More jobs:
HVAC Service Tech
Job in
Buffalo Grove, Lake County, Illinois, 60089, USA
Listed on 2026-08-26
Listing for:
CoolSys
Full Time
position Listed on 2026-08-26
Job specializations:
-
Trades / Skilled Labor
HVAC Tech / Heating Engineer, Maintenance Technician / Mechanic, Installation Technician, Field/Service Technician
Job Description & How to Apply Below
Cool Sys seeks an experienced HVAC Service Tech 4 to troubleshoot, repair, and maintain commercial and industrial HVAC-R systems. In this field-based role, you'll perform diagnostics, preventive maintenance, and start-ups while ensuring safety, code compliance, and peak energy efficiency. Partner with engineers and teammates to solve complex issues, support sustainable, energy-saving solutions, and deliver exceptional customer service. Cool Sys offers ongoing technical training, clear paths for advancement, and the opportunity to work with advanced HVAC-R technologies nationwide.
Responsibilities
- Diagnose, repair, and maintain commercial and industrial HVAC systems and controls
- Perform preventive and predictive maintenance on HVAC-R equipment to maximize uptime and efficiency
- Start up, troubleshoot, and commission new and retrofit HVAC installations
- Use diagnostic tools and software to identify performance issues and optimize system operation
- Document service findings, parts used, and work performed in service management systems
- Follow Cool
- Sys safety standards, codes, and regulations on all job sites
- Collaborate with project managers, engineers, and teammates to resolve complex technical issues
- Provide professional, customer-focused communication and on-site recommendations for system improvements
- Support energy-efficient solutions and upgrades aligned with customer and sustainability goals
- Mentor junior technicians and participate in ongoing technical training
Required Skills
- Commercial HVAC service
- Industrial HVAC systems
- Refrigeration systems
- HVAC diagnostics and troubleshooting
- Preventive and predictive maintenance
- Controls and BAS familiarity
- EPA 608 certification knowledge
- Mechanical and electrical schematics reading
- HVAC tools and test instruments
- Safety and code compliance
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