FRANCISCO RUIZ
Fresno
Summary
EPA Universal (Section 608) Certified HVAC/R Service Technician with over two years of hands-on experience servicing commercial, light commercial, and residential HVAC and refrigeration systems. Skilled in diagnosing electrical and mechanical failures, performing preventive maintenance, servicing rooftop units (RTUS), package units, split systems, heat pumps, commercial refrigeration equipment, walk-in coolers, freezers, and ice machines. Experienced in refrigerant recovery, evacuation, leak detection, system charging, airflow diagnostics, and electrical troubleshooting. OSHA 30 Certified, bilingual in English and Spanish, and committed to safe, high-quality workmanship and exceptional customer service.
Overview
1
1
Certification
3
3
years of professional experience
Work History
HVAC Service Technician
JUST AIR HEATING & COOLING
Fresno
04.2025 - Current
- Diagnose, repair, and maintain residential and light commercial HVAC systems, including split systems, package units, and heat pumps.
- Perform refrigerant recovery, leak detection, evacuation, charging, and system performance testing.
- Replace compressors, blower motors, condenser fan motors, capacitors, contactors, transformers, relays, thermostats, and electrical components.
- Troubleshoot electrical and refrigeration issues.
- Completed preventative maintenance inspections, enhancing equipment reliability and efficiency.
- Educated homeowners on repair options and equipment operation, fostering informed decision-making.
HVAC Technician
BALANCED COMFORT
Fresno
06.2024 - 10.2024
- Executed preventive maintenance on residential and commercial HVAC systems to enhance system reliability.
- Diagnosed electrical and mechanical failures.
- Supported equipment replacements and service repairs to minimize downtime for clients.
- Provided professional customer service, ensuring customer satisfaction through quality workmanship.
Commercial HVAC/R Technician
D&L HEATING & COOLING
Fresno
01.2024 - 06.2024
- Installed, serviced, and repaired commercial and residential HVAC and refrigeration systems in restaurants, retail facilities, warehouses, offices, and other commercial buildings.
- Performed scheduled maintenance on rooftop units (RTUS), package units, split systems, commercial refrigeration equipment, and make-up air units.
- Serviced walk-in coolers, freezers, reach-in refrigeration systems, and ice machines to ensure optimal performance and compliance with safety standards.
- Repaired and replaced compressors, motors, belts, bearings, capacitors, contactors, relays, transformers, and electrical controls.
- Worked safely on rooftops and active commercial job sites while following OSHA safety requirements.
- Collaborated with senior technicians on service calls and equipment change-outs to enhance installation processes and improve system reliability.
Education
HVAC/R Certification Program -
San Joaquin Valley College
High School Diploma -
Watsonville High School
Skills
COMMERCIAL/RESIDENTIAL HVAC
- Rooftop Units (RTUs)
- Package Units
- Split Systems
- Heat Pumps
- Commercial Exhaust Systems
COMMERCIAL REFRIGERATION
- Walk-In Coolers and Freezers
- Reach-In Refrigeration
- Ice Machines
DIAGNOSTICS
- Electrical Troubleshooting
- Refrigerant Diagnostics
- Airflow Diagnostics
- Low Voltage Controls
- Wiring Diagrams
- Leak Detection
EQUIPMENT
- Compressors
- Blower Motors
- Condenser Fan Motors
- Capacitors
- Contactors
- Relays
- Transformers
- Thermostats
SERVICE
- Preventive Maintenance
- Refrigerant Recovery
- Refrigerant Charging
- Evacuation Procedures
- Customer Service
- OSHA Safety Practices
Certification
- EPA Universal (Section 608) Certification
- OSHA 30-Hour Construction Safety
- HVAC Certification - San Joaquin Valley College
Languages
- English
- Spanish (Native/Bilingual)
Professional attributes
- Strong mechanical aptitude and advanced problem-solving skills.
- Detail-oriented with a commitment to quality workmanship.
- Reliable, punctual, and safety-focused
- Excellent communication and customer service skills.
- Works effectively both independently and as part of a team.
- Dedicated to continuous professional development and expanding
- Maintains a clean, organized, and professional work environment.
Timeline
HVAC Service Technician
JUST AIR HEATING & COOLING
04.2025 - Current
HVAC Technician
BALANCED COMFORT
06.2024 - 10.2024
Commercial HVAC/R Technician
D&L HEATING & COOLING
01.2024 - 06.2024
HVAC/R Certification Program -
San Joaquin Valley College
High School Diploma -
Watsonville High School