Posted August 28, 2026
HVAC Service Tech
CoolSys
Glenview Nas, Illinois 60026, United States
Full-Time
72000.00 - 98000.00
Reference: 3162811528
CoolSys is seeking an experienced HVAC Service Technician to install, troubleshoot, and repair commercial and industrial HVAC-R systems. In this field-based role, you'll perform diagnostics, preventive maintenance, and emergency service while ensuring safety, efficiency, and reliability for our customers. You'll interpret schematics, complete accurate service documentation, and communicate clearly with clients. At CoolSys, you'll work within a safety-first, team-oriented culture with access to ongoing technical training, advanced tools, and opportunities for career growth and specialization in energy-efficient solutions.
Responsibilities
- Install, troubleshoot, and repair commercial and industrial HVAC-R systems
- Perform diagnostics and preventive maintenance on mechanical and refrigeration equipment
- Interpret technical manuals, blueprints, and wiring schematics to resolve issues
- Ensure all work meets safety, code, and company quality standards
- Respond to emergency service calls and minimize customer downtime
- Document work performed, parts used, and recommendations in service reports
- Communicate clearly with customers about findings, repairs, and maintenance needs
- Collaborate with team members and supervisors to complete complex projects
- Maintain tools, vehicles, and equipment in safe working condition
- Participate in ongoing technical and safety training offered by Cool
- Sys
Required Skills
- Commercial HVAC service
- Refrigeration systems troubleshooting
- Electrical diagnostics
- Mechanical repair
- Reading blueprints and schematics
- Brazing and soldering
- Preventive maintenance
- Use of HVAC diagnostic tools
- Safety and OSHA compliance
- Customer service documentation
