First of all they help to pull those smelly odors out of the room. Next they stop your mirrors from fogging up so much, but more importantly they go along way towards the prevention of mold growth. All that moisture will eventually lead to the black fuzzy looking stuff setting up housekeeping on your bathroom walls and ceiling.

Excessive moisture can damage to your paint or wallpaper and woodwork as well. If left unresolved it can damage sheetrock and cause extensive repairs to have to be made. Mold growing anywhere can be unsightly and not a very healthy situation either.

Installing an exhaust fan now can be a fairly inexpensive solution when compared to the costly consequences of putting it off until later. You can get them at most home improvement stores.

They can be purchased with or without lights. If you have a ceiling light fixture in your bathroom already, you can replace it with a fan/light combination. Or add just the fan in another location. Before you go down to pick one out, be sure to know the measurements of your bathroom so you are able to purchase one that will be strong enough for the size of your room.

A sales person should be able to help you locate one with the right CFM {cubic feet per minute} That information can be found somewhere on the box..

If your going to attempt the installation yourself, take a good look at the tools you will need and all the necessary steps involved to be sure that you are up to the task.

There are several things such as electrical wiring, installing the vent into the ceiling and out of the house through the attic. You might want to consider hiring someone to do it for you. Sometimes this is the best way to go if your not very skilled at do it yourself projects.

Whichever way you decide to go, it will be an inexpensive improvement that will help to dispel a number of things excessive bathroom moisture can cause. It will defiantly be worth the time and money now compared with what it could cost you latet on..