Diego Sanchez Villarreal
Oliver and Sons Services LLC
Greenville,SC
2
Languages
1
Certification
Motivated Entry-Level HVAC/R Technician with a positive learning mindset and a strong desire to build a long-term career in the field. Seeking an opportunity as a residential apprenticeship candidate with hands-on experience in residential and light commercial HVAC services, technical lab training, and field shadowing. Bilingual in English and Spanish, with certifications including EPA Universal, OSHA 10 General Industry Safety and Health, Low GWP Refrigerant Safety, and A2L Refrigerants Safety. Committed to professional growth through safe work practices, technical development, preventative maintenance, system diagnostics, and quality customer service.
Work History
HVAC/R Technician Trainee / Field Experience
- Assisted with residential HVAC/R service calls alongside an experienced technician.
- Shadowed Mr. Harry Oliver on residential and light commercial calls to gain real-world field experience.
- Completed select residential service calls independently.
- Replaced capacitors and assisted with evaporator coil replacements.
- Cleaned condenser and evaporator coils and performed preventative maintenance tasks.
- Supported troubleshooting and repair of HVAC/R equipment.
- Gained hands-on experience with system diagnostics, preventative maintenance routines, and professional customer service.
Education
High School Diploma
- Basic Electricity and Refrigeration
Skills
Residential HVAC/R Service
Light Commercial HVAC Support
Preventive Maintenance
Capacitor Replacement
Evaporator Coil Replacement
Coil Cleaning
System Diagnostics
Refrigeration Fundamentals
Scheme reading
Electrical load testing
Testing Electrical Components Under Load
HVAC cycle analysis
Reading Ladder and Pictorial Schematics
Duct Installation
Bilingual communication
Fluent in English and Spanish
Certification
- EPA Universal Certification
- OSHA 10 General Industry Safety and Health Certification
- Low GWP Refrigerant Safety Certification
- A2L Refrigerants (Mildly Flammable) Certification
- HVAC Excellence Academic Excellence in Electrical
- HVAC Excellence Academic Excellence in Electric Heat
Technical Lab Training
- Wired control circuits on lab equipment.
- Read and interpreted both ladder and pictorial schematics.
- Tested electrical components under load.
- Analyzed heat pump and air conditioning refrigeration cycles on lab equipment.
- Built hands-on troubleshooting experience through classroom labs and applied exercises.
Additional Information
- Valid driver's license
- Reliable transportation
- Available for on-call schedules, overtime, and weekend shifts
- Committed to residential and light commercial HVAC career advancement
Languages
Spanish
Native or Bilingual
English
Native or Bilingual
Timeline
Greenville Technical College
from Basic Electricity and Refrigeration
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HVAC/R Technician Trainee / Field Experience
Oliver and Sons Services LLC
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Carolina Academy High School
High School Diploma
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