Commercial HVAC Service Technician

Four Star Mechanical, LLC.; Hamilton (OH); On-site; USD 70,000 - 90,000; Full time

Benefits offered by this job

Competitive pay based on experience

Medical, Dental, and Vision Insurance

401(k) with Company Match

Paid Time Off (PTO) and Paid Holidays

Company-Provided Vehicle (for qualify…

Ongoing Training and CareerDevelopment

Career Advancement Opportunities

Stable, Year‑Round Employment

Overtime Opportunities

Supportive Team‑Oriented Work Enviro

Job summary

Kelso Industries seeks an experienced Senior Commercial HVAC Service Technician to service, troubleshoot, and repair commercial HVAC and VRF systems. The role demands independent work, strong safety practices, and dedication to customer service.

Responsibilities include maintaining boilers, chillers, fans, pumps, and electrical components, while performing preventative maintenance and on-site diagnostics with on-call duties included.

Qualifications

• 5+ years of commercial HVAC, refrigeration, or plumbing experience.
• HVAC license required.
• Brazing license required.
• Universal EPA Refrigerant Certification required.
• Journeyman HVAC license preferred.
• Hydronic or plumbing licenses are a plus.
• Valid driver's license with a clean driving record.
• Ability to participate in a rotating on-call schedule.
• Ability to work safely on active construction sites.

Responsibilities

• Install, maintain, troubleshoot, and repair commercial HVAC and refrigeration systems.
• Service boilers, chillers, fans, pumps, valves, thermostats, motors, and related equipment.
• Install, commission, and troubleshoot VRF systems.
• Perform preventative maintenance and system inspections.
• Diagnose and repair mechanical and electrical issues.
• Work with copper tubing and piping, including cutting, threading, testing, and insulating.
• Read and interpret blueprints, schematics, and work orders.
• Complete service documentation and billing paperwork accurately.
• Respond to emergency service calls while on-call.
• Follow all safety standards, building codes, and company procedures.
• Provide exceptional customer service to clients.
• Perform additional duties as assigned.

Skills

Troubleshooting

Communication

Customer service

Education

HVAC license

EPA refrigerant certification

Brazing license

Journeyman HVAC license

Hydronic license

Tools

DDC systems familiarity

Networking basics TCP/IP RS-485

Job description

Together We Build – Partnership, Innovation, Excellence, and Safety

Summary

We are seeking an experienced Senior Commercial HVAC Service Technician to join our team. This role is responsible for servicing, troubleshooting, repairing, and maintaining commercial HVAC equipment, including Variable Refrigerant Flow (VRF) systems. The ideal candidate is a self‑motivated professional who can work independently while delivering exceptional customer service and maintaining a strong commitment to safety.

Benefits

• Competitive pay based on experience
• Medical, Dental, and Vision Insurance
• 401(k) with Company Match
• Paid Time Off (PTO) and Paid Holidays
• Company-Provided Vehicle (for qualified technicians)
• Ongoing Training and Career Development Opportunities
• Career Advancement Opportunities
• Stable, Year‑Round Employment
• Overtime Opportunities
• Supportive Team‑Oriented Work Environment

Schedule

• Monday through Friday
• 8‑hour shifts
• Overtime available
• Rotating 7‑day on‑call schedule

Key Responsibilities

• Install, maintain, troubleshoot, and repair commercial HVAC and refrigeration systems
• Service boilers, chillers, fans, pumps, valves, thermostats, motors, and related equipment
• Install, commission, and troubleshoot VRF systems
• Perform preventative maintenance and system inspections
• Diagnose and repair mechanical and electrical issues
• Work with copper tubing and piping, including cutting, threading, testing, and insulating
• Read and interpret blueprints, schematics, and work orders
• Complete service documentation and billing paperwork accurately
• Respond to emergency service calls while on‑call
• Follow all safety standards, building codes, and company procedures
• Provide exceptional customer service to clients
• Perform additional duties as assigned

Qualifications

• 5+ years of commercial HVAC, refrigeration, or plumbing experience
• HVAC license required
• Brazing license required
• Universal EPA Refrigerant Certification required
• Journeyman HVAC license preferred
• Hydronic or plumbing licenses are a plus
• Valid driver's license with a clean driving record
• Ability to participate in a rotating on‑call schedule
• Ability to work safely on active construction sites

Preferred Skills

• Experience with Direct Digital Controls (DDC)
• Basic understanding of network systems, including TCP/IP and RS‑485
• Strong troubleshooting and diagnostic abilities
• Excellent communication and customer service skills

Work Environment

• Work performed in both office and field settings
• Exposure to varying weather conditions, heights, mechanical equipment, and loud environments
• Flexibility to work extended hours as needed
• Regular travel to customer job sites

Physical Requirements

• Stand and walk for extended periods
• Lift and carry 50+ pounds
• Frequently bend, kneel, crouch, and reach
• Ability to access all areas of commercial and industrial job sites

Join Our Team

If you're an experienced HVAC professional looking for a stable career with a growing company that values safety, quality workmanship, and employee development, we'd love to hear from you

Why Join Us?

We're committed to attracting talented individuals who seek a company with a strong foundation of success and an outstanding culture. We proactively provide competitive compensation, comprehensive benefits, and clear pathways for career advancement with autonomy and flexibility in an entrepreneurial environment.

Learn more about us at www.kelso-industries.com

We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate in any aspect of employment on the basis of race, color, religion, national origin, ancestry, gender, sexual orientation, gender identity and/or expression, age, veteran status, disability, or any other characteristic protected by federal, state, or local employment discrimination laws where Kelso does business.