Exhaust Fan Size For Kitchen In Inches

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Exhaust fan size for kitchen in inches.

A 601 to 900 cfm fan requires a 7 inch minimum but an 8 to 10 inch duct is recommended. Take into account the ducting s length shape size and turns to help you work out your range hood cfm. With the additional 12 inches may vary by local regulations for the overhang of the hood this comes up to 140 inches or 11 feet 8 inches. At 1200 cfm and.

Ask the builder. A 901 to 1200 cfm fan requires an 8 inch minimum and a 10 to 12 inch duct is recommended. A ventilation fan should meet at least the minimum size. The size of your ducting and your cfm go hand in hand.

A ventilation fan should meet at least the minimum size. Use this table to calculate the cubic feet per minute cfm capacity needed for an exhaust fan in a specific room. Rounding up to the nearest foot you would therefore need a 12 foot hood. So if you have a 30 wide stove you would need a range hood with a fan that moves at least 250 cfm of air.

The basic rule of thumb when determining the fan size of a range hood is that it should move a minimum of 100 cfm of air for every 12 of stove width. For older less powerful range hoods ducting sizes tend to be four to six inches in diameter. You should also keep in mind what the future may dictate in terms of additional or larger items. Tim carter sizing an exhaust fan tips.