Marco Tadena

-10 plus years of experience in mechanical parts systems, customer service, inventory management and technical support. -HVACR graduate with EPA universal certification -Entry level HVAC installer or service technician position where strong mechanical aptitude, reliability, and hands on training can contribute immediatly.

HVAC Service Technician - Ultra Heating and Cooling - Las Vegas, Nevada

(2026-08)

• Work with home warranty companies to perform routine preventative maintenance and inspections on residential HVAC systems.
• Diagnose, troubleshoot, and identify mechanical, electrical, and refrigeration related issues.
• Perform necessary repairs and replace defective components to restore proper system operation.
• Inspect HVAC equipment, including condensers, evaporator coils, blower motors, capacitors, contactors, electrical connections, and condensate drainage systems.
• Take detailed photographs of equipment, system conditions, and completed repairs for documentation and warranty records.
• Complete service reports, repair orders, and maintenance documentation accurately.
• Verify proper system operation and performance after completing repairs.
• Communicate findings, explain recommended repairs, and provide customers with recommendations.
• Collect customer payments and ensure all service paperwork and job requirements are completed before closing out service call.

HVAC Maintenance Technician - Lee's Air, Plumbing & Heating - Las Vegas, Nevada

(2026-07 - 2026-07)

• Performed routine preventative maintenance on HVAC systems.
• Inspect indoor and outdoor equipment for proper operation and manufacturing specifications.
• Diagnose electrical, mechanical, airflow, and refrigeration system issues.
• Check electrical components, compressor and motor amperage, capcitors, contactors, and other critical parts.
• Clean condenser coils, drain lines, and other system components.
• Inspect duct work, air filters, blower assemblies, and refrigerant lines.
• Recommend necessary repairs, system upgrades, or energy efficient improvements.
• Explain findings and repair options to customers. Complete service reports, document equipment conditions, and record repair recommendations.
• Collect payments when required and ensure customer satisfaction before leaving the job site.
• Follow all safety procedures and company standards.

Parts Specialist - Findlay Nissan - Las Vegas, NV

(2023-12 - 2025-12)

• Assisted technicians and customers with accurate identification and order of mechanical components and repair parts.
• Maintained high service standards in fast paced repair environments with time sensative equipment needs.
• Coordinated sourcing and availability of mechanical and OEM components to support service technicians and reduce repair downtime.

Parts Specialist - United Nissan - Las Vegas, NV

(2021-10 - 2023-11)

• Coordinated sourcing and availability of mechanical and OEM components
• Assisted technicians and customers with accurate identification and ordering of mechanical components and repair parts.
• Maintained high service standards in fast paced repair environments with time sensitive equipment needs.
• Collect payments when parts ordered or handed out to customers.

Parts Specialist - AutoNation Toyota - Las Vegas, NV

(2007-05 - 2020-03)

• Maintained high service standards in a fast paced repair environment with time sensitive equipmeent needs.
• Maintained and stocked mechanical parts in proper order for parts sales to be efficient.
• Assisted technicians and customers with accurate identification and ordering of mechanical components and repair parts.

HVACR - Quality Technical Training Center (2026-06)

General - John F. Kennedy High School (1999-06)