Ceiling Fan Downrod Length Guide

Ceiling fans with a standard mount are designed for rooms where the ceiling height is around nine feet.

Ceiling fan downrod length guide.

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. Of course there are specially made downrods that can measure up to 14 feet depending on the manufacturer. This will keep the blades at least 7 feet off the ground.

These ones are usually designed for larger establishments such as restaurants hotels and other similar venues. Also for maximum air flow there should be at least 10 inches of air space between the blades and the ceiling. 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. A good rule of thumb is.

For safety reasons a ceiling fan should always hang at least 7 above the floor. Fans will typically come with one or two downrods in different standard lengths. This downrod a 12 inch downrod is perfect for a 10 foot ceiling. We also recommend the standard downrod on a 9 foot ceiling.

This is ideal because more space between the fan blades and the ceiling will result in better air circulation. The length of your downrod depends on the height of your 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 bigger the fan and or the steeper the slope the longer the downrod.

A downrod ranges from 3 to 72 inches in length and is what suspends the fan from the canopy. How to calculate ceiling downrod length. 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. See below to help calculate the ideal downrod length.

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. 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. High and vaulted ceilings. However some manufacturers will include a 6 inch downrod.

If your fan includes a 6 inch downrod we recommend it on a 9 foot ceiling.