If your bathroom walls are prone to suffering from mold and mildew, an exhaust fan may be your ideal solution. An exhaust fan draws moist air out of your bathroom before it has time to condense. A broad range of fans are available for purchase and you must take the time to carefully consider the options available to you if you are to win your battle against mold and mildew build up.
Choosing an Exhaust Fan
The first step in choosing an exhaust fan is to determine the type of fan you require. You’ll need to consider the location in which you’ll mount your fan and whether you desire your fan to have built-in light fixtures, timers and heating elements.
For your fan to adequately remove humidity, it must be capable of moving air. The amount of air that your fan moves is measured in cubic feet per minute (CFM). The higher the quality of your chosen fan, the more air it should be able to move. It’s recommended that you purchase a fan with one CFM per square foot of bathroom space. However, if your bathroom is larger than 100 square feet, you’ll need to add up the CFM needs of each of your bathroom fixtures to calculate an adequate CFM for your fan. Your toilet, shower and bathtub are each associated with 50 CFMs.
The amount of noise you fan makes will be a concern, particularly if you’re sensitive to the slightest of sounds. Exhaust fan noise is measured in a unit called sones, with quiet models producing around 0.5 sones of noise.
Installing Your Exhaust Fan
If you’ve chosen a bathroom exhaust fan with built-in lighting, you can mount it in same location as your original ceiling lighting. If, however, you don’t wish to replace your overhead lighting, you’ll need to create an opening for your fan. Once you’ve determined the size of the hole you’ll need to make, you’ll need to cut into the plasterboard with a jab saw. The hole doesn’t need to be perfectly sized since the outside of your fan should cover any mistakes.
Before wiring in your fan, you’ll need to inspect the wiring that leads to your bathroom’s main light. You’ll need to connect your exhaust fan wiring to your household wiring by following the instructions provided with the fan. If you’re not a proficient electrician, it’s recommended that you contact a professional. Once your fan is connected up to your mains electricity, you’ll need to install the ventilation duct. This duct must run from your fan to the closest roof soffit leading to the outside of your home.