6 calculators in this category.
Duct Airflow and Velocity Checker Enter duct dimensions and CFM or air speed to solve for airflow, velocity, or capacity. Branch Airflow and Trunk Sizing Calculator Add branch airflows to find trunk flow and size sections at a chosen velocity. Room Supply Airflow from Sensible Load Use room sensible load and supply-to-room temperature difference to estimate required CFM. Duct Traverse Airflow Calculator Combine traverse readings with duct area and air properties to estimate average velocity and airflow. Duct Traverse Point Layout Calculator Enter duct dimensions and a supported traverse method to locate measurement points. Blower Table Airflow Calculator Use measured TESP and matching manufacturer blower-table points to estimate airflow for each entered tap.