Downrod length by slope guide.
Ceiling fan downrod length guide.
This is ideal because more space between the fan blades and the ceiling will result in better air circulation.
On an 8 foot ceiling we recommend the standard pole which is a 3 4 inch downrod that comes with the fan.
The length of your downrod depends on the height of your ceiling.
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.
These ones are usually designed for larger establishments such as restaurants hotels and other similar venues.
This downrod a 12 inch downrod is perfect for a 10 foot ceiling.
How to calculate ceiling downrod length.
High and vaulted ceilings.
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.
We also recommend the standard downrod on a 9 foot ceiling.
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.
The use of a ceiling fan downrod during installation ensures the appropriate hanging height of eight to nine feet from the floor.
The bigger the fan and or the steeper the slope the longer the downrod.
If your fan includes a 6 inch downrod we recommend it on a 9 foot ceiling.
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.
Of course there are specially made downrods that can measure up to 14 feet depending on the manufacturer.
A good rule of thumb is.
A downrod ranges from 3 to 72 inches in length and is what suspends the fan from the canopy.
Fans will typically come with one or two downrods in different standard lengths.
Drop rod length the optimum mounting height for a ceiling fan is 8 to 9 feet above the floor with a minimum of 7 feet for safety.
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.
Ceiling fans with a standard mount are designed for rooms where the ceiling height is around nine feet.
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.
