A downrod ranges from 3 to 72 inches in length and is what suspends the fan from the canopy.
Ceiling fan downrod length guide.
This is ideal because more space between the fan blades and the ceiling will result in better air circulation.
How to calculate ceiling downrod length.
However some manufacturers will include a 6 inch downrod.
Also for maximum air flow there should be at least 10 inches of air space between the blades and the ceiling.
On an 8 foot ceiling we recommend the standard pole which is a 3 4 inch downrod that comes with the fan.
Hunter fans are compatible with single threaded downrods while hunter original fans require a double threaded downrod.
Standard downrods usually come in 3 to 6 inches in length and is ideal for your basic rooms that have a 9 feet ceiling.
The use of a ceiling fan downrod during installation ensures the appropriate hanging height of eight to nine feet from the floor.
Fans will typically come with one or two downrods in different standard lengths.
Ceiling height in feet minus 9 includes the fan height downrod length for example if your ceiling is 12 high you will need a 3 downrod to ensure the fan is positioned at the proper height.
This downrod a 12 inch downrod is perfect for a 10 foot ceiling.
The bigger the fan and or the steeper the slope the longer the downrod.
For safety reasons a ceiling fan should always hang at least 7 above the floor.
A good rule of thumb is.
Most ceiling fan manufacturers include a short downrod in the box but to install a ceiling fan safely on a vaulted or cathedral ceiling you will need to have a total downrod length of at least 12 inches.
Of course there are specially made downrods that can measure up to 14 feet depending on the manufacturer.
Ceiling fans with a standard mount are designed for rooms where the ceiling height is around nine feet.
If your fan includes a 6 inch downrod we recommend it on a 9 foot ceiling.
9 ft ceiling 6 in downrod 10 ft ceiling 12 in downrod 12 ft ceiling 24 in downrod 14 ft ceiling 36 in downrod 16 ft ceiling 48 in downrod 18 ft ceiling 60 in downrod 20 ft ceiling 72 in downrod.
The length of your downrod depends on the height of your ceiling.
Downrod length by slope guide.
High and vaulted ceilings.
The most common method used to find the right downrod length is to take the ceiling height subtract the height of the ceiling fan most fans are between 12 and 18 inches in height depending on the fan and then subtract the desired hanging height usually eight feet.
We also recommend the standard downrod on a 9 foot ceiling.
These ones are usually designed for larger establishments such as restaurants hotels and other similar venues.