Your ceiling height determines how the fan should be installed.
Opt for a 50–54 inch model for living rooms or large master suites. how to buy a good ceiling fan
The "blade span" or diameter of the fan is critical for effective air movement. Your ceiling height determines how the fan should
A 36–50 inch fan works best for standard bedrooms and kitchens. how to buy a good ceiling fan
Look for fans with a 29–36 inch span, ideal for home offices or laundry rooms.
Choose a fan 60 inches or larger , or consider installing two separate units for even coverage. 2. Choose the Right Mounting Type
Determining the Right Downrod Size for Your Ceiling Fan - City Lights SF