Manuel Gonzalez
Chicago
Summary
Commercial HVAC Service Technician with hands-on experience in RTUs, AHUs, and VAV systems. Skilled in advanced troubleshooting, system diagnostics, and building automation systems (BMS/EMS). Proven ability to reduce downtime, improve system efficiency, and deliver reliable service in commercial environments.
Overview
4
4
years of professional experience
Work History
HVAC-R Service Technician
BGIS
Chicago
12.2022 - Current
- Diagnosed and repaired rooftop units (RTUs) to reduce downtime and improve system efficiency.
- Diagnosed and resolved issues in air handling units (AHUs) and VAV systems, including damper motor failures. airflow imbalances, and control sequence errors.
- Used Building Automation Systems (BMS/EMS) to monitor equipment, adjust setpoints, and detect early-stage ("ghost") faults before failure.
- Performed diagnosis, maintenance, and repair on Hoshizaki and Manitowoc ice machines
- Conducted routine inspections and preventive maintenance on commercial HVAC systems to ensure efficiency and reliability
- Managed service calls, scheduling, and documentation using ServiceTitan
HVAC Technician
Four Seasons Heating & A/c
Chicago
10.2021 - 12.2022
- Diagnosed and repaired electrical and mechanical issues in residential HVAC systems to restore proper operation.
- Used sales skills to improve customer satisfaction and recommend services.
- Performed routine preventive maintenance on heating and cooling systems to ensure efficiency and reliability.
Education
ETI- Willowbrook, IL
Skills
- Advanced HVAC Troubleshooting &
Diagnostics (RTUs, AHUs, VAV Systems) - Commercial HVAC Systems Maintenance & Repair
- Building Automation Systems (BMS/EMS)
Operation & Monitoring - Electrical & Mechanical System Diagnostics
- Preventive & Predictive Maintenance
- VFDs, Actuators, and Damper Systems
- ServiceTitan (Work Orders, Dispatching, Documentation)
- Equipment Installation & Start-Up
- Ice Machines (Hoshizaki & Manitowoc)Service & Repair
Timeline
HVAC-R Service Technician
BGIS
12.2022 - Current
HVAC Technician
Four Seasons Heating & A/c
10.2021 - 12.2022
ETI- Willowbrook, IL