Alfredo Reyes
Las Vegas,NV
Summary
Experienced HVAC Technician with over 7 years of hands-on experience in commercial and industrial HVAC systems, specializing in automation and controls. Strong background in diagnosing, programming, and maintaining HVAC control systems to optimize performance and energy efficiency. Committed to delivering precision, reliability, and customer satisfaction.
Overview
8
8
years of professional experience
Work History
HVAC Automation Technician
Diversified Thermal Services
02.2025 - Current
- Install, troubleshoot, and service HVAC automation systems for commercial clients.
- Work with building automation systems (BAS) to integrate HVAC, lighting, and energy control.
- Assist in programming and calibration of digital controllers, sensors, and thermostats.
- Perform routine and preventive maintenance to ensure optimal performance
- Collaborate with automation specialists to upgrade system efficiency and client satisfaction.
- Implemented process improvements that increased system efficiency and reliability.
HVAC Technician
CE Mechanical
10.2022 - 01.2025
- Troubleshoot and repair mechanical/electrical HVAC systems and automation components.
- Install compressors, evaporators, VFDs, and controllers following technical blueprints.
- Conduct performance diagnostics using testing equipment and automation software.
- Deliver outstanding customer service and act as main point of contact for client projects.
HVAC Technician
Barr Engineering Inc.
02.2019 - 10.2022
- Serviced and optimized HVAC automation and control systems for energy-efficient operations.
- Integrated BAS components and performed troubleshooting for programmable controllers.
- Documented system calibrations, refrigerant usage, and repair actions.
- Maintained service logs and managed maintenance team workflow.
HVAC Technician
DGL Air Conditioning & Heating Inc.
02.2018 - 02.2019
- Performed leak checks, diagnostics, and preventive maintenance on HVAC and refrigeration systems.
- Assisted with installation of smart thermostats and programmable control panels.
- Supported automation techs in troubleshooting digital HVAC systems.
Education
HVAC Apprenticeship -
JJATC HVAC Training Center
San Dimas, CA10-2025
HVAC Certification - undefined
Summit College
Santa Ana, CA01.2018
Skills
- HVAC Automation & Control Systems (BAS/BMS)
- DDC Programming & Troubleshooting
- PLC Logic Understanding
- Sensors, Actuators, and Controllers Calibration
- VFDs, Motors, and Electrical Controls
- Pneumatic and Digital Control Systems
- Blueprint and Schematic Reading
- Refrigeration and Charging Principles
- Piping, Brazing, and Leak Detection
- Preventative & Predictive Maintenance
- Safety, Compliance, and QA Documentation
- Building automation systems
- Preventive maintenance
Timeline
HVAC Automation Technician
Diversified Thermal Services
02.2025 - Current
HVAC Technician
CE Mechanical
10.2022 - 01.2025
HVAC Technician
Barr Engineering Inc.
02.2019 - 10.2022
HVAC Technician
DGL Air Conditioning & Heating Inc.
02.2018 - 02.2019
HVAC Certification - undefined
Summit College
HVAC Apprenticeship -
JJATC HVAC Training Center
HVAC Service & Automation Technician
Dedicated HVAC technician seeking to expand into automation technology and building controls.