Commercial HVAC Service Tech

Together We Build – Partnership, Innovation, Excellence, and Safety
At Kelso Industries, 5,000+ 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.
Job Summary We're looking for experienced HVAC Journeymen Technicians with deep expertise in a variety of commercial HVAC systems to join our service team. In this role, you'll handle complex diagnostics, repairs, preventative maintenance, and system optimization across large commercial and industrial facilities. The right candidate brings strong technical instincts, a safety-first mindset, and a track record of delivering quality service. We are looking for technicians to support the Houston and San Antonio markets.
Key Responsibilities
Diagnose and repair large tonnage chillers — air-cooled and water-cooled — including centrifugal, screw, and scroll configurations.
Commission and start up chiller and controls systems, optimizing for peak efficiency.
Identify and resolve electrical, mechanical, and controls-related issues.
Conduct scheduled preventative maintenance on chillers, cooling towers, pumps, boilers, and supporting equipment.
Interpret blueprints, wiring diagrams, and control schematics.
Keep accurate, timely documentation of all service work, repairs, and recommendations.
Communicate clearly with customers about system conditions, findings, and next steps.
Adhere to all safety requirements, EPA standards, and internal company policies.
Provide guidance and mentorship to apprentices and junior technicians when applicable.
Required Qualifications
Active TDLR HVAC Journeyman License (Texas).
EPA 608 Universal Certification.
5 or more years of commercial HVAC experience
Open to occasional in-state travel.
Experience with BAS/DDC controls platforms.
Strong electrical troubleshooting capability across both low and high voltage systems.
Comfortable working independently with limited oversight.
Valid Texas driver's license in good standing.
Ability to lift 50 lbs and operate in mechanical rooms, rooftops, and confined spaces.
Preferred Qualifications
Factory certifications or formal training on major chiller manufacturers.
Hands-on controls programming or commissioning background.
Prior experience in hospitals, industrial plants, or large-scale commercial buildings.
What We Offer
Pay based on experience and qualifications up to $42/hr.
Company vehicle, tools, and field technology provided.
Health, dental, vision, and retirement benefits.
PTO and paid company holidays.
Continued training and advancement opportunities.
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 ins