Professional Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline

Alvaro Steve Lizama Romo

The Severn Group
Alexandria,VA
2
Languages
1
Certification
5
years of professional experience

HVAC Technician installs, services, and troubleshoots residential and commercial HVAC systems with strengths in electrical wiring, refrigeration, and plumbing. Restores system reliability through systematic fault diagnosis, preventive maintenance, and targeted repairs that reduce repeat service calls and improve uptime. Universal EPA and OSHA 30 certifications.

Work History

HVAC Commission Service/Pipefitter

1 Year
The Severn Group | 08.2025 - Current
  • Spearheaded commissioning workflows for complex HVAC and piping projects, aligning design intent with field execution to ensure timely facility readiness and reduced rework.
  • Diagnosed recurring system faults using structured troubleshooting and root-cause analysis, restoring system performance and delivering noticeable reliability gains.
  • Developed preventive maintenance routines and led proactive inspections for HVAC and piping systems, enhancing operational stability.

HVAC Installer/Service

1 Year 5 Months
Ironclad Mechanical | 03.2025 - 08.2026
  • Led cross-functional crews to prioritize emergency HVAC jobs, reducing system downtime and minimizing client disruption.
  • Analyzed service histories and failure patterns to target recurring faults, improving diagnostics speed and repair turnaround.
  • Installed HVAC systems according to specifications and safety standards.
  • Conducted routine maintenance on heating and cooling equipment to ensure optimal performance.
  • Collaborated with team members to streamline installation processes, enhancing efficiency.

HVAC Mechanic

2 Years 3 Months
CroppMetcalfe | 12.2022 - 03.2025
  • Executed routine maintenance on HVAC systems, ensuring peak performance and reliability for customers.
  • Perform preventive maintenance on residential HVAC systems to sustain optimal performance, achieving measurable improvements in operational uptime and customer satisfaction.
  • Perform routine maintenance on HVAC systems to ensure optimal performance.
  • Install and wire HVAC units in residential settings.
  • Utilize electrical and plumbing knowledge to complete installations efficiently.
  • Maintain a high standard of workmanship and attention to detail.
  • Cultivated customer relationships through effective communication and timely service, resulting in increased client satisfaction.

HVAC Helper

1 Year 6 Months
R&B Heating and Cooling | 06.2021 - 12.2022
  • Acquired hands-on experience with American Standard, Carrier, Goodman, and Fujitsu units in various settings.
  • Performed brazing, refrigerant recovery, and PVC plumbing work.
  • Assisted in electrical wiring for HVAC units.
  • Supported electrical wiring for HVAC units to ensure proper functionality.
  • Managed HVAC parts and tools inventory, streamlining supply processes for timely repairs.

Education

High School Diploma

West Potomac High School | Alexandria, VA | 01-2021

Skills

Electrical wiring
Troubleshooting
Refrigeration
HVAC systems
Plumbing
Commissioning workflows
Preventive maintenance
Root-cause analysis
Refrigerant recovery
Brazing
Blueprint reading
Combustion analysis
Equipment startup
Ductwork layout

Certification

  • Universal EPA Certification
  • OSHA 30 Certification

Languages

English - Native
Spanish - Native

Timeline

HVAC Commission Service/Pipefitter

The Severn Group
08.2025 - CurrentRead More

HVAC Installer/Service

Ironclad Mechanical
03.2025 - 08.2026Read More

HVAC Mechanic

CroppMetcalfe
12.2022 - 03.2025Read More

HVAC Helper

R&B Heating and Cooling
06.2021 - 12.2022Read More

West Potomac High School

High School Diploma
Read More
Alvaro Steve Lizama Romo