Although a bathroom may be one of the smallest rooms in the home, it plays a crucial role in our everyday lives. From hot showers that fill the air with steam to personal care routines that keep us feeling our best, bathrooms see a lot of use and moisture.
Without proper ventilation, this moisture can lead to mold growth, mildew, and a lingering, stuffy odor that no air freshener can eliminate. These issues don't just make your bathroom unpleasant; over time, they can compromise the integrity of paint, drywall, and other materials, leading to costly repairs.
Bathroom exhaust fans are the ultimate solution to these issues. This guide will explain how they work, why they're needed, and what factors to consider when buying one.
- What Is a Bathroom Exhaust Fan?
- Why Would a Home Need a Bathroom Exhaust Fan?
- Key Factors to Consider When Buying a Bathroom Fan
- Top Bathroom Exhaust Fans
- FAQs About Bathroom Exhaust Fans
- Does My Home Need a Bathroom Exhaust Fan?
What Is a Bathroom Exhaust Fan?
A bathroom exhaust fan is a ceiling-mounted ventilation fan, sometimes paired with a light or heater, that removes excess moisture and odors that naturally develop in damp, enclosed spaces.
The fan channels indoor air through a dedicated duct, usually installed in the ceiling or wall, directly outdoors to improve indoor air quality, protect surfaces and fixtures from moisture damage, and create a more pleasant bathroom environment.
Why Would a Home Need a Bathroom Exhaust Fan?
Moisture Control
An effective bathroom exhaust fan rapidly removes moisture that accumulates when showering or bathing, preventing the growth of mold and mildew that can lead to foul odors, respiratory issues, and expensive remediation.
Odor Elimination
A bathroom exhaust fan swiftly clears the air of bad smells, which is particularly beneficial if multiple people share a bathroom.
Improved Air Quality
Good ventilation goes beyond moisture and odor control. It also removes other airborne contaminants, like cleaning fumes. This helps maintain a healthier environment for everyone in the household.
Learn more about the benefits of adding or upgrading a bathroom fan to your home with Sylvane's article, Why You Should Upgrade Your Bathroom Fan.
Key Factors to Consider
Given the range of options, selecting the right bathroom exhaust fan can feel overwhelming. However, focusing on a few key factors can help simplify the decision-making process.
CFM (Cubic Feet per Minute)
The CFM rating indicates how much air the fan can move in one minute. Typically, you want roughly 1 CFM per square foot of bathroom space, with some adjustments for higher ceilings. Undersizing or oversizing your fan can have negative effects that you'll want to avoid.
Sylvane's bathroom exhaust fan sizing guide has more information about fan sizing measurements and requirements.
Noise Level (Sones)
A bathroom exhaust fan's noise level is measured in sones. The lower the sone rating, the quieter the fan. If your household values a quiet atmosphere, look for fans in the 1.0 to 1.5 sone range. Fans above 3.0 sones may be too loud for some preferences.
Energy Efficiency
Like many modern appliances, bathroom exhaust fans can be certified Energy Star. This certification signifies that the model meets specific standards for energy conservation, helping you reduce utility bills in the long run.
Size and Mounting
Before purchasing, carefully check the fan's dimensions. Most fans are designed for standard-sized cutouts, but verifying measurements can prevent surprises. Additionally, determine if you need a ceiling-mounted or wall-mounted unit. Ceiling mounts are standard, but some homes require a wall mount due to structural limitations or ease of duct routing.
Extra Features
Today's exhaust fans often include built-in lights, heaters, humidity sensors, motion sensors, and even night lights.
Budget
Basic bathroom exhaust fans can be relatively affordable, ranging from around $50 to $100. However, more advanced models featuring lighting and sensors can surpass $200. Before finalizing your purchase, decide which bells and whistles matter most.
Top Bathroom Exhaust Fan Models
To help you narrow down your choices, here's a curated list of popular bathroom exhaust fan models, each offering unique features and benefits:
Broan RB Ultra Pro Series Energy Star Bathroom Exhaust Fan
Key Features: This Energy Star-rated fan stands out for its high energy efficiency and quiet operation. It fits standard ceiling cutouts, making it relatively easy to install in most homes. This bathroom fan is available with or without LED lights.
Ideal For: Energy-conscious homeowners looking for a balance of performance and noise reduction. This is a solid option if you're concerned about electricity costs or want to lower your carbon footprint.
Hunter Huntley Bathroom Fan
Key Features: Known for its decorative design and quiet performance, the Hunter Huntley offers an unobtrusive fan option that blends seamlessly with your bathroom décor. It effectively ventilates and lights up your bathroom while remaining stylish.
Ideal For: Anyone prioritizing aesthetics in their bathroom. If you're tired of unsightly plastic grille covers, the Hunter Huntley provides a more appealing alternative.
Canarm 70 CFM Bathroom Exhaust Fan (Up to 75 Sq. Ft.)
Key Features: This budget-friendly bathroom fan is straightforward to install and sized for smaller to medium bathrooms. It has a decent 70 CFM airflow capacity and operates without too much noise.
Ideal For: Homeowners on a budget who want a reliable, basic solution for controlling moisture in a modestly-sized bathroom.
Broan 791LEDM 110 CFM Single Speed Bathroom Exhaust Fan
Key Features: This model combines robust 110 CFM airflow powered by an efficient DC motor, with integrated LED lighting. The LED lights are on the perimeter of the grille, brightening the space while using far less energy than traditional bulbs.
Ideal For: Anyone who wants to maximize ventilation power and illumination, particularly in larger bathrooms or bathrooms without natural light.
Good Housekeeping Opera 110 CFM Decorative Bathroom Fan
Key Features: Featuring a decorative cover, this fan combines style with functionality to add a touch of elegance to your bathroom ceiling. Despite its attractive design, it still delivers a strong 110 CFM airflow.
Ideal For: Homeowners who want a fan that doesn't just blend into the ceiling but enhances the overall bathroom aesthetic.
Broan EVOLVE Premium 110-130-150 CFM Bathroom Exhaust Fan
Key Features: The Broan EVOLVE has adjustable CFM settings (110, 130, or 150), allowing you to match airflow to your bathroom's changing needs. It also operates at an ultra-quiet noise level, ensuring minimal disturbance.
Ideal For: Larger bathrooms or anyone who wants the freedom to switch between different ventilation strengths without sacrificing a peaceful environment.
FAQs About Bathroom Exhaust Fans
Do bathroom exhaust fans need to be vented outside?
Yes. Bathroom exhaust fans are designed to vent outside. Removing the humid air from the room helps prevent mold, mildew, and structural damage.
What is the difference between a bathroom ventilation fan and an exhaust fan?
A bathroom ventilation fan is a type of exhaust fan specifically designed to clear bathroom air of moisture and odors.
There are many types of exhaust fans for different areas of the home; you can learn about them in Sylvane's Exhaust Fan Buying Guide.
Is a higher CFM better in a bathroom exhaust fan?
Not necessarily. While a higher CFM means a more powerful airflow, you want to choose a fan that matches your bathroom size. Oversizing the fan could lead to higher energy costs without added benefits.
Is it bad to oversize a bathroom exhaust fan?
Yes, in many cases. Oversized fans can be louder, more expensive to operate, and remove conditioned air unnecessarily. The best practice is to match the fan's CFM to your bathroom's square footage.
Does My Home Need a Bathroom Exhaust Fan?
A well-chosen bathroom exhaust fan can make all the difference in preventing mold, mildew, and unpleasant odors from accumulating in one of the home's most humid spaces.
By matching the right fan to your bathroom's dimensions, paying attention to noise levels, looking for an Energy Star rating, and considering the range of special features available, you can secure a ventilation solution tailored to your needs. With the correct bathroom exhaust fan, you'll enjoy a fresher space that stands the test of time—aesthetically and structurally.
Still trying to figure out the best bathroom exhaust fan? Call our team of product experts at 1-800-934-9194 for product recommendations and support.