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, TX05-2024
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