A non-vented bathroom fan is the answer to your humidity problem if installing a model with wall or ceiling ducts is not a practical option. For example, if you have a basement bathroom or if you live in a rental home that currently doesn’t have a fan, why should you have to deal with the smell and mold that is associated with all that extra moisture from your shower? It’s fair to say that no bathroom should be without some kind of fan.
With these types of fans, you don’t have to worry about poking holes or snapping into the walls. Ductless systems do not require outside ventilation and can be installed on the wall or ceiling. They feature 12v motors that are traditionally removable so they can be easily cleaned.
You will also find that installation is a breeze with these units as they generally have a tension spring mount. Not to mention, they often weigh less than eight pounds.
Why do you need one
While you may be able to live without a bathroom heating fan, you still need some kind of unit in there to help with humidity. When you shower, you create steam that leaves you with a large amount of moisture in the air. Where exactly do you think all that water goes? You actually have nowhere to go other than being sucked into your wood trim, cabinets, fabric shower curtains, rugs, towels, decorative items, or whatever other absorbent material you have in the room.
The moisture that remains in a bathroom that is not ventilated promotes the growth of mold and mildew, and you should know that these are living, growing organisms. Also, the moisture from the shower creates another serious problem with the wood in the room as it burps it up, leading to a larger home improvement project in the long run when you have to start replacing the trim, etc. Not to mention, the smell of mold as it continues to get wet and grow over time is not at all pleasant.
Whenever possible, your goal is to install an exhaust fan made by a reputable company like Greenwood, Silavent, or Xpelair that meets all building codes. However, if you absolutely can’t add the duct system to your bathroom, a non-vented bathroom fan is your next best option.