Minimum Height Requirement For Ceiling Fan

If your home has a standard 2400mm ceiling the fan will be able to be installed directly on to the ceiling and will comply with australian standards.

Minimum height requirement for ceiling fan.

For every two inches of ceiling clearance below this minimum airflow through the fan decreases by as much as 25 percent. February 10 2017 by customer service. First off lets break down section r305 to make it easy to follow. The 2018 international residential code also dictates a minimum ceiling height requirement.

Minimum ceiling heights of habitable rooms and spaces shall not be less than established in section 1208 2. Minimum ceiling height in bathrooms is 6 feet 8 inches. Any room with a furred ceiling shall be required to have the minimum ceiling height in two thirds of the area thereof but in no case shall the height of the furred ceiling be less than 7 feet 2134 mm. The international residential code irc establishes the minimum ceiling height requirements by space within section r305.

What is the minimum height for a fan to be installed. If there are any beams in the ceiling then these can be 6 feet 6 inches above the floor as long as they are spaced at least 4 feet apart. Lets look at the 2015 international residential code irc to see how these minimum height requirements apply. Habitable rooms include bedrooms living spaces and kitchens but exclude bathrooms hallways utility spaces and closets.

For example if your ceiling is 12 feet high and your ceiling fan is 12 inches in height you will need a 24 inch downrod to mount the ceiling fan between eight and nine feet above the floor. A ceiling up to 9 feet high requires a standard 3 inch drop rod. It basically identifies 6 main spaces. Most ceiling fans come with three inch downrods that suspend the fan.

Under australian standards the minimum height from floor to the lowest part of the fan needs to be 2100mm. You can also refer to the downrod length chart below for additional guidance in selecting the right measurement. Normally you need to have at least a 7 foot 6 inch ceiling height.