Lien Vu
BREEZY AC & PLUMBING, INC
TAMPA,FL
1
Certification
29
years of professional experience
Experienced HVACR contractor, designer and engineer with expertise in system diagnostics, BAS controls, load analysis, and energy-efficient installations. Known for delivering code-compliant solutions, reliable repairs, and well-coordinated projects across residential and commercial sites.
Work History
HVACR CONTRACTOR
13 Years 9 Months- Installed, repaired, and replaced HVACR systems such as heat pumps, straight-cooled, water chilled systems, cooling towers, rooftop units, ductwork, and controls for residential and commercial properties.
- Diagnosed equipment failures, traced refrigerant issues, and restored heating and cooling performance.
- Performed preventive maintenance on condensers, air handlers, furnaces, and thermostats to improve reliability.
- Calculated load requirements, selected proper equipment, and verified code-compliant system specifications.
- Conducted and evaluated air quality control, fresh air dampers, UV lights and duct sanitary systems
- Interpreted blueprints, wiring diagrams, and technical manuals to complete accurate installations.
- Coordinated jobsite workflow, materials, and subcontractor communication to keep projects on schedule.
- Ensured proper installation of energy-efficient HVAC systems, reducing energy consumption for clients.
- Conducted thorough diagnostics on malfunctioning systems, identifying root causes and implementing effective repairs to restore functionality swiftly.
Part-Time and Weekend HVACR Contractor
12 Years 7 Months- Installed heating, cooling, and ventilation equipment following job specifications and code requirements.
- Serviced, repaired, troubleshooting and maintained water chilled, cooling tower, and hydronic systems with BAS controls and VFD.
- Inspected and tested refrigeration systems, safety devices and controls to determine proper functionality.
- Improved HVAC system efficiency by conducting regular maintenance and troubleshooting tasks.
- Established long-term relationships with clients by delivering consistent high-quality service and support for their HVAC needs.
- Successfully completed numerous large-scale commercial projects within budget and on time, showcasing expert project management skills.
HVACR Contractor
7 Years 9 Months- Installed, repaired, and maintained HVAC systems, ensuring reliable heating and cooling performance.
- Diagnosed electrical, mechanical, and refrigerant issues using gauges, meters, and service diagnostics.
- Performed routine preventive maintenance on rooftop units, condensers, furnaces, and air handlers.
- Read blueprints and equipment specifications to complete accurate system installations and replacements.
- Adhered to safety procedures, building codes, and manufacturer guidelines during all service activities.
- Collaborated with architects and engineers, ensuring seamless integration of HVAC systems in building designs.
- Stayed up-to-date on industry advancements, integrating new technology into existing systems where applicable for increased efficiency gains.
Designer /Project Engineer
3 Years 4 Months- Reverse-engineered, redesigned and improved aircraft engine turbine blades
- Developed detailed design concepts and production drawings for client review.
- Collaborated with cross-functional teams to refine specifications and resolve design issues.
- Prepared accurate layouts, renderings, and technical files for fabrication workflows.
- Reviewed project requirements to ensure alignment with brand standards and functional needs.
HVACR Designer / Project Engineer
2 Years 11 Months- Designed water-cooled/chilled-water HVAC systems for commercial applications.
- Conducted energy-savings analyses for county schools using TRACE building energy analysis software, identifying opportunities to enhance energy efficiency.
- Designed and selected HVAC piping systems, components, motors, controls, and sensors.
- Designed cooling tower systems and specified associated HVAC equipment and components to ensure optimal system performance.
- Selected appropriate duct sizes based on system requirements and design conditions.
- Conducted energy-savings analyses for county schools using TRACE building energy analysis software.
- Performed HVAC load calculations for commercial building projects.
- Developed control strategies and selected control components and sensors to enhance HVAC system operation and reliability.
- Coordinated HVAC system components to produce complete and functional mechanical system designs.
- Used HVAC engineering and design software to develop and evaluate system designs.
- Applied engineering principles to improve system efficiency, performance, reliability, and operating costs.
Education
Bachelor of Science - Mechanical Engineering
Skills
HVAC system engineering
Air conditioning systems
Heating design
Refrigeration system service
Load analysis
BAS controls
Ductwork installation
Indoor air management
System diagnostics
Cost estimation
Certification
- Licensed HVACR & Plumbing Contractor
Timeline
HVACR CONTRACTOR
BREEZY AC & PLUMBING, INC
01.2013 - CurrentRead More
Part-Time and Weekend HVACR Contractor
Tampa Bay Times
02.2005 - 09.2017Read More
HVACR Contractor
Vus Air Systems, Inc
02.2005 - 11.2012Read More
Designer /Project Engineer
Belac, LLC
04.2001 - 08.2004Read More
HVACR Designer / Project Engineer
Anston-Greenlees, Inc
03.1998 - 02.2001Read More
University of South Florida
Bachelor of Science from Mechanical Engineering
Read More