Commercial HVAC Service Technician - Senior Level in Hamilton

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Job DescriptionJob Description

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

Four Star Mechanical is part of Kelso Industries, with 3,500+ employees across 29 operating companies, delivers top HVAC, mechanical, plumbing, refrigeration, and electrical solutions nationwide. Join us to grow your career, make an impact, and be part of a high-performing team. Learn more about us at www.kelso-industries.com

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

Position Overview

We're seeking an experienced Commercial HVAC Service Technician to join our team. In this role, you'll install, maintain, and repair commercial heating, ventilation, and air conditioning systems and related components. You'll ensure high-quality workmanship, promote a safe job site, and deliver excellent customer experiences.

This position works both independently and as part of a professional team, handling a variety of HVAC tasks from installation to troubleshooting.

Schedule

Full-time, Monday–Friday, day shift (8 hours per day)
Overtime may be available based on project workload.

Licenses & Certifications

• Journeyman HVAC License

• EPA Certification a plus

• Valid driver's license and clean driving record required

Key Responsibilities

• Install, maintain, and service commercial HVAC systems and components.

• Cut, thread, and prepare piping using pipe cutters, torches, and threading equipment.

• Fabricate and install sheet metal ductwork and HVAC-related assemblies.

• Mount and secure HVAC units; rough-in and finish duct systems.

• Wire control systems according to schematics and wiring diagrams.

• Test system performance and make necessary adjustments.

• Maintain a clean, organized, and safe work environment.

• Provide exceptional customer service and ensure satisfaction.

• Perform other duties as assigned by leadership.

Qualifications & Skills

• High school diploma or GED required.

• 3–5 years of hands-on HVAC experience, preferably in commercial environments.

• Strong understanding of blueprints, schematics, and technical specifications.

• Demonstrated ability to install, diagnose, and repair HVAC systems.

• Excellent mechanical aptitude and attention to detail.

• Reliable, self-motivated, and able to work independently or collaboratively.

• Professional communication and customer service skills.

• Able to pass background and drug screening requirements.

• Must be capable of lifting up to 100 lbs and working in a variety of weather conditions.

Work Environment

Work is performed in both indoor and outdoor settings, including active construction sites. Conditions may involve:

• Exposure to varying temperatures and humidity

• Working from elevated positions or confined spaces

• Moderate to loud noise levels

Office work may occasionally be required for documentation or meetings. Reasonable accommodations will be made for qualified individuals with disabilities.

Physical Requirements

• Frequent standing, walking, bending, and climbing.

• Ability to lift and carry 50 lbs or more safely.

• Reaching, kneeling, and crouching as needed to complete installations and repairs.

• Extended periods of physical activity in various job site conditions.

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 and are committed to creating an inclusive environment for all employees. We do not discriminate in any aspect of employment on the basis of , , , , ancestry, , , and/or expression, , veteran status, , or any other characteristic protected by federal, state, or local employment discrimination laws where Kelso does business.

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.