water flow issues

• Proficient with
  VFDs, starters, and low-pressure boiler systems

• Basic understanding of
  water-cooled chillers
  and DDC control systems

Class V Technician
(Includes all Class III & IV skills plus)

• Service and rebuild large
  water-cooled chillers, chilled water systems, and large pumps

• Diagnose and repair large boilers with power burners

• Advanced troubleshooting of
  VAV/PIU air distribution systems

• Perform large-scale chiller rebuilds, rigging, and advanced system diagnostics

• Provide technical support to other technicians

Why Join This Team

• Competitive pay based on classification and performance

• Company vehicle, tablet, uniforms, tools, and PPE provided

• Paid industry training and opportunities for advancement

• Medical, dental, vision, and retirement plan options

• Stable, year-round work with a respected commercial HVAC leader