CHENG CHEN
Queens
Summary
Commercial HVAC/R Technician with strong refrigeration background and hands-on experience supporting HVAC system service, maintenance, and troubleshooting in hospital, pharmaceutical, and commercial environments. Experienced with split systems, RTUs, controls, electrical diagnostics, and preventive maintenance, with a primary specialization in commercial and medical refrigeration systems.
Overview
1
1
Certification
Work History
Refrigeration Technician / PM Supervisor
Regeneron Pharmaceuticals (via CCMS Scientific)
- Assigned and coordinated daily preventive maintenance (PM) tasks for technicians and maintenance staff
- Ensured completion and documented progress of daily PM schedules in compliance with pharmaceutical facility standards
- Performed and supervised preventive maintenance on walk-in coolers, walk-in freezers, and ultra-low temperature (-80C) freezers
- Supported critical laboratory and production refrigeration systems to maintain continuous operations
Refrigeration Technician
CCMS Scientific
- Provided refrigeration service support for major hospital and pharmaceutical clients including NYP, NYU Langone Health, Pfizer, and Regeneron.
- Performed troubleshooting, maintenance, and repair on medical, laboratory, and commercial refrigeration systems
HVAC/R Helper
Conair Group
- Assisted with service, troubleshooting, and preventive maintenance of commercial and residential HVAC systems
- Supported electrical diagnostics, component replacement, and system start-ups under supervision
Education
900-Hour Air Conditioning and Refrigeration Certificate Program -
Apex Technical School
Long Island City, NY10.2023
Skills
- Commercial refrigeration service and preventive maintenance for walk-in coolers, walk-in freezers, reach-in refrigerators/freezers, prep tables, and self-contained equipment
- Ultra-low-temperature (-80C) cascade refrigeration systems for medical, pharmaceutical, and laboratory environments
- Commercial HVAC systems including split systems, RTUs, packaged units, heat pumps, hydronic and gas-fired heating systems
- Refrigeration controls, electrical diagnostics, schematic reading, and system-level troubleshooting
Certification
- EPA Universal Certification
- OSHA 30-Hour Construction Safety and Health
- SST 10-Hour Site Safety Training Card
- FDNY F-60 & G-60
- 900-Hour Air Conditioning and Refrigeration Certification
- Valid Driver’s License
Timeline
HVAC/R Helper
Conair Group
Refrigeration Technician / PM Supervisor
Regeneron Pharmaceuticals (via CCMS Scientific)
Refrigeration Technician
CCMS Scientific
900-Hour Air Conditioning and Refrigeration Certificate Program -
Apex Technical School