Summary
Overview
Work History
Education
Skills
Certification
Languages
Custom
Timeline
Generic
Onay Villafana

Onay Villafana

Miami,FL

Summary

Dedicated and meticulous Refrigeration Technician with many years' experience performing detailed repair work while prioritizing and completing multiple tasks to achieve project goals. Flexible and focused team player with expertise in time management, troubleshooting, preventive maintenance and equipment operations.

Overview

24
24
years of professional experience
1
1
Certification

Work History

Refrigeration and Air Conditioning Technician

Air Tech
Miami, FL
09.2023 - Current
  • Provided technical advice regarding potential upgrades of current HVAC installations.
  • Diagnosed and repaired malfunctions in residential and commercial refrigeration systems.
  • Ensured compliance with all local codes during installation activities.
  • Assisted customers with troubleshooting issues related to their HVAC systems over the phone or via email.
  • Adjusted system controls to regulate temperature levels according to customer specifications.
  • Repaired or replaced defective parts such as capacitors, contactors and relays.
  • Calibrated system components to maximize energy efficiency while maintaining optimal comfort levels.
  • Performed preventive maintenance on air conditioning units including changing filters and cleaning coils.
  • Tested electrical circuits to ensure proper functioning of motors, switches, thermostats and safety controls.
  • Programmed automated control systems for efficient operation of HVAC units.
  • Created detailed reports with findings from inspection and repair activities.
  • Analyzed operating costs of existing HVAC installations to identify areas needing improvement.
  • Replaced faulty wiring for thermostats, electric heat strips and other electrical components of HVAC systems.
  • Operated soldering equipment to seal joints between pipes in refrigeration systems.
  • Inspected ductwork for air leaks or blockages that could affect airflow performance.
  • Installed compressors, evaporators, condensers, receivers, expansion valves and other components of HVAC systems.
  • Sustained safety protocol, ensuring proper, cost-effective and safe handling equipment and material usage while adhering to regulatory standards and building codes.
  • Maintained and repaired electrical and pneumatic controls, HVAC equipment and systems and auxiliary equipment.
  • Read and understood schematics in order to work on specific models.
  • Diagnosed equipment malfunctions.
  • Performed troubleshooting and specific diagnostic tests to diagnose malfunctions.
  • Mounted compressors, condensers and other components in specified locations using hand tools and various welding equipment.

Refrigeration and Air Conditioning Technician

Kyzar AC Repair
West Palm Beach, FL
04.2023 - 09.2023
  • Provided technical advice regarding potential upgrades of current HVAC installations.
  • Diagnosed and repaired malfunctions in residential and commercial refrigeration systems.
  • Maintained accurate records of service calls for future reference purposes.
  • Ensured compliance with all local codes during installation activities.
  • Assisted customers with troubleshooting issues related to their HVAC systems over the phone or via email.
  • Adjusted system controls to regulate temperature levels according to customer specifications.
  • Repaired or replaced defective parts such as capacitors, contactors and relays.
  • Calibrated system components to maximize energy efficiency while maintaining optimal comfort levels.
  • Performed preventive maintenance on air conditioning units including changing filters and cleaning coils.
  • Analyzed operating costs of existing HVAC installations to identify areas needing improvement.
  • Tested electrical circuits to ensure proper functioning of motors, switches, thermostats and safety controls.
  • Programmed automated control systems for efficient operation of HVAC units.
  • Created detailed reports with findings from inspection and repair activities.
  • Installed new heating and cooling systems following blueprints or installation guidelines.
  • Replaced faulty wiring for thermostats, electric heat strips and other electrical components of HVAC systems.
  • Operated soldering equipment to seal joints between pipes in refrigeration systems.
  • Inspected ductwork for air leaks or blockages that could affect airflow performance.
  • Installed compressors, evaporators, condensers, receivers, expansion valves and other components of HVAC systems.
  • Sustained safety protocol, ensuring proper, cost-effective and safe handling equipment and material usage while adhering to regulatory standards and building codes.
  • Maintained and repaired electrical and pneumatic controls, HVAC equipment and systems and auxiliary equipment.
  • Read and understood schematics in order to work on specific models.
  • Diagnosed equipment malfunctions.
  • Performed troubleshooting and specific diagnostic tests to diagnose malfunctions.
  • Completed repairs, scheduled, and predictive maintenance on different equipment and systems.
  • Uncovered and corrected leaks with individual units and full refrigeration systems.
  • Put in new gas lines, wiring and other support components for HVAC systems.
  • Tested equipment following each install to determine efficiency and proper functionality.
  • Mounted compressors, condensers and other components in specified locations using hand tools and various welding equipment.

Refrigeration and Air Conditioning Technician

Lander A/C
West Palm Beach, FL
09.2022 - 04.2023
  • Adjusted and repaired systems to meet manufacturers' performance specifications.
  • Assessed system operations to identify potential areas requiring maintenance services.
  • Provided technical advice regarding potential upgrades of current HVAC installations.
  • Diagnosed and repaired malfunctions in residential and commercial refrigeration systems.
  • Ensured compliance with all local codes during installation activities.
  • Adjusted system controls to regulate temperature levels according to customer specifications.
  • Repaired or replaced defective parts such as capacitors, contactors and relays.
  • Calibrated system components to maximize energy efficiency while maintaining optimal comfort levels.
  • Performed preventive maintenance on air conditioning units including changing filters and cleaning coils.
  • Analyzed operating costs of existing HVAC installations to identify areas needing improvement.
  • Tested electrical circuits to ensure proper functioning of motors, switches, thermostats and safety controls.
  • Programmed automated control systems for efficient operation of HVAC units.
  • Created detailed reports with findings from inspection and repair activities.
  • Installed new heating and cooling systems following blueprints or installation guidelines.
  • Replaced faulty wiring for thermostats, electric heat strips and other electrical components of HVAC systems.
  • Operated soldering equipment to seal joints between pipes in refrigeration systems.

Refrigeration and Air Conditioning Technician

Self Employed
Sancti Spiritus, Cuba
01.2017 - 04.2022
  • Diagnosed and repaired malfunctions in residential and commercial refrigeration systems.
  • Maintained accurate records of service calls for future reference purposes.
  • Assisted customers with troubleshooting issues related to their HVAC systems over the phone or via email.
  • Adjusted system controls to regulate temperature levels according to customer specifications.
  • Repaired or replaced defective parts such as capacitors, contactors and relays.
  • Performed preventive maintenance on air conditioning units including changing filters and cleaning coils.
  • Analyzed operating costs of existing HVAC installations to identify areas needing improvement.
  • Tested electrical circuits to ensure proper functioning of motors, switches, thermostats and safety controls.
  • Programmed automated control systems for efficient operation of HVAC units.
  • Created detailed reports with findings from inspection and repair activities.
  • Replaced faulty wiring for thermostats, electric heat strips and other electrical components of HVAC systems.
  • Operated soldering equipment to seal joints between pipes in refrigeration systems.
  • Inspected ductwork for air leaks or blockages that could affect airflow performance.
  • Maintained and repaired electrical and pneumatic controls, HVAC equipment and systems and auxiliary equipment.
  • Diagnosed equipment malfunctions.
  • Delivered refrigeration units and full trailers to customers.
  • Completed repairs, scheduled, and predictive maintenance on different equipment and systems.

Refrigeration and Air Conditioning Technician

Sepsa
‘Aiea, Cuba
03.2013 - 12.2016
  • Provided technical advice regarding potential upgrades of current HVAC installations.
  • Ensured compliance with all local codes during installation activities.
  • Assisted customers with troubleshooting issues related to their HVAC systems over the phone or via email.
  • Adjusted system controls to regulate temperature levels according to customer specifications.
  • Repaired or replaced defective parts such as capacitors, contactors and relays.
  • Calibrated system components to maximize energy efficiency while maintaining optimal comfort levels.
  • Performed preventive maintenance on air conditioning units including changing filters and cleaning coils.
  • Analyzed operating costs of existing HVAC installations to identify areas needing improvement.
  • Tested electrical circuits to ensure proper functioning of motors, switches, thermostats and safety controls.
  • Programmed automated control systems for efficient operation of HVAC units.
  • Created detailed reports with findings from inspection and repair activities.

Refrigeration and Air Conditioning Technician

Cimex Corporation
Sancti Spiritus , Cuba
07.2006 - 02.2013
  • Provided technical advice regarding potential upgrades of current HVAC installations.
  • Adjusted system controls to regulate temperature levels according to customer specifications.
  • Calibrated system components to maximize energy efficiency while maintaining optimal comfort levels.
  • Performed preventive maintenance on air conditioning units including changing filters and cleaning coils.
  • Analyzed operating costs of existing HVAC installations to identify areas needing improvement.
  • Programmed automated control systems for efficient operation of HVAC units.
  • Tested electrical circuits to ensure proper functioning of motors, switches, thermostats and safety controls.
  • Installed new heating and cooling systems following blueprints or installation guidelines.
  • Operated soldering equipment to seal joints between pipes in refrigeration systems.
  • Inspected ductwork for air leaks or blockages that could affect airflow performance.
  • Installed compressors, evaporators, condensers, receivers, expansion valves and other components of HVAC systems.

Refrigeration and Air Conditioning Technician

Industria Pesquera
Sancti Spiritus, Cuba
08.2000 - 06.2006
  • Provided technical advice regarding potential upgrades of current HVAC installations.
  • Ensured compliance with all local codes during installation activities.
  • Adjusted system controls to regulate temperature levels according to customer specifications.
  • Calibrated system components to maximize energy efficiency while maintaining optimal comfort levels.
  • Performed preventive maintenance on air conditioning units including changing filters and cleaning coils.
  • Analyzed operating costs of existing HVAC installations to identify areas needing improvement.
  • Programmed automated control systems for efficient operation of HVAC units.
  • Created detailed reports with findings from inspection and repair activities.
  • Adjusted and repaired systems to meet manufacturers' performance specifications.
  • Assessed system operations to identify potential areas requiring maintenance services.
  • Planned work procedures using charts, technical manuals and experience.
  • Led teams to complete large installation projects on time and within specific parameters outlined in customer documentation.
  • Repaired parts by using technical knowledge, special tools and soldering skills.
  • Completed basic repairs such as changing belts, servicing fans and motors and cleaning coils, strainers and filters to optimize equipment performance.

Education

GED -

Instituto Politecnico Lazaro Cardenas Del Rio
Cuba
07-2000

Skills

  • Equipment Installation
  • Ventilation Systems
  • Insulation Installation
  • Schematic reading
  • Filter Replacement
  • System diagnostics
  • Leak detection
  • Electrical Wiring
  • Scheduled Maintenance
  • Equipment Operation
  • Diagnostic Testing
  • Mechanical Aptitude
  • Mechanical skills
  • Troubleshooting
  • Electrical diagnostics

Certification

  • ESCO Institute
  • Certificate No. 1312661372110

Languages

Spanish
Full Professional

Custom

References available upon request.

Timeline

Refrigeration and Air Conditioning Technician

Air Tech
09.2023 - Current

Refrigeration and Air Conditioning Technician

Kyzar AC Repair
04.2023 - 09.2023

Refrigeration and Air Conditioning Technician

Lander A/C
09.2022 - 04.2023

Refrigeration and Air Conditioning Technician

Self Employed
01.2017 - 04.2022

Refrigeration and Air Conditioning Technician

Sepsa
03.2013 - 12.2016

Refrigeration and Air Conditioning Technician

Cimex Corporation
07.2006 - 02.2013

Refrigeration and Air Conditioning Technician

Industria Pesquera
08.2000 - 06.2006

GED -

Instituto Politecnico Lazaro Cardenas Del Rio

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Onay Villafana