For every two inches of ceiling clearance below this minimum airflow through the fan decreases by as much as 25 percent.
Minimum height for ceiling fan.
However fan downrods can range all the way up to 177 inches depending on the manufacturer.
Section r305 1 1 indicates the minimum ceiling height for basements without habitable spaces and hallways.
Ceilings and ceiling fans.
The minimum ceiling height for ceiling fan from the floor should be 2 1m and the maximum ceiling fan height from floor should be somewhere between 8 9 feet.
Online sources say there should be at least 7 ft.
Most ceiling fans come with three inch downrods that suspend the fan blades.
From the blades to the floor and that more is better.
So whatever your ceiling height is in feet buy a downrod that will put the top base of the fan at 10 feet.
From the top of the motor housing to the lowest part of the blades the fans hang 295mm from the ceiling.
Basements without habitable spaces and hallways shall have a minimum ceiling height of no less than 6 feet 8 inches.
Shop downrods by brand how to calculate ceiling downrod length.
Under australian standards the minimum height from floor to the lowest part of the fan needs to be 2100mm.
While not ideal there are many houses with both 8 ft.
You will want your new ceiling fan to hang between 8 and 9 above the floor regardless of ceiling height.
The optimum mounting height for a ceiling fan is 8 to 9 feet above the floor with a minimum of 7 feet for safety.
That said i couldn t find a code reference for a minimum ceiling fan height from the floor.
Most fan bodies including mounting hardware are 8 to 12 inches.
One can always choose the downrod length based on the ceiling height and the above metrics.
Minimum ceiling height for basements with no habitable spaces section r305 1 1.