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Commercial HVAC Service Technician

Kelso Industries
Posted 21 hours ago, valid for a month
Location

Hamilton, OH, US

Salary

Competitive

Contract type

Full Time

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Sonic Summary

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  • Kelso Industries is seeking a Senior Commercial HVAC Service Technician with over 5 years of relevant experience in servicing and repairing commercial HVAC systems, particularly Variable Refrigerant Flow (VRF) systems.
  • The position requires a valid HVAC and brazing license, with a Journeyman HVAC license preferred, and a Universal Refrigerant License is mandatory.
  • The role involves performing installations, maintenance, and repairs of HVAC and refrigeration systems, as well as providing exceptional customer service while adhering to safety standards.
  • Candidates must be able to work independently and are expected to be on a rotating on-call schedule to support emergency repairs.
  • Compensation is competitive, and the company emphasizes growth opportunities, a supportive culture, and a commitment to diversity and inclusion.

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

At Kelso Industries, 4,000+ employees across 40+ companies work together to deliver exceptional HVAC, mechanical, plumbing, refrigeration, and electrical solutions nationwide. Join us to grow your career, make an impact, and be part of a team where innovation, excellence, and safety come first.

Recruiter Notice: We respectfully ask external recruiters and staffing agencies not to submit candidates. We only accept direct applications.

Summary:

Four-Star Mechanical is seeking a highly skilled Senior Commercial HVAC Service Technician with extensive experience servicing, troubleshooting, and repairing commercial HVAC equipment, including Variable Refrigerant Flow (VRF) systems. The ideal candidate is a self-driven professional who can work independently, provide exceptional customer service, and maintain the highest safety standards.

Schedule:

  • 8-hour shifts, Monday–Friday

  • Overtime and rotating on-call availability (7-day rotations)

Key Responsibilities:

  • Install, maintain, and repair HVAC and refrigeration systems, including boilers, chillers, fans, pumps, valves, thermostats, and motors

  • Perform routine inspections and preventive maintenance

  • Install, commission, and troubleshoot VRF systems
  • Diagnose and fix mechanical and electrical issues

  • Work with copper tubing and piping, including cutting, threading, testing, and insulating

  • Use hand tools, power tools, and test equipment safely

  • Ensure compliance with safety practices and building codes

  • Read and follow blueprints, diagrams, and work orders

  • Provide excellent customer service and complete billing paperwork

  • Support emergency repairs while on-call

  • Perform other duties as assigned

Qualifications:

  • 5+ years of commercial HVAC, plumbing, or refrigeration experience

  • HVAC and brazing license required

  • Journeyman HVAC license preferred

  • Universal Refrigerant License required

  • Hydronic or plumbing licenses a plus

  • Valid driver’s license and clean driving record

  • Able to be on a rotating on-call schedule

  • Must be able to access and work on active construction sites

Preferred:

  • Basic knowledge of direct digital controls (DDC) and network systems (TCP/IP, RS-485)

Work Environment:

  • Work may be done in an office or on job sites

  • Fieldwork includes exposure to outdoor weather, heights, mechanical parts, and loud noise

  • Must be physically present at job sites as needed

  • Flexibility with hours may be required

Physical Requirements:

  • Standing and walking for extended periods

  • Lifting up to 50 lbs or more

  • Bending, kneeling, crouching, and reaching regularly

  • Occasional desk/computer work

  • Must be able to navigate all areas of job sites

 Why Join Kelso Industries? 

Join us and be part of a team dedicated to creating efficient, sustainable, and high-performance environments that make a lasting impact across the industrial, commercial, and institutional sectors.  

Here you will experience:  

Growth Opportunities: Develop new skills, take on exciting challenges, and advance your career in meaningful ways.  

Company Culture: You’ll thrive in an environment that supports your growth, values your contributions, and makes work fulfilling and enjoyable. 

Impact: Your work directly contributes to meaningful outcomes, allowing you to see the difference you make and feel a sense of purpose every day. 

Competitive Compensation & Benefits: You’ll be rewarded fairly for your contributions while enjoying perks that enhance your financial security, health, and overall well-being. 

 

Kelso Industries celebrates diversity and is committed to creating an inclusive environment for all employees. We do not discriminate in any aspect of employment based on 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 




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