NIHST
WORX Certified Specialist · HL-AIR

Air Makeup & Advanced Exhaust

Course overview

Air Makeup & Advanced Exhaust is a course in NIHST WORX Academy's WORX Certified Specialist. It covers advanced airflow across 1 modules and 2 lessons, and counts toward the Tier 3 hazardous-location finishing credential.

Course outline

01

Advanced Airflow

  • Air Makeup and Balance

    Exhaust without matched makeup air starves a booth: the fan cannot move the rated volume against a room it is depressurizing, and face velocity falls even though the fan runs. Air makeup units supply tempered replacement air so the booth ho...

  • Measuring and Proving Velocity

    A specialist proves airflow with instruments and method, not gauges and faith. Face-velocity traverses with a calibrated anemometer, smoke or tracer visualization of flow patterns, and verification that the proving switch trips at a pressur...

Enrolled students read the full lessons, track per-lesson progress, and complete this course toward their credential.

Enroll in the WORX Certified Specialist
BK
Reviewed by Benjamin Kurtz
NIHST Technical Authority

Questions

What does Air Makeup & Advanced Exhaust cover?+

Air Makeup & Advanced Exhaust is a course in NIHST WORX Academy's WORX Certified Specialist. It covers advanced airflow across 1 modules and 2 lessons, and counts toward the Tier 3 hazardous-location finishing credential.

How is this course structured?+

1 modules and 2 lessons of online instruction, authored against the NIHST competency standard and reinforced by hands-on lab work and supervised on-the-job hours.

What does it count toward?+

Completing every lesson in this course satisfies part of the coursework requirement for the Tier 3 credential. Coursework, a proctored exam, and signed OJT hours together gate the credential.

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