Airflow pressure in ductwork is measured in inches of ____.

Name: Airflow pressure in ductwork is measured in inches of ____.
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Airflow pressure in ductwork is commonly measured in inches of water column (WC) because it is a practical unit of measure that allows for precise readings of low-pressure airflows. Mercury pressure and mercury column are not used in HVAC systems, and while air pressure can be used to measure airflow, it is not typically used in ductwork.

Airflow Pressure in Ductwork Is Measured in Inches of ____