Home hvac hvac duct size calculator excel free ductulator hvac duct size calculator excel free ductulator 7 15 2018 01 15 00 am.
Ductulator hvac duct sizing calculator.
Enter duct airflow cfm duct velocity fpm duct length and the number of bends.
Duct sizer ductulator for hvac air ducts.
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.
It is designed for calculating and sizing duct dimensions according to air volume cfm roughness velocity etc.
It works with i p units united states united kingdom and metric units canada europe russia middle east asia.
In wg duct tel.
Read round duct diameter inches and friction loss per 100 of duct inches of water.
Sheet metal duct friction loss calculator.
Convert rectangular duct to round equivalent.
Rectangular duct is rounded up to the nearest 1 4 inch.
Unless within 2 the diameter is rounded up to the nearest inch.
Includes scales for friction loss per unit length air volume air velocity round duct diameter and rectangular duct diameters.
Online ductulator free duct size calculator.
Ductulator calculats duct dimensions using equal friction method or velocity method.
And it shows the velocity and or static pressure loss of air for both types of duct shape.
Friction rate velocity friction rate.
Metal ductboard flex size by.