Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic
Marlon Gray

Marlon Gray

San Antonio,TX

Summary

Results-driven HVAC-R Service Technician with strong problem-solving and team collaboration skills. Experienced in conducting routine maintenance, installing systems, and providing exceptional customer service to enhance energy efficiency and system performance.

Overview

6
6
years of professional experience
1
1
Certification

Work History

HVAC-R Service Technician

Frio AC
San Antonio, Texas
01.2019 - 01.2025
  • Installed and repaired HVAC systems for residential and commercial clients.

  • Performed routine maintenance on heating and cooling equipment to ensure optimal performance and longevity.
  • Diagnosed mechanical issues and implemented effective solutions to restore system functionality.
  • Utilized industry-standard tools for system troubleshooting and repairs.
  • Collaborated with team members to ensure efficient service delivery.
  • Educated customers on energy-saving practices and recommended system upgrades to enhance efficiency.
  • Documented service calls and maintained accurate records in company systems.
  • Created estimates for customers regarding cost of repair or replacement services for their HVAC-R systems.
  • Responded promptly to emergency service requests from clients.
  • Identified potential issues with existing HVAC-R systems before they became major problems.
  • Answered service calls to address ventilation, air conditioning and heating system issues.
  • Repaired faulty wiring, motors, compressors, condensers, evaporators, and other components of HVAC-R systems.
  • Serviced units to residential and commercial heating and air conditioning customers.
  • Used troubleshooting methods on HVAC components to diagnose and repair heat pumps, fireplace, geothermal, furnaces, and air conditioning equipment.
  • Completed detailed reports documenting all service activities related to each job assignment.
  • Explained proper use and care instructions to customers after completing a repair or installation job.
  • Ordered necessary parts from suppliers in order to complete jobs efficiently.
  • Followed up with customers after job completion in order to ensure satisfaction with the results.
  • Installed new HVAC-R systems in residential and commercial settings according to manufacturer specifications.
  • Maintained records of customer service calls including type of work performed, time spent on job site, materials used.
  • Tested components of heating and cooling systems using specialized tools and equipment.
  • Ensured that all safety standards were followed when performing service on HVAC-R equipment.
  • Calibrated thermostats for optimal performance of heating and cooling system units.
  • Provided recommendations on energy efficient products that could help save money on utility bills.
  • Collaborated with contractor representatives, supervisors, co-workers and sub-contractors on job sites to streamline operations.
  • Performed preventative maintenance on HVAC-R systems, such as cleaning, adjusting, and replacing parts.
  • Inspected ductwork for leaks or blockages prior to installing a new unit.
  • Reported problems with company tools and vehicles to crew foreman for quick resolution.
  • Replaced worn out parts of HVAC-R systems with new components according to manufacturer instructions.
  • Wired both line and low voltage to heating and cooling equipment.
  • Verified that the installation site was suitable for the type of system being installed.
  • Conducted brazing, threading pipe and tasks to complete service calls.
  • Unloaded and loaded truck supplies and equipment using proper hoisting techniques to avoid accidents and injuries.
  • Interpreted construction drawings and cut sheets in field.
  • Reviewed worklists from supervisor to interpret project details and instructions.
  • Installed heating, air conditioning and ventilation equipment and tested for proper operation.
  • Installed, maintained and repaired commercial refrigeration systems.
  • Assessed efficiency of HVAC and refrigeration systems to provide feedback to customers.
  • Promptly responded to complaints about temperature problems during massive heatwave and conducted assessments to determine causes and target solutions.
  • Monitored and adjusted building automation systems to improve HVAC system performance and efficiency.
  • Adept at reading blue prints of electrical equipment.
  • Responded to customer inquiries and complaints, providing timely and effective solutions to HVAC issues.
  • Installed and maintained residential and commercial HVAC systems to ensure optimal operation and energy efficiency.
  • Diagnosed and repaired faults in HVAC systems, including refrigerant leaks, electrical issues, and mechanical failures.
  • Calibrated HVAC equipment and systems for optimal performance and energy efficiency.
  • Collaborated with sales teams to provide technical expertise and support for HVAC product sales.
  • Coordinated with contractors and construction teams on new installations and major repair projects.
  • Implemented safety protocols and procedures to ensure safe working conditions for all HVAC-related tasks.
  • Managed inventory of HVAC parts and supplies, ensuring availability of necessary components for repairs and installations.
  • Completed basic repairs such as changing belts, servicing fans and motors and cleaning coils, strainers and filters to optimize equipment performance.
  • Utilized HVAC diagnostic software and tools to accurately identify and resolve system issues.
  • Advised customers on energy-saving measures and upgrades for older HVAC systems to improve efficiency.
  • Repaired parts by using technical knowledge, special tools and soldering skills.
  • Mounted compressors, condensers and other components in specified locations using hand tools and various welding equipment.
  • Installed furnaces, boilers and A/C units in new and existing buildings and assessed functionality of existing units.
  • Loaded materials, tools and equipment on truck at beginning of each shift.
  • Reviewed work orders and discussed with supervisors.
  • Planned work procedures using charts, technical manuals and experience.
  • Tracked repairs made, labor time and parts used to calculate bill.
  • Installed and repaired piping systems in residential and commercial buildings.
  • Collaborated with contractors to ensure project specifications were met.
  • Operated tools and equipment for pipefitting tasks efficiently.
  • Conducted inspections to identify and troubleshoot plumbing issues.
  • Maintained compliance with local plumbing codes and regulations.
  • Replaced broken drain lines using appropriate materials such as copper tubing or PVC piping.
  • Diagnosed problems with plumbing systems by listening for leaks, inspecting exposed pipes, testing pressure gauges, and running diagnostic tests.
  • Cut openings in structures to accommodate pipes or pipe fittings using power saws or hand tools.
  • Installed backflow preventers in accordance with state regulations.
  • Repaired or replaced worn parts such as washers, gaskets, and seals in plumbing system components.
  • Observed safety precautions while working with hazardous chemicals.
  • Tested pipe systems for proper functioning after installation or repair.
  • Conducted routine inspections of plumbing systems to ensure they are properly functioning.
  • Identified and located required tools prior to starting each project.
  • Maintained tools and equipment to keep supplies in excellent working condition.
  • Cut openings in walls and floors to accommodate pipe and pipe fittings.
  • Used power tools to create assemblies and sub-assemblies.
  • Inspected and tested installed systems to isolate and identify faults.
  • Installed automated controls to regulate pressure and volume in pipe systems.
  • Welded piping using specialized techniques and computer-assisted fabrication.
  • Conducted thorough inspections of work sites to identify holes and damage that needed repair.
  • Inspected installations to repair leaks and make adjustments to pipes.

Electrical Apprentice

Frio AC
San Antonio, Texas
01.2019 - 01.2025
  • Assisted in installing and repairing electrical systems in residential and commercial settings, enhancing system reliability and safety.
  • Collaborated with senior electricians to troubleshoot electrical issues efficiently.
  • Maintained tools and equipment to ensure safety and functionality on job sites.
  • Followed safety protocols while working on high-voltage systems and installations.
  • Supported the team in reading blueprints and technical drawings for projects.
  • Communicated effectively with clients regarding project updates and service needs.
  • Conducted routine inspections to identify potential hazards in electrical systems.
  • Used hand tools such as wire strippers, cutters to prepare wires for connections to boxes, terminals.
  • Pulled wires through conduit runs using fish tapes or pull strings when necessary.
  • Assisted with electrical installation tasks, added new wiring, and adjusted breaker boxes.
  • Replaced defective circuit breakers, fuses, switches, outlets, and lighting fixtures to restore functionality and ensure compliance with safety standards.
  • Worked in team-based environment to accomplish projects.
  • Worked with a variety of materials including PVC conduits, copper wiring, aluminum wiring and MC cables.
  • Operated hand and power tools and diagnostic equipment to complete various aspects of jobs.
  • Tested electrical systems to ensure proper functioning and safety.
  • Installed conduit systems including EMT, rigid conduit, flexible conduit.
  • Adhered to company standards and OSHA regulations for work site safety.
  • Examined and tested electrical systems to locate loose connections or other faults and make proactive repairs.
  • Completed semi-skilled and skilled work under supervision of fully qualified professionals.
  • Reviewed blueprints and electrical schematics to perform tasks to specifications.
  • Collaborated with more knowledgeable professionals to grow understanding of principles and construction standards.
  • Installed new electrical components, fixtures, and motors.
  • Installed and maintained electrical wiring, equipment, and fixtures in accordance with local codes and regulations.
  • Cut openings in walls or floors to accommodate the passage of pipes or electrical conduit using power saws or cutting torches.
  • Ran cable trays for power distribution from main panels to branch circuits.
  • Dug trenches and created holes to pull conduit and install supports.
  • Assembled junction boxes according to code requirements.
  • Read and interpreted blueprints, schematics, diagrams, and technical documents for installation of new systems.
  • Installed ground fault circuit interrupter outlets per code requirements.
  • Inspected existing wiring to identify short circuits.
  • Resolved issues with existing systems and replaced malfunctioning parts.
  • Measured and prepared supplies for electrical tasks.
  • Assisted in the planning of new installations by studying customer requirements and following approved specifications.
  • Transported required supplies and employees from headquarters to job site using company vehicles.
  • Connected cables from service entrance to meters and main distribution panel boards.
  • Followed relevant electrical and building codes for each job.
  • Verified measurements and made accurate cuts to avoid wasting materials on job sites.
  • Built controllers and panels to complete system installations.
  • Maintained accurate documentation of all work performed.
  • Set up equipment and configured settings for optimal performance.
  • Performed preventive maintenance procedures on electrical systems.
  • Pulled insulated wires or cables through conduits to complete circuits.
  • Connected wires to circuit breakers, junction boxes and components in residential and commercial properties.
  • Coordinated and executed installation of electrical wiring and fixtures according to job specifications and local codes.
  • Tested electrical systems and circuit continuity using ohmmeters, voltmeters, or oscilloscopes.
  • Installed leads and connected cables to motors, apparatus and equipment.
  • Planned layout and installation of wiring and fixtures based on project specifications and building codes.
  • Inspected electrical components to identify hazards, defects, or potential repairs in compliance with codes.
  • Trained workers on installation, maintenance, and repair of electrical equipment and fixtures, fostering skill development and safety awareness.
  • Led teams and delegated tasks to install, maintain, or repair electrical systems and wiring.
  • Advised management on issues of safety in continued equipment operation.
  • Supervised apprentices and assessed completed tasks, offering guidance and encouragement.
  • Collaborated with architects on electrical systems design for new construction.
  • Inspected transformers and circuit breakers to identify any potential issues before they become major problems.
  • Identified problems with circuits or equipment using testing devices such as multimeters or oscilloscopes.

Education

Associate of Arts - Business Administration

San Antonio College
San Antonio, TX
05-2024

Skills

  • Energy efficiency
  • Refrigeration systems
  • System installation
  • System maintenance
  • Preventative maintenance
  • Air conditioning
  • Cooling systems maintenance
  • Heating systems
  • Chiller systems
  • Boiler systems
  • Gas furnaces
  • Ductwork fabrication
  • Piping systems
  • Thermostat installation
  • Electrical wiring
  • Electrical diagnostics
  • Control wiring
  • Leak testing
  • Leak checks
  • System tune up
  • Energy efficiency
  • Energy management
  • Indoor air quality
  • Safety compliance
  • Code compliance
  • EPA certification
  • EPA requirements
  • Blueprints and specifications
  • Blueprint reading
  • Blueprint interpretation
  • Schematic reading
  • Technical documentation
  • Project coordination
  • Customer service
  • Service contract sales
  • Team collaboration
  • Effective communication
  • Analytical thinker
  • Problem solving
  • Time management
  • Inventory management
  • Building automation
  • Smart home connectivity
  • Continuity testing
  • Brazing techniques
  • Welding techniques
  • Soldering
  • Sheet metal work
  • Issue troubleshooting
  • Commercial install
  • Diagnostic techniques
  • Process improvement
  • Valid [state] driver's license
  • Microsoft office proficient
  • Customer focused
  • Leak checks
  • Controls calibration
  • Time management
  • EPA requirements
  • Microsoft office proficient
  • Dehydration treatment
  • Blueprint reading
  • Valid [state] driver's license
  • Soldering
  • Commercial install
  • Issue troubleshooting

Certification

  • CDL

Timeline

HVAC-R Service Technician

Frio AC
01.2019 - 01.2025

Electrical Apprentice

Frio AC
01.2019 - 01.2025

Associate of Arts - Business Administration

San Antonio College
Marlon Gray