However higher cfm ratings require larger diameters of eight to 10 inches.
Exhaust fan size for kitchen in inches.
Rounding up to the nearest foot you would therefore need a 12 foot hood.
A 901 to 1200 cfm fan requires an 8 inch minimum and a 10 to 12 inch duct is recommended.
A 601 to 900 cfm fan requires a 7 inch minimum but an 8 to 10 inch duct is recommended.
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.
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.
2 5 wide stove x 100 250 cfm minimum range hood fan size.
Sizing an exhaust fan kitchen ventilation text.
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.
Use this table to calculate the cubic feet per minute cfm capacity needed for an exhaust fan in a specific room.
A ventilation fan should meet at least the minimum size.
You should also keep in mind what the future may dictate in terms of additional or larger items.
A ventilation fan should meet at least the minimum size.
Tim carter sizing an exhaust fan tips.
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.
Ask the builder.
The size of your ducting and your cfm go hand in hand.