Mark Espinoza
Duncanville
Summary
I bring hands-on HVAC field experience supported by EPA Universal Certification and ongoing collegiate education. A dedicated and motivated technician committed to technical growth, safety compliance, and professional development. Currently seeking to transition into commercial HVAC service to expand diagnostic capabilities and mechanical system expertise.
Experienced HVAC technician with a strong background in diagnosing and repairing residential heating and cooling systems, including gas furnaces, heat pumps, and straight cool systems. Conducted comprehensive system inspections and performed electrical testing to ensure optimal performance and safety. Collaborated with senior technicians to enhance troubleshooting skills while effectively communicating technical findings and repair recommendations to customers. Maintained accurate documentation of inspections and repairs, ensuring all systems were operational before leaving the job site.
Overview
9
9
years of professional experience
2019
2019
years of post-secondary education
1
1
Certification
Work History
HVAC Service Technician
Lex Heating and Air
Plano
02.2025 - Current
- Diagnosed residential HVAC systems including gas furnaces, straight cool, and heat pump systems.
- Performed repairs including capacitor replacement, blower motor service, contactor replacement, and flame sensor cleaning.
- Measured amperage and voltage to verify safe and proper system operation.
- Conducted full system inspections including drain systems, secondary pans, evaporator coils, blower assemblies, and plenums.
- Assisted senior technicians on ride-alongs for advanced troubleshooting and repair procedures.
- Communicated technical findings to customers including pricing, warranty coverage, and recommended repairs.
- Documented formal inspection notes and uploaded jobsite photos for record accuracy.
- Ensured all systems were tested and fully operational prior to leaving jobsite.
Universal EPA Technician
Lindsey Cooper Refrigeration School
Irving
02.2024 - Current
Loader Supervisor
Labatt Food Service
Dallas
01.2022 - Current
- Supervised team of loaders to ensure timely and accurate deliveries.
- Managed inventory control and loading documentation.
- Trained employees on safety procedures and equipment operation.
- Organized daily team workflow and addressed operational errors.
Loader Lead
Labatt Food Service
Dallas
10.2021 - 01.2022
- Assisted in improving team production performance.
- Reported operational incidents to management.
- Supported daily workflow coordination.
Loader Trainer
Labatt Food Service
Dallas
01.2020 - 01.2021
- Conducted hands-on demonstrations for truck loading procedures.
- Developed training materials and provided ongoing performance feedback.
- Built strong working relationships to improve retention and team performance.
Warehouse Loader
Labatt Food Service
Dallas
01.2019 - 01.2020
- Picked and packed orders in fast-paced warehouse environment.
- Operated pallet jack safely to move and load inventory.
- Maintained production deadlines and inventory accuracy.
Concrete Finisher
CCDC
Dallas
01.2017 - 01.2019
- Soothed and finished concrete surfaces including floors and sidewalks.
- Utilized hand tools and equipment safely and efficiently.
Education
Associate's Degree of Science -
Cedar Valley Community College
DallasUniversal EPA Technician -
Lindsey Cooper Refrigeration School
IrvingCedar Hill Collegiate
Cedar Hill, TXSkills
- HVAC diagnostics
- System repairs
- Electrical testing
- System inspections
- Customer communication
- Workflow organization
- Team collaboration
- Documentation accuracy
- Repair recommendations
- System tune up
- Electrical diagnostics
- HVAC system troubleshooting
- System maintenance
Certification
- EPA Certified Type 1
- EPA Certified Type 2
- EPA Certified Type 3
- EPA Universal
Languages
Spanish, Advanced
Timeline
HVAC Service Technician
Lex Heating and Air
02.2025 - Current
Universal EPA Technician
Lindsey Cooper Refrigeration School
02.2024 - Current
Loader Supervisor
Labatt Food Service
01.2022 - Current
Loader Lead
Labatt Food Service
10.2021 - 01.2022
Loader Trainer
Labatt Food Service
01.2020 - 01.2021
Warehouse Loader
Labatt Food Service
01.2019 - 01.2020
Concrete Finisher
CCDC
01.2017 - 01.2019
Associate's Degree of Science -
Cedar Valley Community College
Universal EPA Technician -
Lindsey Cooper Refrigeration School
Cedar Hill Collegiate