Ceiling Fan Height Rule
Ceiling fans should be hung at a height so that the blades are at least 7 feet above the floor.
Ceiling fan height rule. Mounted to the ceiling this option is ideal for rooms with low ceilings. Install your fan so that the blades are at least 7 feet from the floor. If possible install the fan so that the blades are 8 9 above the floor. The blade span is the farthest distance between two tips of the blades.
Most ceiling fans come with a short downrod about 3 4 inches in length. Most ceilings are 8 feet high. Wink wink nod nod say no more. The optimum mounting height for a ceiling fan is 8 to 9 feet above the floor with a minimum of 7 feet for safety.
For rooms 75 square feet or smaller your ceiling fan should be 36 inches 91 4 cm or less in diameter. The most common method used to find the right downrod length is to take the ceiling height subtract the height of the ceiling fan most fans are between 12 and 18 inches in height depending on the fan and then subtract the desired hanging height usually eight feet. For rooms between 75 and 144 square feet your ceiling fan should have a diameter of 36 to 42 inches. Fans mounted too close to the ceiling will trap or move less air around the space.
Generally arms go into them once per person if over a bed take extra care while fan is on. 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. Ceiling fans and ceiling height. A ceiling fan s blade span should coordinate with the room s size and function.
For ceilings that are 8 feet or less in height consider a hugger low profile fan to keep the fan blades from being too low.