HVAC TAB Technical Representative

PZI International•Huntsville, AL

16h•Onsite

About The Position

The HVAC TAB Technical Representative performs a comprehensive Testing, Adjusting, and Balancing (TAB) assessment of air and hydronic systems, integrating with the facility's DDC controls to restore design performance, verify the sequence of operations, and produce a certified NEBB report with corrective recommendations. This role supports a facility currently experiencing critical HVAC operational failure with secondary moisture impacts and requires meticulous field measurement, adjustment, documentation, and certification.

Requirements

NEBB credentialing is required for report certification; work shall be performed and certified by NEBB.
TAB Technician level requirements (field performer)
Completed 4‑year apprenticeship (minimum).
Passed NEBB written and practical exams.
Proficient with all TAB instruments.
TAB Supervisor/Professional (if serving in a lead capacity):
8+ years comprehensive HVAC/TAB experience.
Advanced exams on theory, application, and report management.
Engineering degree or demonstrated equivalent knowledge.
Proficiency with balometers/flow hoods, manometers, digital thermometers, hygrometers, tachometers/RPM meters, pressure/flow probes, and hydronic balancing equipment. (Technician supplies and inventories tools per SOW.)
Valid driver's license; eligibility to obtain on‑island license upon validation.
Strong documentation skills and attention to detail in data collection and reporting.

Responsibilities

Execute full Testing, Adjusting, and Balancing for all HVAC air and hydronic systems to confirm design airflow and fluid flow.
Perform Duct Air Leakage Testing (DALT) per SMACNA HVAC Air Duct Leakage Test Manual to validate duct integrity.
Measure and document pressures, temperatures, humidity, velocities, fan/pump performance, and differential readings across systems.
Conduct functional performance testing of the DDC system by commanding control points (setpoints, valve positions, fan speeds) and verifying the sequence of operations and physical response.
Coordinate findings and adjustments with the DDC specialist to ensure stable control and design compliance.
Prepare and submit the final, comprehensive NEBB‑certified TAB report, documenting procedures, initial conditions, adjustments made, and final performance data.
Provide a formal recommendations section that identifies systemic issues and permanent corrective actions.
Provide a complete inventory of TAB tools and materials needed for the assessment; coordinate shipment when items are not available on‑island.
Support mobilization/demobilization through Singapore per contract logistics.
Follow all applicable KBR, NSF Diego Garcia, federal, and local regulations and site procedures.
Use required PPE and maintain proper subcontractor identification while on site.