HVAC Service Technician I

Jennings Air and Mechanical•North Charleston, SC
•Onsite

About The Position

Jennings Mechanical is seeking an HVAC Service Technician I to join their Service Department. This role is ideal for individuals starting their HVAC career, offering the chance to learn from experienced technicians while working on various commercial HVAC systems. The technician will develop troubleshooting, electrical, mechanical, and customer service skills through hands-on experience and training, collaborating with project and service teams to ensure equipment startup, proper operation, and problem resolution.

Requirements

  • High school diploma or GED.
  • EPA Section 608 Certification.
  • Valid driver's license with an acceptable driving record.
  • Mechanical aptitude and an interest in learning the HVAC trade.
  • Ability to safely use hand and power tools.
  • Strong communication skills.
  • Dependable, motivated, and willing to learn.
  • Ability to work both independently and as part of a team.

Nice To Haves

  • HVAC technical school or trade program.
  • 1–3 years of HVAC installation or service experience.
  • Experience with commercial HVAC equipment.
  • Basic electrical troubleshooting knowledge.
  • Experience reading equipment manuals, drawings, or wiring diagrams.
  • Experience using mobile work-order or service management software.

Responsibilities

  • Perform equipment startups and assist with commissioning newly installed HVAC systems.
  • Learn how to diagnose and troubleshoot commercial HVAC systems.
  • Perform preventative maintenance on customer equipment.
  • Complete warranty repairs and punch list work on recently completed projects.
  • Replace common HVAC components such as motors, capacitors, contactors, belts, filters, and controls.
  • Assist experienced technicians with more advanced troubleshooting and repairs.
  • Learn to identify mechanical, electrical, and controls-related issues.
  • Respond to customer concerns and help keep their HVAC systems operating reliably.
  • Complete digital service reports and learn how to clearly document your work.
  • Work alongside Project Managers, Superintendents, and experienced Service Technicians.
  • Maintain your company vehicle, tools, and equipment.
  • Follow safe work practices and OSHA requirements.
  • Participate in ongoing technical and safety training.

Benefits

  • Company truck
  • Company phone and iPad
  • Low-cost medical, dental, and vision benefits
  • Company-provided long-term disability and life insurance
  • Paid holidays
  • 401(k) with company matching
  • Ongoing technical and safety training
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