Glenn Arroyo

HVAC-R Service Technician

• Specializing in Installation, Maintenance, Troubleshooting, Compliance, and System Optimization

System Installation & Commissioning

• Installed large-scale HVAC systems including rooftop units (RTUs), chillers, boilers, cooling towers, air handlers, and industrial refrigeration systems.

• Configured automation controls using pneumatic and Direct Digital Control (DDC) systems.

• Calibrated sensors and performed air and water balancing across complex ductwork and piping systems.

Preventive & Predictive Maintenance

• Conducted routine and advanced maintenance to ensure reliability of high-capacity HVAC systems.

• Utilized vibration analysis, infrared thermography, and oil sampling to identify early signs of failure.

• Maintained critical cooling systems for data centers, manufacturing equipment, and other mission-critical applications.

Troubleshooting & Repairs

• Diagnosed and repaired faults in multi-stage compressors, Variable Frequency Drives (VFDs), and PLC-controlled systems.

• Serviced walk-in freezers, blast chillers, and ammonia-based refrigeration systems in industrial environments.

• Handled high-voltage systems, high-pressure refrigerants, and intricate mechanical repairs with safety and precision.

Compliance & Documentation

• Ensured adherence to OSHA, EPA, and local regulations, including EPA Section 608 refrigerant handling standards.

• Maintained thorough documentation of inspections, system benchmarks, and repair histories, especially for regulated industries such as food processing and pharmaceuticals.

System Optimization

• Monitored energy usage via Energy Management Systems (EMS) and identified opportunities for efficiency improvements.

• Recommended and implemented system upgrades including variable-speed motors, heat recovery units, and smart control systems to enhance performance and reduce operational costs.

• Performed routine preventive maintenance to optimize HVAC system performance, including cleaning, lubrication, and replacement of worn components to enhance energy efficiency.

• Diagnosed and repaired system malfunctions involving electrical, mechanical, and refrigeration components, ensuring minimal downtime and reliable operation.

• Conducted thorough inspections to assess system condition, identify potential issues, and recommend proactive solutions to prevent costly breakdowns.

• Performed system testing to verify safe and efficient operation, including evaluation of airflow, refrigerant levels, thermostat calibration, and combustion efficiency.

• Delivered excellent customer service by addressing client concerns, explaining repair and maintenance procedures, and offering expert recommendations for system upgrades or improvements.

• Maintained detailed and accurate documentation of service calls, repairs, maintenance tasks, and equipment specifications for compliance and future reference.

• Collaborated closely with supervisors and management to ensure efficient day-to-day operations and adherence to company standards.

• Promoted and enforced safety and sanitation protocols in alignment with regulatory requirements and company policies.

• Planned and managed daily, weekly, and periodic staffing and production needs to ensure optimal resource allocation.

• Partnered with cross-functional teams to maximize operational efficiency and performance outcomes.

• Supervised and coached team members, conducted performance evaluations, and delivered ongoing feedback to support growth and accountability.

• Trained, mentored, and motivated employees to build a high-performing, safety-focused team culture.