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HVAC Start & Test Replacement Mechanic (Commercial)

Posted January 22, 2026
Hourly, full-time

Job Overview

Are you the technician everyone trusts to make it work right the first time? Do you thrive on precision, problem-solving, and seeing a project successfully cross the finish line? If so, we’re looking for a Commercial HVAC Start-Up & Test Mechanic to play a critical role in commissioning high-profile commercial projects.

This position is more than start-up—it’s about ownership, expertise, and delivering confidence to customers when systems go live.


What You’ll Do

As a key player in our commercial operations, you will:

  • Perform start-up, testing, adjustment, and commissioning of commercial HVAC systems including RTUs, split systems, VRF/VRV, air handlers, VAV systems, pumps, and controls
  • Verify installations prior to start-up and identify deficiencies or punch list items
  • Test system performance and coordinate balancing activities
  • Configure, calibrate, and validate controls, sensors, safeties, and sequences of operation
  • Document start-up data, test results, and equipment settings with precision
  • Collaborate with Project Managers, Superintendents, Controls Technicians, and Field Mechanics to resolve issues efficiently
  • Coordinate with equipment manufacturers and factory representatives when required
  • Ensure compliance with mechanical codes, manufacturer requirements, and company standards
  • Troubleshoot system issues during commissioning and support resolution
  • Assist with customer training and system turnover documentation
  • Maintain a clean, safe, and professional jobsite environment

What You Bring

  • Strong knowledge of commercial HVAC systems and components
  • Ability to read and interpret mechanical plans, specifications, wiring diagrams, and control schematics
  • Proficiency with testing instruments, gauges, meters, and diagnostic tools
  • Working knowledge of HVAC controls and BAS systems
  • Excellent troubleshooting, time management, and problem-solving skills
  • High attention to detail with accurate documentation habits
  • Professional communication skills and the ability to work independently

Experience & Education

  • 5+ years of commercial HVAC field experience (start-up/commissioning preferred)
  • Technical school, apprenticeship, or equivalent hands-on experience
  • Valid driver’s license with an acceptable driving record

Preferred Certifications

  • EPA Universal Certification
  • OSHA 10
  • Manufacturer start-up or commissioning certifications (Trane, Carrier, Daikin, etc.)
  • Controls or commissioning certifications a plus

Physical Requirements

  • Ability to lift up to 50 lbs.
  • Comfortable working on rooftops, ladders, and in confined spaces
  • Ability to stand, walk, kneel, and work in varying weather conditions

What We Offer

  • Competitive pay based on experience
  • Health, dental, and vision insurance
  • Paid time off and paid holidays
  • 401(k) with company match and profit sharing
  • Company vehicle and tools (as applicable)
  • Branded uniforms
  • Company-paid training and certification opportunities
  • Long-term career growth with a respected, established company

Ready to Apply?

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