Kitchen Exhaust Duct Size Calculator

Air ducts friction loss diagram a major loss diagram for air ducts imperial units ranging 10 100 000 cfm.

Kitchen exhaust duct size calculator.

Air ducts velocity diagram air flow volume duct size. Now as an accepted rule for ventilation a range hood needs to have the power to exchange your kitchen s air 15 times per hour. Enter duct airflow cfm duct velocity fpm duct length and the number of bends. If you don t have one you can find them in the following links.

Air ducts sizing air flow and required duct area. Duct excel sheet hvac kitchen hoods ventilation. Read round duct diameter inches and friction loss per 100 of duct inches of water. You may like these posts.

Air volume flow and capture velocities free exhaust hood calculator. When designing ducting for local exhaust ventilation use the prescriptive duct chart bath fans and kitchen range hoods can be sized prescriptively. Duct sizing how to size ductwork. For example your kitchen is 18 long x 14 wide x 9 ceiling height 2 268 cubic feet.

Please fill out the following form and we will contact you soon. To calculate your kitchen s size in cubic feet multiply the length by the width and height. Excel sheets for the design of and sizing of kitchen hoods. Ventilation systems for ventilation and air handling air change rates ducts and pressure drops charts and diagrams and more.

Flex duct 05 on most metal duct calculator round metal pipe 06 on most metal duct calculators field duct sizing chart rectangular sheet metal duct 07 on most metal duct calculators. This fan calculator is typically used to calculate the cfm or cubic feet per minute of air exchange that may be desired in a building. Are you interested in representing captiveaire and selling our products. With the calculation sheets below you will be able to design the kitchen hoods according to ashrae and greenheck.

If you have any questions please feel free to give us a call at 877 901 5530. Sheet metal duct friction loss calculator. Hopefully this kitchen exhaust duct sizing guide helps provide some answers and insight about choosing and planning out the size of your duct and how you will run it. You can obtain these from ductwork manufacturers or from industry bodies such as cibse and ashrae.

These charts hold a lot of information. Link 1 and link 2.