TAB Airflow Verification

Calculate percent deviation from design airflow and determine if air balancing meets acceptance criteria.

Specified design CFM
CFM
Field-measured CFM
CFM
Acceptable deviation: typically 10% for total, 20% for terminal
%

Results

Deviation from Design-CFM
Percent Deviation-%
Acceptance Status-
References: ASHRAE 111 - Measurement, Testing, Adjusting & Balancing of Building HVAC Systems, NEBB Procedural Standards