Having a ventilation fan in your bathroom helps prevent windows and mirrors from getting fogged up, and it can also reduce musty odors and mold. In fact, if you don’t have a fan in your bathroom, you’ve probably found that mold develops relatively quickly. Having a fan won’t completely get rid of this issue, but it will cut down on the frequency with which you need to clean that mold. Plus, it’s nice not to have to wait 10-15 minutes after your shower to use the mirror.


Installing a bathroom fan is not the easiest thing in the world, but if you have a good amount of experience with home improvement tasks, you should be able to do it yourself. These instructions apply to a bathroom below an attic that you have access to.

Step 1: Use your drill to make a reference hole in the spot where you want the fan to be. It’s best to make this spot roughly equidistant from the toilet and shower.

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