How To Determine Ceiling Fan Size Needed

Ceiling fans come in a variety of sizes ranging from 30 inches for small rooms to 70 inches for larger rooms.

How to determine ceiling fan size needed.

To meet building codes the bottom of the fan should be at least seven feet off the floor. For adequate air circulation the fan blades should hang 8 inches or more from the ceiling. To determine the square footage of the room or the area multiply the length of the room in feet by the width of the room in feet. The total you receive from this calculation is the size of your room in square feet.

For higher ceilings you can use fans with downrods such as the ball ceiling fan to achieve the right height. Fans that measure 52 inches are the most commonly used. More importantly though you ll need to choose the right size ceiling fan according to the size of the room. Conversely spaces in the home with limited ceiling to floor height think bedrooms offices breakfast nooks etc require a low profile or flushmount ceiling fan.

Whether exhausting air or bringing fresh air into a structure the calculation produced should help to figure out the size of fan s required to accomplish the air exchanges needed. That basic formula for an average size bathroom needs a little tweaking if the ceiling stretches past the standard 8 foot height. Ceiling fans can be crucial for cooling your home or circulating air in a stuffy room while also providing a dynamic fixture for decoration if you want to install a new ceiling fan or replace an old one you need to select the right size fan for the size of the room. Use a standard measuring tape.

Calculate the full blade span. This fan calculator is typically used to calculate the cfm or cubic feet per minute of air exchange that may be desired in a building. Eight to nine feet will allow for optimal circulation. A small 10 x 10 room could accommodate a 48 to 72 fan.

If it has an even number of blades measure your fan from the tip of one blade to the tip of the blade directly opposite it. This guide reviews how to measure for a ceiling fan and choose between the different ceiling fan types. The size of a ceiling fan is determined by the size of the room or the area which you are looking to cool. For safety the bottom of the fan needs to be at least 7 feet above the floor.

Leave at least 2 or 3 feet of space between the end of the fan blade to the closest wall to determine the largest size fan you can put in a room 3 feet for ceilings 9 feet or less 2 feet for higher ceilings.