NEBB Testing, Adjusting and Balancing Certified Professional (CP) study plan

Map the NEBB TAB domain into its core sub-areas (air systems, hydronic systems, controls verification, instrument calibration, reporting) and rate your current confidence in each from 1 to 5

Define and write out from memory the standard airflow equation Q = V x A, then solve five practice problems converting between fpm, cfm, and duct area in square feet

List the primary instruments used for air balancing (anemometer, pitot tube with manometer, flow hood, tachometer, smoke pencil) and state what each measures and its typical accuracy tolerance

Build a one-page reference sheet of unit conversions (inH2O to Pa, cfm to L/s, gpm to L/s, F to C) that you will reuse all eight weeks

Explain the difference between a duct traverse using a pitot tube and a direct-reading flow hood, and state when each is preferred

Describe how to lay out a pitot tube traverse (number of readings, spacing points, minimum straight duct upstream and downstream) and compute an average velocity from a set of readings

Identify the causes of inaccurate traverse readings (turbulence, poor locations, leaking connections, wrong correction factors) and how to correct each

Practice calculating a duct correction factor from a field traverse versus a hood reading and explain how it is applied

Describe the proportional balancing method for air systems, including the sequence of adjusting branch dampers from the farthest to the nearest terminal

Explain the concept of the index run or critical path and identify it on a described duct layout

Calculate percentage of design airflow for each terminal from a supplied table of measured versus design cfm and flag those outside the acceptable tolerance band

List the documentation a NEBB-certified balancer must produce (field data sheets, final report, instrument calibration records) and what each contains

Describe the steps to balance a hydronic system using balancing valves, including reading differential pressure across a circuit and setting a valve to a target flow

Explain the difference between a manual balancing valve, a pressure-independent control valve, and a flow-limiting device, and where each is used

Calculate flow from a measured differential pressure across a coil or valve using a known Cv or Kvs value

Identify common hydronic balancing problems (air binding, pump cavitation, reverse return errors, wrong valve sizing) and the corrective action for each

Explain how to verify that controls respond correctly during TAB, including checking economizer operation, damper stroke, valve stroke, and sensor calibration

Describe the pre-functional checklist items a balancer confirms before starting (fan rotation, belt tension, filter condition, coil cleanliness, damper position)

List the safety hazards specific to TAB work (rotating equipment, electrical panels, confined spaces, refrigerant exposure) and the control measure for each

Practice interpreting a sequence of operations narrative and list the setpoints and conditions a balancer would confirm in the field

Work through full-system balancing scenarios that combine air and water, deciding the order of operations and the dependencies between them

Calculate fan and pump operating points from a described system curve and equipment curve and explain how TAB adjustments shift the operating point

Explain how to handle a system that cannot reach design flow (undersized duct, closed damper, dirty filter, wrong pulley) and the diagnostic sequence to isolate the cause

Describe how to document out-of-tolerance conditions and the process for notifying the design team and re-testing after corrections

Review the full TAB workflow from pre-design review through final report and list the deliverable at each stage

Practice writing a final TAB report section for a single air-handling unit including design versus measured values, instrument used, and any deviations

Revisit your week 1 confidence grid and re-score each sub-area, then list the three weakest areas to target in the final week

Complete a timed set of calculation drills (traverse, hydronic flow, percent of design) under exam-like time pressure

Drill the three weakest sub-areas identified in week 7 with targeted practice and self-quizzing until each is rated at least 4 out of 5

Recite from memory the key equations, tolerances, and instrument accuracies without reference to notes

Complete a full-length timed practice exam or question set and review every missed item to identify the underlying concept gap

Finalize a condensed one-page exam-day reference covering only the facts you repeatedly missed