Get matched with top ceiling fan pros in Maplewood, MN

Ceiling fans offer multiple benefits for your home. They improve air circulation to prevent stagnant environments and provide cost-effective temperature control, which can reduce reliance on your HVAC system and help lower utility bills. In addition to their functional advantages, ceiling fans can also enhance a room's aesthetic appeal with features like built-in lighting and modern styling.

To determine if your ceiling box can support a fan, you must check if it is specifically fan-rated. Manufacturers are required to indicate this on the box itself. You may need to remove the existing light fixture to look inside the ceiling box for an inscription stating it is rated for fan use. If you do not see this confirmation, the box is likely not strong enough and must be replaced with a fan-rated junction box. For a proper and safe installation, you should also use a fan brace to secure the new box between the ceiling joists, which provides the necessary support for the fan's weight and motion.

Fan power is measured by CFM, or cubic feet per minute. For every 1,000 feet of square footage in your attic, you need a minimum of 700 CFM. Steeper roofs may need larger fans or about 840 CFM.  You can figure the size of attic fan you need by multiplying the square footage of your attic floor by 0.7. (multiply by 1.2 for a steep roof and 1.15 for a dark roof). That number is the CFM required for your fan to run efficiently.

The square footage of your room will dictate the correct ceiling fan blade size. For example: 

• Rooms smaller than 75 square feet require a fan that is 29 to 36 inches.

• Rooms up to 175 square feet require 42- to 48-inch fans.

• Rooms up to 350 square feet require 52- to 56-inch fans.

• Expansive spaces over 350 square feet need a fan larger than 60 inches.