HVAC Journeyman Installer — Residential & Light-Commercial

AER SYSTEMS; Carlsbad (CA); On-site; USD 70,000 - 110,000; Full time

Benefits offered by this job

401(k) matching

Company parties

Competitive salary

Free uniforms

Opportunity for advancement

Paid time off

Flexible Scheduling

Career Advancement Opportunities

Job summary

AER Systems LLC is seeking an experienced HVAC Journeyman to independently install, service, and commission HVAC systems across residential and light commercial projects in San Diego County. The role covers new construction, retrofit, and replacement work on single-family homes, small commercial buildings, and multi-family properties.

You will read mechanical plans, perform commissioning and startup, troubleshoot systems, and ensure installations meet California Mechanical Code and Title 24

Qualifications

• 4+ years of hands-on HVAC installation experience across residential and commercial systems.
• Ability to read and work from mechanical plans, load calculations, and equipment submittals.
• Experience with gas furnaces/split-systems and heat pumps; light-commercial packaged/rooftop units a plus.
• Valid driver's license and reliable transportation; ability to travel between job sites daily.
• Background check and drug screening required on HUD/Section 8 and many commercial sites.
• Bilingual English/Spanish is a plus.

Responsibilities

• Install and service HVAC systems per manufacturer specifications and plans.
• Fabricate, lay out, and install ductwork (sheet metal and flex).
• Run and terminate refrigerant line sets, brazing, pressure testing, and evacuation per EPA 608.
• Install and wire low-voltage controls, thermostats, and basic electrical connections.
• Read and interpret mechanical plans, load calculations, and equipment schedules.
• Perform startup, commissioning, and system checkout with airflow verification.
• Diagnose and troubleshoot system malfunctions on new and existing equipment.
• Ensure compliance with California Mechanical Code, Title 24, and ASHRAE 62.2 where applicable.
• Coordinate with general contractors and property owners to minimize disruption.

Skills

HVAC installation

Reading mechanical plans

Ductwork fabrication

Troubleshooting

Bilingual (English/Spanish)

Education

EPA 608 Universal Certification

OSHA 10 (Cal/OSHA)

California HVAC-related trade certification

Tools

Refrigeration systems knowledge

Electrical/controls

Sheet metal fabrication tools

Job description

AER Systems LLC is seeking an experienced HVAC Journeyman to independently install, service, and commission HVAC systems across residential and light commercial projects in San Diego County. The role covers new construction, retrofit, and replacement work on single-family homes, small commercial buildings, and multi-family properties.

You will read mechanical plans, perform commissioning and startup, troubleshoot systems, and ensure installations meet California Mechanical Code and Title 24