Commercial HVAC Technician

Company: Carlson's Heating and Cooling
Location: Sioux Falls
Posted on: February 18, 2026

Job Description:

Job Description Job Description A Commercial HVAC Technician is a skilled tradesperson who installs, maintains, and repairs heating, ventilation, and air conditioning systems in commercial and industrial buildings — such as offices, hospitals, schools, and factories. Core Responsibilities Installation: Set up HVAC systems (rooftop units, chillers, boilers, air handlers, VRF systems, etc.) according to blueprints and specifications. Maintenance: Perform routine inspections, clean coils and filters, check refrigerant levels, test electrical components, and calibrate controls. Diagnostics & Repair: Troubleshoot and repair system malfunctions — including compressors, motors, thermostats, and control systems. System Optimization: Ensure systems run efficiently to reduce energy costs and meet environmental standards. Documentation: Maintain service records, logs, and reports for clients and supervisors. Safety Compliance: Follow OSHA, EPA, and local building codes (including handling of refrigerants under Section 608 certification). ?? Skills & Knowledge Strong understanding of electrical systems, refrigeration cycles, and airflow dynamics. Ability to read and interpret blueprints, wiring diagrams, and schematics. Experience with Building Automation Systems (BAS) and Energy Management Systems (EMS). Familiarity with commercial-grade equipment: chillers, cooling towers, VAV systems, RTUs, etc. Competence in brazing, pipefitting, and ductwork. ?? Qualifications HVAC technical school diploma or associate degree. EPA 608 Certification (required for refrigerant handling). NATE , HVAC Excellence , or manufacturer-specific certifications are a plus. Typically 3–5 years of field experience for full commercial-level competency. hc202569

Keywords: Carlson's Heating and Cooling, Sioux City , Commercial HVAC Technician, Engineering , Sioux Falls, Iowa