Ductulator Hvac Duct Sizing Calculator

Ductulator calculats duct dimensions using equal friction method or velocity method.

Ductulator hvac duct sizing calculator.

And it shows the velocity and or static pressure loss of air for both types of duct shape. The ductulator duct sizing calculator is a hand held rotating calculator used for sizing supply and return duct systems using the equal friction design method. Online ductulator free duct size calculator. Includes scales for friction loss per unit length air volume air velocity round duct diameter and rectangular duct diameters.

Duct sizer ductulator for hvac air ducts. Metal ductboard flex size by. Unless within 2 the diameter is rounded up to the nearest inch. Home hvac hvac duct size calculator excel free ductulator hvac duct size calculator excel free ductulator 7 15 2018 01 15 00 am.

Enter duct airflow cfm duct velocity fpm duct length and the number of bends. It works with i p units united states united kingdom and metric units canada europe russia middle east asia. Convert rectangular duct to round equivalent. Friction rate velocity friction rate.

Include fittings in the duct tel enter either. Read round duct diameter inches and friction loss per 100 of duct inches of water. Sheet metal duct friction loss calculator. Rectangular duct is rounded up to the nearest 1 4 inch.

This ductulator uses the colebrook equation to calculate the smallest duct size acceptable for the selected friction rate and duct type that stays within the selected acca manual d recommended velocities.