A ceiling fan downrod is a metal pipe that connects the motor housing to the mounting hardware, stabilizing the ceiling fan and reducing the potential for wobbling. A downrod also aids in proper airflow by ensuring a safe distance between the ceiling fan blades and the ceiling (at least 8 to 10 inches) and between the fan blades and the floor, which requires a minimum distance of 7 feet.

Downrods range in diameter and length, depending on the type of ceiling fan you’re using and its application. Standard ceiling fans include a downrod ranging in length from 3 inches to 6 inches, which is suitable for standard-size rooms with a ceiling height of 8 to 9 feet. However, fan downrods can range all the way up to 177 inches, depending on the manufacturer.

Del Mar Fans & Lighting has created a simple guide to help you find the right ceiling fan downrod length for any room in your home. After reading, browse Del Mar Fans & Lighting’s selection of indoor ceiling fans, outdoor ceiling fans, and fan downrods from leading ceiling fan brands.

HOW TO CALCULATE CEILING FAN DOWNROD LENGTH

Ceiling fans provide optimal airflow when suspended 8 to 9 feet from the floor. Hanging a ceiling fan too high or too low can result in poor airflow in a room, causing your ceiling fan to work harder and use more energy than is necessary. The wrong height can also result in a ceiling fan that looks too small or too large in a room.

The most common method used to find the right downrod length is to take the ceiling height, subtract the height of the ceiling fan, and then subtract the desired hanging height (usually 8 feet). For example, if your ceiling is 10 feet in height, and your ceiling fan is 12 inches in height, you will need a 1-foot downrod to mount the ceiling fan 8 feet above the floor. You can also refer to the downrod length chart below for additional guidance in selecting the right measurement.

Chart Showing Correct Length Downrod For 8' To 15 Foot Ceiling

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Ceiling Height Pole Length
8 Feet No Downrod
9 Feet 6 Inches
10 Feet 12 Inches
11 Feet 18 Inches
12 Feet 24 Inches
13 Feet 36 Inches
14 Feet 48 Inches
15 Feet or greater 60 Inches

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Additional Tips for Choosing a Ceiling Fan Downrod

When selecting a ceiling fan downrod, it’s important to consider the overall length, as well as the diameter, thread, and finish.

  • Interior Diameter – Downrods are commonly available with 1/2-inch interior diameters and 3/4-inch interior diameters. However, some ceiling fan manufacturers, like the Fanimation Fan Company, offer downrods with 1-inch interior diameters. If you are selecting a downrod after purchasing a ceiling fan, verify that the interior diameter of the downrod matches the fan you have at home. To ensure compatibility, choose a downrod from the same manufacturer as your ceiling fan.
  • Threaded vs Non-Threaded – Both threaded downrods and non-threaded downrods are safe to use when you install a ceiling fan in your home. The downrods are secured by hitch pins and set screws, which stabilize the downrod and prevent the rod from swaying.

A Side-By-Side Of A Threaded Downrod Connection And A Non Threaded Downrod Connection

  • Finish - Choose a fan downrod from the same manufacturer as your ceiling fan to ensure the downrod finish and the motor housing finish match. Some ceiling fan manufacturers may not offer a downrod in all available finishes, but they may offer a similar finish to ensure harmony. Many ceiling fan brands offer decorative downrod sleeves that sit on top of the motor housing, which add an eye-catching ornamental detail.

Match The Downrod Finish To The Ceiling Fan's Finish

More Helpful Resources

If you would like to know more about ceiling fan downrods, or have questions about figuring out what size downrod you’ll need for your ceiling fan, please leave a comment below!