HVAC Service Technician

Comfort Systems USA Ohio; Columbus (OH); On-site; USD 60,000 - 85,000; Full time

Job summary

Comfort Systems USA – Ohio in Columbus seeks an experienced Commercial HVAC Service Technician to troubleshoot, repair, and maintain a range of commercial systems. You’ll service RTUs, AHUs, heat pumps, boilers, and more, reading wiring diagrams and diagnosing complex issues.

Travel is required in a company vehicle, and you’ll mentor newer technicians while ensuring safety and quality. The ideal candidate has solid HVAC hands-on experience, strong troubleshooting skills, and EPA refrigerant

Qualifications

• Solid hands-on commercial HVAC service experience.
• Ability to read wiring diagrams and schematics.
• Experience with HVAC electrical, refrigeration, mechanical, and control systems.
• EPA refrigerant certification required.
• Valid driver’s license and safe driving record.

Responsibilities

• Troubleshooting, repairing, and maintaining commercial HVAC systems.
• Working on RTUs, AHUs, heat pumps, boilers, split systems, pumps, motors, and commercial cooling equipment.
• Diagnosing mechanical, electrical, refrigeration, airflow, and controls issues.
• Performing preventive maintenance, repairs, startups, and system testing.
• Talking with customers about findings and recommendations.
• Helping less-experienced technicians when they need another set of eyes.
• Traveling to customer locations in a company-provided service vehicle.

Skills

Commercial HVAC service experience

Troubleshooting

Read wiring diagrams & schematics

Driver's license

Education

EPA refrigerant certification

Tools

HVAC electrical systems

HVAC controls & building automation

Job description

HVAC Service Technician# OHIO## HVAC Service TechnicianApply: Columbus, OH (CSUSA-OH): Full time: Posted 2 Days Ago: End Date: November 6, 2026 (5 days left to apply): JR108876# **Commercial HVAC Service Technician** **You know your way around commercial HVAC equipment, and when something isn’t working right, you know how to figure out why.** We’re looking for an experienced **Commercial HVAC Service Technician** to join Comfort Systems USA Ohio. If you enjoy troubleshooting challenging service calls, working independently, and taking pride in getting the job done right, this could be a great fit.## ## **What You’ll Be Doing*** Troubleshooting, repairing, and maintaining commercial HVAC systems* Working on **RTUs, AHUs, heat pumps, boilers, split systems, pumps, motors, and commercial cooling equipment*** Diagnosing mechanical, electrical, refrigeration, airflow, and controls issues* Performing preventive maintenance, repairs, startups, and system testing* Talking with customers about what you found and what you recommend* Helping less-experienced technicians when they need another set of eyes* Traveling to customer locations in a company-provided service vehicle ## **What We’re Looking For*** Solid hands-on **commercial HVAC service experience*** Strong troubleshooting skills and confidence working independently* Experience with HVAC electrical, refrigeration, mechanical, and control systems* Ability to read wiring diagrams and schematics* Familiarity with HVAC controls and building automation systems* EPA refrigerant certification* Valid driver’s license* A strong commitment to safety, quality work, and taking care of customers ## **Sound Like You?** If you’re an experienced commercial HVAC technician who enjoys solving problems, working with your hands, and being trusted to do your job well, **we’d like to talk with you.** **Apply today and see what’s next with Comfort Systems USA Ohio.**### About UsAt Comfort Systems USA – Ohio, we know our success starts with our people. We are a team of skilled professionals who take pride in working safely, supporting each other, and delivering high-quality mechanical, HVAC, and building automation solutions to our customers. We are committed to hiring individuals who want more than just a job — we want people who are looking for long-term careers, opportunities to learn new skills, and the ability to grow within our company and the HVAC industry. Whether you are experienced in the trades, engineering, sales, or operations, we provide opportunities to develop your career and be part of a strong, team-oriented culture. If you are looking for a company that values hard work, career growth, safety, and teamwork, Comfort Systems USA – Ohio is the place for you. Explore our open positions and start building your future with us.