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.
What is the minimum height for a fan to be installed.
So whatever your ceiling height is in feet buy a downrod that will put the top base of the fan at 10 feet.
Section r305 1 1 indicates the minimum ceiling height for basements without habitable spaces and hallways.
If your home has a standard 2400mm ceiling the fan will be able to be installed directly on to the ceiling and will comply with australian standards.
The optimum mounting height for a ceiling fan is 8 to 9 feet above the floor with a minimum of 7 feet for safety.
Most ceiling fans come with three inch downrods that suspend the fan blades.
Standard ceiling fans include a downrod ranging in length from 2 inches to 10 inches which is suitable for standard size rooms with a ceiling height of eight to nine feet.
Make sure you take into account the distance that the fan hangs from the ceiling.
Minimum ceiling height for basements with no habitable spaces section r305 1 1.
Under australian standards the minimum height from floor to the lowest part of the fan needs to be 2100mm.
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.
However fan downrods can range all the way up to 177 inches depending on the manufacturer.
Basements without habitable spaces and hallways shall have a minimum ceiling height of no less than 6 feet 8 inches.
For safety a minimum height of 7 9 is recommended.
While not ideal there are many houses with both 8 ft.
From the blades to the floor and that more is better.
If your fan does not meet the 7 recommendation you can look into a low ceiling mount.
Building codes in your area may require this.
Online sources say there should be at least 7 ft.
One can always choose the downrod length based on the ceiling height and the above metrics.
You will want your new ceiling fan to hang between 8 and 9 above the floor regardless of ceiling height.