What is balancing tolerance and how is it used during tests?

What is balancing tolerance and how is it used during tests?

• A. The allowable deviation from design target flow or pressure; results must fall within tolerance bands to pass the test.
• B. A fixed minimum airflow setpoint used across all zones.
• C. The maximum permissible fan power during testing.
• D. The exact measured airflow for the largest zone only.

Answer: (A)