Duct Size For Kitchen Exhaust Fan

6 to 8 duct 400 to 600 cfm.

Duct size for kitchen exhaust fan.

But if the size of your duct matches your ventilation power your kitchen exhaust fan will do its job properly and quietly. 8 to 12 duct 900 to 1200 cfm 10 and up duct 1200 and higher cfm. You required 2215 fresh air and. I m putting in a kitchen exhaust hood that is 480 cfm with a 6 round duct connection.

Ducted kitchen exhaust fans. The physical size of existing fan is enormous 42 inches can i go to a smaller size. If you have any questions please feel free to give us a call at 877 901 5530. The duct size is directly proportional to the cfm rating.

Title 24 requirement ashrae 62 2 2007 ashrae 62 2 2010. The cubic feet per minute rating is a measure of how much air the fan can exhaust from the kitchen in a minutes time. Because this type of exhaust fan requires ductwork and piping running from your kitchen to the outside of your home it can have limited location options. Please fill out the following form and we will contact you soon.

But have the cfm higher. 500 l s meter square for exhaust kitchen hood duct. Are you interested in representing captiveaire and selling our products. I am an hvac designer but this is a question about an installation i am doing in my own house.

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. Mohammad vaseemakram december 9 2015 at 4 46 am. My duct sizer tells me that would require a 10 5 duct. I ve never designed a kitchen exhaust system before but my understanding was that for bathroom exhaust you want to size the duct for 0 1 of head loss.

A good rule of thumb for estimating duct diameter and cfm requirements is. A ducted kitchen exhaust fan draws air from your kitchen through a duct and releases it outside. Since they release the captured air outside as opposed to just.