Ductulator Hvac Duct Sizing Calculator

Rectangular duct is rounded up to the nearest 1 4 inch.

Ductulator hvac duct sizing calculator.

And it shows the velocity and or static pressure loss of air for both types of duct shape. It works with i p units united states united kingdom and metric units canada europe russia middle east asia. 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. Friction rate velocity friction rate.

Online ductulator free duct size calculator. Include fittings in the duct tel enter either. In wg duct tel. Metal ductboard flex size by.

Enter duct airflow cfm duct velocity fpm duct length and the number of bends. Home hvac hvac duct size calculator excel free ductulator hvac duct size calculator excel free ductulator 7 15 2018 01 15 00 am. Includes scales for friction loss per unit length air volume air velocity round duct diameter and rectangular duct diameters. 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.

Ductulator calculats duct dimensions using equal friction method or velocity method. Read round duct diameter inches and friction loss per 100 of duct inches of water. Duct sizer ductulator for hvac air ducts. Unless within 2 the diameter is rounded up to the nearest inch.

Sheet metal duct friction loss calculator.