Commercial Kitchen Hood Duct Size

Note that not both exhaust fans are required for hood exhaust.

Commercial kitchen hood duct size.

View the kitchen exhaust duct sizing chart below to determine your ductwork diameter based on range hood cfm. Here is a breakdown of the duct size you need based on your range hood s cfm if you have a range hood with a cfm of 0 400 you will need a minimum duct size of 4. If your hood is between 601 and 900 cfm you need a minimum duct size of 7. A range hood should be able to exchange the air in the kitchen at least 15 times per hour or every four minutes.

For example if your kitchen is 16 long x 16 wide with an 8 ceiling it would contain 2 048 cubic feet of space. Please fill out the following form and we will contact you soon. Minimum duct size of 6 recommended duct size of 8. Minimum duct size of 7 recommended duct size of 8 10.

The illustration above shows a typical commercial kitchen application utilizing a roof mount upblast exhaust fan or wall mount upblast exhaust fan in conjunction with a supply fan. If your hood is between 401 and 600 cfm you need a minimum duct size of 6. The minimum duct sizes and recommended duct sizes based on a hood fan s cfm rating are as follows. State of the art stainless steel grease duct systems are nfpa 96 compliant designed to safely convey grease laden vapors from commercial kitchen cooking equipment.

You should also keep in mind what the future may dictate in terms of additional or larger items. Commercial kitchen equipment manufacturer. Minimum duct size of 4 recommended duct size of 6. 16 2 please refer to the duct diameter sizing chart by hood size and cfms.

Rounding up to the nearest foot you would therefore need a 12 foot hood. Also the sheet provide the method for duct surface area and duct weight calculations. 14 2 15 6 to 20 0. A 0 to 400 cfm fan requires a 4 inch minimum duct size but a 6 inch duct is recommended.

16 wide x 16 long x 8 high 2 048 cubic feet. Are you interested in representing captiveaire and selling our products. Read on to determine how to size your exhaust and supply fans. Excel sheets for the design of and sizing of kitchen hoods.