AC Line Set

Villara•McClellan Park, CA

3d•Onsite

About The Position

The AC Line Set Technician is responsible for the installation, routing, and preparation of refrigerant line sets for residential systems. This role focuses on copper line set installation, insulation, pressure testing support, and jobsite readiness to ensure HVAC systems are installed to company standards, manufacturer specifications, and applicable codes. This position works under the direction of a Lead Installer or Supervisor and does not require full HVAC system commissioning responsibilities.

Requirements

High school diploma or equivalent
Experience installing copper tubing and refrigerant line sets for HVAC systems preferred
Ability to safely use hand tools and power tools (tubing cutters, benders, drills, etc.)
Ability to read basic layouts or installation plans
Comfortable working in attics, crawlspaces, and outdoor environments
Ability to lift and carry materials up to approximately 50 lbs
Valid driver’s license and reliable transportation

Nice To Haves

Previous HVAC installation support or helper experience
Basic understanding of refrigerant piping practices and insulation requirements
EPA Section 608 Certification (or willingness to obtain)

Responsibilities

Install copper refrigerant line sets for air conditioning and heat pump systems in residential and light commercial settings
Measure, cut, bend, support, and secure copper tubing according to layout plans and job specifications
Properly insulate line sets and seal wall penetrations to prevent air, moisture, and pest intrusion
Route line sets through walls, attics, crawlspaces, and exterior wall paths while maintaining clean workmanship
Assist with pressure testing, leak checking, and preparation for evacuation (as directed)
Secure line sets to meet manufacturer requirements, local codes, and company standards
Maintain a clean and organized jobsite during and after installation
Load, unload, and stage materials and tools needed for line set installation
Communicate job progress or site concerns to supervisor or lead installer
Follow safety procedures and use appropriate PPE at all times
Problem solving and quick conflict resolution skills.
Self-motivated, organized with a can-do attitude
Demonstrate initiative to complete assignments and obtain results
Able to work independently and as part of a changing team
Committed to creating and participating in a positive workplace culture
Capable of providing excellent internal and external customer interactions
Able to remain calm and handle stress well
Committed to arriving on time and ready to work
Committed to follow safety procedures
Appropriate time taken for rest and meal breaks
Use of personal cell phones for emergency or while on rest and meal breaks only