Dannielle Hernandez
Woodland
Summary
Exceptional service results-driven HVAC technician adept at delivering high productivity and completing tasks efficiently.ubleshooting, preventative maintenance, and system installations, ensuring optimal operational functionality. Excel in time management, problem-solving, and customer service, leveraging these skills to provide exceptional support and build lasting client relationships.
Overview
1
1
Certification
Work History
HVAC Technician
All Weather Heating and Air Conditioning
Vacaville
08.2025 - Current
- Followed safety procedures when working on high voltage wiring or gas lines.
- Checked pressure readings on gauges connected to the system in order to diagnose any malfunctions.
- Cleaned evaporator coils, condensate drains and blower wheels to maintain optimal efficiency of the unit.
- Diagnosed and identified faulty components in malfunctioning HVAC systems using specialized testing tools.
- Documented all repair work performed on HVAC units according to company standards.
- Calibrated thermostats, tested capacitors and checked refrigerant levels for proper functioning of the system.
- Performed routine checks on various components of the system such as contactors, relays and solenoids.
- Inspected electrical wiring of existing HVAC systems to identify potential problems and safety hazards.
- Attended seminars and workshops related to advances in HVAC technology for professional development purposes.
- Repaired or replaced defective parts such as compressors, motors, fans and other components in heating and cooling systems.
- Resolved customer complaints regarding installation or service issues in a timely manner.
- Maintained records of all repairs and maintenance activities for future reference purposes.
- Adjusted controls to obtain desired temperature settings within the home or office environment.
- Provided customers with information about new technologies available for their heating and cooling system upgrades.
- Replaced worn out filters at regular intervals to improve air quality inside the premises.
- Performed preventive maintenance on HVAC systems to ensure peak performance and energy efficiency.
- Retained careful and thorough maintenance and repair records in case customers required future service.
- Conducted regular system inspections and preventative maintenance tasks, reducing system downtime and repair costs.
- Responded to customer inquiries and complaints, providing timely and effective solutions to HVAC issues.
- Disassembled units, repaired broken components and restored to operating condition.
- Coordinated with contractors and construction teams on new installations and major repair projects.
- Completed preventive maintenance on heating and air conditioning systems to extend life of such equipment.
- Provided technical support and guidance to clients on the operation and maintenance of their HVAC systems.
- Advised customers on energy-saving measures and upgrades for older HVAC systems to improve efficiency.
- Managed inventory of HVAC parts and supplies, ensuring availability of necessary components for repairs and installations.
- Trained junior technicians on HVAC repair and maintenance techniques, tools, and safety practices.
- Adept at reading blue prints of electrical equipment.
- Diagnosed and repaired faults in HVAC systems, including refrigerant leaks, electrical issues, and mechanical failures.
- Assisted in the selection and sizing of HVAC equipment for new installations, based on detailed load calculations.
- Promptly responded to complaints about temperature problems during massive heatwave and conducted assessments to determine causes and target solutions.
- Performed emergency repairs on HVAC systems to restore heating and cooling services in critical situations.
- Trained and guided employees on correct methods for performing different repairs and maintenance services.
- Adjusted and repaired systems to meet manufacturers' performance specifications.
Education
High School Diploma -
Piner High School
Santa Rosa, CA05-1995
Skills
- Equipment maintenance
- HVAC diagnostics
- Refrigerant handling
- System calibration
- Electrical wiring
- Customer service
- Issue troubleshooting
- Warranty service
- EPA requirements
- Technical troubleshooting
- Team leadership
- Gas furnaces
Certification
- Type 11 EPA Certified
References
References available upon request.
Timeline
HVAC Technician
All Weather Heating and Air Conditioning
08.2025 - Current
High School Diploma -
Piner High School
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