Measure the length and width of your room, then simply multiply the measurements together. This will give you the square footage of your room. When looking at the diameter of different brands of fan, you may find the diameter of its span listed as its “sweep. "
For rooms 75 square feet or smaller, your ceiling fan should be 36 inches (91. 4 cm) or less in diameter. For rooms between 75 and 144 square feet, your ceiling fan should have a diameter of 36 to 42 inches. For larger rooms, with a square footage around 225, a 50 to 54 inch (130 to 140 cm) blade span, or even larger, are best.
The American Lighting Association recommends that you should put a ceiling fan at least 7 feet (2. 1 m) above the floor. This means that you should probably not install a ceiling fan in a room that has a very low ceiling. It also means that you need to look at the drop of any ceiling fans you are considering, making sure that the lowest point of the fan will be above 7 feet (2. 1 m) at minimum. Most ceiling fans come with an optional down rod, an attachment that can lower the fan away from the ceiling. [5] X Trustworthy Source EDIS Electronic database of the University of Florida Institute of Food and Agricultural Sciences’s peer-reviewed articles Go to source If you have very tall ceilings, you may want to use it so that the fan can move the air in the room efficiently. For low ceilings, you will want to flush-mount the fan. If your ceilings are very close to 7 feet (2. 1 m) tall, there are even some “hugger” or “low-profile” models. [6] X Trustworthy Source Energy Star Program run by the U. S. Environmental Protection Agency and Department of Energy focused on educating consumers about energy efficiency Go to source
If you have obstacles that cannot be moved, you may need to downsize the size of ceiling fan you install.
You may want a ceiling fan that has a light integrated into it, so that it can function as a light and a fan. [8] X Expert Source Kevin TurnerCommercial Handyman Expert Interview. 15 July 2020. Ceiling fans with light kits, the term for the light fixtures attached to the bottom, will usually have a greater depth. This means that you need an even higher ceiling for a ceiling fan with a light on it, than one with without.
If you are concerned about a fan standing out in a space, and you are determined to get a certain size, try getting your ceiling fan in a color that matches the ceiling. It will stand out less than one in a bright or shiny color. Remember that ultimately, the diameter of your ceiling fan blades have to be compatible with the area of your ceiling.
Check if there is a power connection to the ceiling or you have to put a new electrical line and switch to run the fan. [10] X Expert Source Kevin TurnerCommercial Handyman Expert Interview. 15 July 2020. While all ceiling fans should have additional supports added to the electrical box they are connected to, larger ceiling fans usually weight more and thus will need stronger support to hang from. The manual that comes with your fan should have recommendations for ceiling supports. If you are unsure if you have enough support for the ceiling fan you choose, you might consider hiring an electrician to check and add any additional supports in the ceiling that are necessary. The weight of your ceiling fan will be dramatically different depending on its size. The weight is particularly determined by the size of the motor. A larger, stronger motor will weight a lot more than a weaker, smaller motor.
