Bathroom Fan Size Matters-
Correct Bath Fan: The rule of thumb is that you need at least 1 CFM per square foot of room area. To determine the square footage of your bathroom, multiply the length times the width. For example, if your bathroom is six feet wide and nine feet long, its square footage is 54. Therefore, it should have a fan rated for at least 54 CFM.
Airflow Facts: Improve indoor air quality by quickly venting moist air outside. Removing moisture from your bathroom helps prevent mold and mildew growth, among other types of moisture damage.
Bathroom fan installation-
A properly installed bathroom exhaust fan will rid the bathroom air of excess moisture, humidity, odors and other pollutants. It also helps to remove water vapor that has accumulated on mirrors and walls. Occupants will be much more comfortable with proper ventilation…
