Assi Ngoh
Landover
Summary
Dedicated HVAC Technician with extensive experience in installation and maintenance across residential and commercial properties. Known for effective problem diagnosis and strong team collaboration, ensuring optimal system performance and safety compliance.
Overview
6
6
years of professional experience
1
1
Certification
Work History
Maintenance Technician
Joel And Sons maintenance services
Hyattsville
01.2024 - Current
- Performed routine maintenance on HVAC systems and plumbing fixtures.
- Conducted inspections to identify issues, facilitating timely repairs.
- Collaborated with team members to complete maintenance tasks efficiently.
- Utilized tools such as wrenches, drills, and saws for repairs.
- Maintained accurate records of service requests and completed work orders to streamline maintenance operations.
- Responded promptly to emergency maintenance calls during off-hours.
- Ensured compliance with safety regulations during all maintenance activities.
- Operated hand and power tools to complete repairs.
- Cleaned work areas to maintain a safe environment free from debris or hazardous materials.
- Maintained accurate records of all maintenance activities performed.
- Replaced defective parts such as bearings, seals, gears, valves.
- Installed new systems, replacement parts, and components to maintain proper operation.
- Diagnosed mechanical problems using visual inspections and test instruments.
- Assisted in the installation of new machinery and equipment.
- Performed preventive maintenance tasks, including lubrication and cleaning of machines and equipment.
- Troubleshot complex electrical and mechanical issues, minimizing equipment downtime.
- Changed HVAC filters and cleaned condensation drains to perform preventive maintenance on HVAC systems.
- Ensured proper functioning of facility's HVAC system by performing regular maintenance checks.
- Implemented troubleshooting techniques to resolve issues.
- Planned and laid out repair work using diagrams, drawings or schematic diagrams.
HVAC Technician
Celestine Air Conditioning and refrigeration
Bamenda
03.2020 - 02.2023
- Installed HVAC systems in residential and commercial properties efficiently.
- Conducted routine maintenance on air conditioning and refrigeration units.
- Diagnosed and repaired system malfunctions using specialized tools and techniques.
- Collaborated with team members to streamline installation processes and improve safety.
- Provided exceptional customer service by addressing client concerns promptly.
- Trained junior technicians on best practices for HVAC maintenance and repair.
- Ensured compliance with safety regulations during all service operations.
- Maintained accurate records of service calls, repairs, and equipment inventory.
- Performed preventive maintenance on HVAC systems to ensure peak performance and energy efficiency.
- Installed, repaired and maintained residential HVAC equipment, including furnaces, air conditioners, heat pumps and duct systems.
- Repaired or replaced defective parts such as compressors, motors, fans and other components in heating and cooling systems.
- Cleaned evaporator coils, condensate drains and blower wheels to maintain optimal efficiency of the unit.
- Troubleshot and diagnosed issues with HVAC equipment, providing recommendations for remediation.
- Documented all repair work performed on HVAC units according to company standards.
- Checked pressure readings on gauges connected to the system in order to diagnose any malfunctions.
- Maintained and serviced HVAC systems and refrigeration equipment.
- Replaced worn out filters at regular intervals to improve air quality inside the premises.
- Inspected electrical wiring of existing HVAC systems to identify potential problems and safety hazards.
- Recovered refrigerant from old HVAC units prior to disposal according to local environmental regulations.
- Examined heating and air conditioning systems and air compressors for signs of defects or malfunction.
- Followed safety procedures when working on high voltage wiring or gas lines.
- Adjusted controls to obtain desired temperature settings within the home or office environment.
- Resolved customer complaints regarding installation or service issues in a timely manner.
- Assessed efficiency of HVAC and refrigeration systems to provide feedback to customers.
- Adept at reading blue prints of electrical equipment.
- Calibrated HVAC equipment and systems for optimal performance and energy efficiency.
- Assisted in the selection and sizing of HVAC equipment for new installations, based on detailed load calculations.
- Installed furnaces, boilers and A/C units in new and existing buildings and assessed functionality of existing units.
- Cut and drilled holes in floors, walls and roofs to install equipment using power saws and drills.
Education
GED -
Montgomery College
Rockville, MD06-2026
Skills
- HVAC installation
- Ventilation systems
- Problem diagnosis
- Safety compliance
- Team collaboration
- Preventive maintenance
- Technical troubleshooting
Certification
- HVAC ACADEMIC EXCELLENCE CERTIFIED
Timeline
Maintenance Technician
Joel And Sons maintenance services
01.2024 - Current
HVAC Technician
Celestine Air Conditioning and refrigeration
03.2020 - 02.2023
GED -
Montgomery College