Refrigeration & Low Volt Installer

Colorado Mechanical Systems, LLC. (CMS) is privately owned and operated in Centennial, Colorado. CMS provides commercial heating, ventilation, and air conditioning (HVAC), refrigeration, and plumbing services across the Colorado Front Range, including Pueblo, Colorado Springs, Denver, Boulder and Fort Collins.

We are seeking a qualified Journeyman Lineset & low voltage Installer to join our growing mechanical contracting team. In this role, you will install and connect refrigerant line sets and local control wiring for commercial HVAC systems, including split systems, VRF/VRV systems, and large air handler units. This position requires knowledge of commercial refrigeration piping, high-level brazing skills, and the ability to work on complex, large-scale installations.

Essential Job Functions:

• Install and route refrigeration line sets (copper tubing) between condensing units and evaporators or air handlers.
• Run local low voltage "thermostat" wire for rough in.
• Measure, cut, bend, and braze copper piping using proper tools and safety protocols.
• Pressure test line sets using nitrogen and verify leak-free connections.
• Read and interpret blueprints, piping schematics, and technical diagrams.
• Ensure line sets are properly insulated, strapped, and supported.
• Collaborate with foremen, project managers, and other trades on site.
• Follow local and national HVAC-R codes and company safety procedures.
• Maintain a clean and safe work environment.
• Complete documentation and reports as required for inspections and job tracking
• Daily work activities include sitting, kneeling, climbing, squatting, crawling, and ascending and descending ladders and scaffolding constantly throughout the work day.
• Wear assigned PPE at all times while on the job site

Requirements:

• 3-5 years of experience installing refrigeration line sets.
• Proficient in brazing and pressure testing.
• Strong understanding of HVAC-R systems, including split systems, VRF/VRV,
• Ability to work from ladders, lifts, and in tight spaces.
• EPA Universal Certification preferred.
• Valid driver's license and reliable transportation.
• Must be able to lift 50+ lbs and perform physically demanding tasks.
• Ability to work independently and as part of a team.
• Strong attention to detail and commitment to quality workmanship.

Preferred Experience:

• Experience in commercial refrigeration or supermarket installs.
• Familiarity with VRF/VRV systems and associated refrigerant piping requirements.
• OSHA 10 or OSHA 30 certification.

Benefits:

• Competitive wages (based on experience and licensing)
• Health, dental, and vision insurance
• Retirement plan / 401(k)
• Paid time off and holidays
• Ongoing training and advancement opportunities

Pay Rate:

• $25.00-$35.00/hr. depending on skill and experience