HVAC Control Systems Technician – Commissioning & Troubleshooting

Comfort Systems USA Mid South; Birmingham (AL); On-site; USD 52,000 - 76,000; Full time

Job summary

Comfort Systems USA Mid South is seeking an HVAC controls technician to install, wire, and commission control systems on commercial projects in Birmingham. The role includes reading blueprints, performing startup and testing, and ensuring system verification.

The technician will troubleshoot BAS networks, calibrate sensors, and resolve BACnet/Modbus communication issues while maintaining safety standards and thorough documentation. On-site service and after-hours support are expected.

Responsibilities

• Install, wire, terminate, and commission HVAC control systems, including controllers, sensors, actuators, thermostats, and field devices.
• Install low-voltage control wiring, communication networks, and raceway systems in accordance with project specifications and applicable codes.
• Read and interpret blueprints, control diagrams, wiring schematics, sequences of operation, and construction drawings.
• Perform startup, testing, commissioning, and verification of HVAC control systems.
• Troubleshoot and repair building automation systems, controllers, field devices, communication networks, and HVAC equipment interfaces.
• Calibrate sensors, transmitters, and other control devices to ensure accurate system operation.
• Diagnose and resolve BAS communication issues involving BACnet, Modbus, and other protocols.
• Utilize diagnostic tools, testing equipment, and software applications to identify and correct system deficiencies.
• Document service activities, commissioning reports, system modifications, and as-built drawings.
• Coordinate with project managers, service technicians, subcontractors, equipment suppliers, and customers to ensure successful project completion.
• Maintain accurate records of work performed, materials used, and system changes.
• Follow all company safety policies, procedures, and jobsite requirements.
• Operate lifts, ladders, and other equipment safely and responsibly.
• Participate in after-hours service calls, emergency response, and scheduled maintenance activities as required.
• Maintain company-issued tools, equipment, technology, and vehicles in good working condition.
• Provide professional customer service and represent the company in a positive manner at all times.

Job description

Comfort Systems USA Mid South is seeking an HVAC controls technician to install, wire, and commission control systems on commercial projects in Birmingham. The role includes reading blueprints, performing startup and testing, and ensuring system verification.

The technician will troubleshoot BAS networks, calibrate sensors, and resolve BACnet/Modbus communication issues while maintaining safety standards and thorough documentation. On-site service and after-hours support are expected.