MARIO A. ESTRELLA
Reading,PA
Summary
Experienced HVAC and Refrigeration Technician with a strong background in electrical systems, commercial HVAC maintenance, and refrigeration repair. Proven ability to diagnose, repair, and maintain complex systems while delivering reliable, high-quality service. Dependable team player willing to relocate and available immediately.
Professional focused on HVAC systems with experience in installation, maintenance, and repair. Strong technical skills in diagnostics, troubleshooting, and system optimization. Team player who adapts to changing environments and prioritizes achieving results. Reliable and driven to ensure efficient and high-quality outcomes in all tasks.
Overview
25
25
years of professional experience
1
1
Certification
Work History
HVAC Technician
Miami Beach Convention Center
07.2007 - 05.2012
- - Tested electrical circuits and components using industry-standard testing equipment.
- - Diagnosed and repaired air conditioning and refrigeration systems in a large commercial facility.
- - Installed and connected electrical wiring according to schematics and wiring diagrams.
- - Inspected and tested systems to ensure compliance with plans and specifications.
- - Identified malfunctions and performed corrective repairs to minimize downtime.
Refrigeration Mechanic
A/C Refrigeration
01.2003 - 02.2005
- - Tested system operation using gauges and diagnostic instruments.
- - Charged systems with proper refrigerants and adjusted valves to specifications.
- - Performed leak detection on lines, components, and connections.
- - Disassembled systems and tested electrical, mechanical, and pneumatic components.
- - Repaired or replaced defective parts and soldered joints to restore system integrity.
Skills
- HVAC system installation & repair
- Refrigeration systems & leak detection
- Electrical troubleshooting & wiring
- Preventive maintenance & inspections
- Use of gauges, meters, and testing equipment
- Blueprint & wiring diagram interpretation
- Commercial facilities maintenance
- Customer service & teamwork
- System troubleshooting
- Leak checks
- Electrical wiring
- Technical troubleshooting
- HVAC and refrigeration systems
- Certified HVAC technician
- EPA regulations
- HVAC system design
- Chiller systems
- Ventilation systems
- Team player
- Customer service
- Preventive Maintenance
- HVAC installation and maintenance
- Wiring installation
- Electrical repairs
- Electrical installation
- Electrical troubleshooting
- AC/DC control circuitry
- Diagnostic testing
Certification
Air Conditioning & Refrigeration Certification – State of Florida (Completed June 2005)
HONORS & ACTIVITIES
Multiple awards in speech, debate, and journalism (high school & college), Member, College Photography Club
ADDITIONAL INFORMATION
- Willing to relocate
- Available to start immediately
- Strong communication skills
Languages
English
Full Professional
Spanish
Native or Bilingual
Timeline
HVAC Technician - Miami Beach Convention Center
07.2007 - 05.2012
Refrigeration Mechanic - A/C Refrigeration
01.2003 - 02.2005