Commercial HVAC Service Technician

Kelso Industries•Hamilton, OH

8d•Hybrid

About The Position

Four-Star Mechanical is seeking a highly skilled Senior Commercial HVAC Service Technician with extensive experience servicing, troubleshooting, and repairing commercial HVAC equipment, including Variable Refrigerant Flow (VRF) systems. The ideal candidate is a self-driven professional who can work independently, provide exceptional customer service, and maintain the highest safety standards.

Requirements

5+ years of commercial HVAC, plumbing, or refrigeration experience
HVAC and brazing license required
Universal Refrigerant License required
Valid driver’s license and clean driving record
Able to be on a rotating on-call schedule
Must be able to access and work on active construction sites

Nice To Haves

Journeyman HVAC license preferred
Hydronic or plumbing licenses a plus
Basic knowledge of direct digital controls (DDC) and network systems (TCP/IP, RS-485)

Responsibilities

Install, maintain, and repair HVAC and refrigeration systems, including boilers, chillers, fans, pumps, valves, thermostats, and motors
Perform routine inspections and preventive maintenance
Install, commission, and troubleshoot VRF systems
Diagnose and fix mechanical and electrical issues
Work with copper tubing and piping, including cutting, threading, testing, and insulating
Use hand tools, power tools, and test equipment safely
Ensure compliance with safety practices and building codes
Read and follow blueprints, diagrams, and work orders
Provide excellent customer service and complete billing paperwork
Support emergency repairs while on-call
Perform other duties as assigned