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Bath Ventilation Fans

Humidity-Sensing Bath Fans

Humidity-sensing bath fans detect increases in moisture levels at the ceiling, where steam and humidity naturally rise. The fan turns on and off automatically to help prevent cosmetic and structural problems from excess moisture.

What Sones Tell You About Fan Noise Level

The amount of noise a fan makes is an important consideration in choosing your fan. Be sure to check the sone rating. The lower the sone rating, the quieter the fan will be. A quiet bathroom fan will be rated at about 1.5 sones or less, which is about the sound of a quiet refrigerator.

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What to Look for in a Bath Fan

When installing or replacing a bath fan, consider features like size, sound level, heater, night light, timer and bath fan style.      

Project Guides

We'll guide you through any bath fan project you undertake, from finding the right size bath fan to selecting the best features and installing it right the first time.


Discover what people are saying about bath fans and bathroom humidity sensors in our bulletin board forums. Share and be inspired.      

Shop The Home Depot for Bath Fans & Accessories

The Home Depot is the place to shop for all your bathroom fan needs. Need a bathroom fan with a light? We’ve got it. A wall mount exhaust fan? Check. A bit chilly and need a bath fan with heater or a bath fan with light and heater? Come in and shop a wide selection, or order it online and pick it up in store. From exhaust fans with lights to bath ceiling fans, The Home Depot offers a large selection, at great value.      

Plus, you can count on The Home Depot for the expert advice you need to do the job right. For example, if you need help learning how to install a bath fan, selecting a fan that has the best features, or replacing an existing bathroom fan, check out The Home Depot Project Guides. We will guide you every step of the way. When you’re in the store, the knowledgeable associates at The Home Depot can help you choose the bath fan that best meets your individual needs.