HVAC Service Technician I

Jennings Air and Mechanical

North Charleston (SC)

On-site

USD 40,000 - 55,000

Full time

7 days ago

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Benefits offered by this job

Company truck

Phone & iPad

Medical benefits

Disability & life insurance

Paid holidays

401(k) with match

Ongoing training

Job summary

Jennings Mechanical is hiring an HVAC Service Technician I in Charleston, SC. You will learn through hands-on work on a wide range of commercial HVAC systems, supported by senior technicians and the Service Manager.

This role emphasizes troubleshooting, electrical and mechanical skills, and customer service. You’ll gain experience from startups, commissioning, preventive maintenance, and repair while maintaining safety standards.

Qualifications

High school diploma or GED required.
EPA Section 608 Certification required.
Valid driver’s license with clean record.
Mechanical aptitude and eagerness to learn HVAC trade.
Ability to safely use hand and power tools.
Good communication skills and teamwork.

Responsibilities

Assist with equipment startups and commissioning of HVAC systems.
Diagnose and troubleshoot commercial HVAC equipment.
Perform preventative maintenance on customer equipment.
Complete warranty repairs and punch list work.
Replace common HVAC components and assist experienced technicians.
Document work clearly in service reports.
Collaborate with Project Managers and Service Technicians.

Skills

Mechanical aptitude

Strong communication

Autonomous work

Team collaboration

Education

High school diploma or GED

EPA Section 608 Certification

Tools

Hand & power tools

Mobile service software

Job description

HVAC Service Technician I

Department: Service
Reports To: Service Manager

Build Your HVAC Career with Jennings Mechanical

Are you starting your career in HVAC and looking for a place where you can learn, get your hands dirty, and build real skills?

Jennings Mechanical is looking for an HVAC Service Technician I to join our growing Service Department. This is an opportunity to learn from experienced technicians while working on a wide variety of commercial HVAC systems and equipment.

You’ll have the opportunity to develop your troubleshooting, electrical, mechanical, and customer service skills through hands‑on experience, training, and support from our Service Manager and experienced technicians.

You’ll work alongside our project and service teams to help get newly installed equipment up and running, keep existing systems operating properly, and solve problems when things don’t go as planned.

If you’re mechanically minded, curious about how things work, and ready to build a career in the HVAC trade, we’d like to meet you.

What You’ll Learn & Do

As an HVAC Service Technician I, you’ll build your skills through a combination of hands‑on work, training, and working alongside experienced technicians.

You’ll have the opportunity to:

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.

What We’re Looking For

You don’t need to be an expert. We’re looking for someone with the right attitude and the desire to learn.

Required

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.

Experience That Will Help You Get Started

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.

If you don’t check every box but you’re motivated to learn and build a career in HVAC, we still want to hear from you.

What You’ll Gain

At Jennings Mechanical, we’re not just looking for someone to fill a truck. We’re looking for people we can invest in and develop.

In this role, you’ll gain:

Hands‑on experience with a variety of commercial HVAC systems.
Mentorship from experienced HVAC professionals.
Exposure to equipment startups, commissioning, preventative maintenance, troubleshooting, and repair.
Training to strengthen your mechanical, electrical, and controls knowledge.
Experience working directly with customers and project teams.
A path to grow into more advanced Service Technician roles.

Why Jennings Mechanical?

We are a growing mechanical contractor serving the Charleston and surrounding markets. Our Service team plays an important role in keeping our customers’ businesses running — and we’re building a team of technicians who want to grow with us.

You’ll have the tools and resources you need to do your job, including: