Diego Hernandez
Houston
Summary
Dynamic HVAC Technician with extensive experience at Delta 10 Mechanical, skilled in system troubleshooting and customer-focused solutions. Proven ability to enhance equipment longevity through effective maintenance and repair. Adaptable problem solver, proficient in electrical wiring and refrigeration system evacuation, ensuring optimal performance in both residential and commercial settings.
Accomplished HVAC Technician with strong knowledge of and 4+ years experience in equipment start-up and troubleshooting. Collaborates well with co-workers.
Overview
4
4
years of professional experience
1
1
Certification
Work History
HVAC Technician
Delta 10 Mechanical
01.2025 - Current
- Conducted maintenance service on HVAC systems to increase life expectancy of equipment and prevent costly repair work.
- Performed troubleshooting on HVAC systems to determine root cause of issues.
- Maintained boilers, hot water systems, gas heating equipment and small refrigeration equipment.
- Communicate with customers to identify HVAC concerns and provide effective solutions.
- Worked overtime, holidays and weekends to accommodate company needs.
- Inspected and tested refrigeration systems, safety devices and controls to determine proper functionality.
- Repaired and replaced motors, bearings and belts.
- Worked on both home and business units for maintenance, repairs, and new installations.
- Repaired, replaced and serviced both residential and commercial HVAC equipment, components, and wiring.
- Analyzed blueprints and manufacturers' design specifications to determine HVAC equipment configuration and complete proper installation.
- Repaired and maintained residential and commercial heating, air conditioning and refrigeration systems.
- Performed routine maintenance on heating and cooling systems.
- Inspected cooling systems and identified potential problems.
HVAC Technician
Letsos
01.2022 - 01.2025
- Traveled to job sites for both scheduled and emergency appointments.
- Filled out detailed work orders for each job completed.
- Read blueprints, wiring diagrams, piping schemes and engineering specifications to diagnose and repair units.
- Installed supporting components such as fuel lines and wiring to complete systems.
- Assisted in maintenance, repair and installation of ventilation systems.
- Troubleshot and diagnosed issues with HVAC and refrigeration units.
- Installed, connected and adjusted thermostats, humidistats and timers for optimal performance.
- Repaired and replaced faulty motors, blowers, switches and compressor units.
- Conducted maintenance service on HVAC systems to increase life expectancy of equipment and prevent costly repair work.
- Performed troubleshooting on HVAC systems to determine root cause of issues.
HVAC Assistant
Sunwave A/C
04.2022 - 12.2022
- Removed old equipment from customers' homes and cleaned up areas to prepare for new installations.
- Increased longevity of HVAC systems by performing preventive maintenance.
- Set up and tested equipment in customer locations.
- Troubleshot various types of equipment during installation and processes.
- Followed safety protocols on job sites.
- Set up ladders and other access equipment.
- Operated variety of power tools and hand tools.
Education
High School Diploma -
Hanna High School
Brownsville, TXNo Degree - HVAC Service
Southern Careers Institute
TX02-2022
Skills
- Package and split systems
- RS sheets and floor plans
- System troubleshooting
- Customer focused
- Adaptable
- Chillers
- Excellent problem solver
- Electrical wiring
- Maintenance scheduling
- Refrigeration system evacuation
Accomplishments
- Supervised a team of 5 workers during the complete installation of commercial HVAC ducting and equipment.
Certification
EPA 68 Universal
OSHA 10
TDLR
A2L Training
Languages
English
Native or Bilingual
Spanish
Native or Bilingual
Timeline
HVAC Technician
Delta 10 Mechanical
01.2025 - Current
HVAC Assistant
Sunwave A/C
04.2022 - 12.2022
HVAC Technician
Letsos
01.2022 - 01.2025
High School Diploma -
Hanna High School
No Degree - HVAC Service
Southern Careers Institute