Exhaust Fan Size For Kitchen In Inches

For older less powerful range hoods ducting sizes tend to be four to six inches in diameter.

Exhaust fan size for kitchen in inches.

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. Hon guan 6 inches home ventilation fan 141 cfm bathroom garage exhaust fan ceiling and wall mount fan for kitchen bathroom super silent energy saving strong exhaust silver 5 0 out of 5 stars 1 43 99 43. Ask the builder. A 601 to 900 cfm fan requires a 7 inch minimum but an 8 to 10 inch duct is recommended.

A 901 to 1200 cfm fan requires an 8 inch minimum and a 10 to 12 inch duct is recommended. At 1200 cfm and. A ventilation fan should meet at least the minimum size. 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.

Use this table to calculate the cubic feet per minute cfm capacity needed for an exhaust fan in a specific room. You should also keep in mind what the future may dictate in terms of additional or larger items. 2 5 wide stove x 100 250 cfm minimum range hood fan size. A ventilation fan should meet at least the minimum size.

However higher cfm ratings require larger diameters of eight to 10 inches. Rounding up to the nearest foot you would therefore need a 12 foot hood. The size of your ducting and your cfm go hand in hand. Take into account the ducting s length shape size and turns to help you work out your range hood cfm.