Ceiling Fan Downrod Length Guide
Shop downrods by brand how to calculate ceiling downrod length.
Ceiling fan downrod length guide. Length of longest wall is 12 to 15 feet your fan width or blade span should be 40 to 48 inches length of longest wall is more than 15 feet your fan width or blade span should be 52 inches or more. 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. For an 11 foot ceiling we recommend an 18 inch downrod and this will have your blades 8 feet off the ground. A ceiling fan downrod connects the ceiling fan body to the mounting hardware on your ceiling to ensure secure efficient and wobble free performance.
There are a variety of downrods available each with a different length diameter and construction which are all based on the type of ceiling fan it is used with. The length of your downrod depends on the height of your ceiling. Most fans that use 3 4 downrods will slope a maximum of 31 whereas ceiling fans that use 1 2 extension rods will sloped an average of up to 38. Measure the height of your ceiling to determine the mounting option that ll work best for your space.
Downrods or ceiling fan mounting rods allow a ceiling fan to be mounted on either a vaulted or flat ceiling and are available up to 72 inches long. 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. However if you will be mounting your new ceiling fan on a sloped ceiling the 1 2 downrods will allow the fans to slope an average of 7 more than the 3 4 rods will. However fan downrods can range all the way up to 177 inches depending on the manufacturer.
Ceiling fan mounting type in addition to ceiling fan sizes the mounting type you choose is extremely important. For safety reasons a ceiling fan should always hang at least 7 above the floor. If you ceiling is over 9 feet you will need to install a downrod ceiling fan and the length of the downrod will be determined by the height of your ceiling. And this 2 foot pole is perfect for a 12 foot ceiling.
Standard downrods usually come in 3 to 6 inches in length and is ideal for your basic rooms that have a 9 feet ceiling. To calculate the downrod length you need use this simple calculation. When selecting a new or a replacement ceiling fan keep in mind the ceiling height. Ideal for rooms with a ceiling height over 9 feet downrods lower your fan bringing it closer to you and your guests for optimal and efficient comfort.
Also for maximum air flow there should be at least 10 inches of air space between the blades and the ceiling. The ideal fan height from floor to fan blades is approximately 8 feet.