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10 Best Inline Fan For Bathroom 2026 in the United States

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Our Top Picks

#1

Winner

Panasonic WhisperWarm Ceiling Mount Bathroom Exhaust Fan with LED Light & Heater, 50-80-110 CFM, FV-0511VHL1

Rating
10.0
Chosen by1,435
Airflow Capacity (CFM)
Noise Level (Sones)
Installation Type

Most important from
622 reviews

Airflow Capacity (CFM)
The adjustable airflow settings (50, 80, or 110 CFM) cater to different ventilation needs, making it versatile for various bathroom sizes.
Noise Level (Sones)
This fan is incredibly quiet and well-made, offering a combination of heat, light, and night light functionalities.
Installation Type
The collapsible mounting bracket and electrical connections make it easy to install, even without attic access.
Additional Features
The built-in heater provides a significant amount of warmth, perfect for chilly bathrooms.

The Panasonic FV-0511VHL1 WhisperWarm DC Bathroom Fan is a versatile option that combines ventilation and heating, making it ideal for colder bathrooms. With adjustable airflow capacity ranging from 50 to 110 CFM, it caters to various bathroom sizes and ventilation needs.

The Pick-A-Flow technology simplifies selecting the right airflow for your space, ensuring optimum performance without hassle. The fan also includes a built-in 1600W positive temperature coefficient heater, which provides additional warmth during chilly months, adding to its functionality.

The ECM motor enhances energy efficiency while maintaining strong performance, making it a cost-effective option in the long run. Additionally, the Flex-Z Fast bracket allows for quick and flexible installation, which is a plus for home improvement enthusiasts who prefer DIY projects.

Rating
10.0
Chosen by1,435
Airflow Capacity (CFM)
Noise Level (Sones)
Installation Type

Most important from
622 reviews

Airflow Capacity (CFM)
The adjustable airflow settings (50, 80, or 110 CFM) cater to different ventilation needs, making it versatile for various bathroom sizes.
Noise Level (Sones)
This fan is incredibly quiet and well-made, offering a combination of heat, light, and night light functionalities.
Installation Type
The collapsible mounting bracket and electrical connections make it easy to install, even without attic access.
Additional Features
The built-in heater provides a significant amount of warmth, perfect for chilly bathrooms.
#2

Fantech PB370-2 Series Vent Two Locations - one Fan Width 17, Height 17, Depth 22, USA, Inline Bath Fan Kit, Low Noise (Low Sone), 370 CFM, Remote Mount Fan, Vent Two Locations - one Fan

Rating
9.4
Installation Type

Most important from
16 reviews

Installation Type
Installation was hindered by multiple instances of spot welds failing on the fan housings, requiring several replacement parts.

The Fantech PB370-2 Series Inline Bath Fan is designed to effectively ventilate two locations with a single fan unit, making it a good choice for larger bathrooms or those with separate shower and toilet areas. One of its strong points is the high airflow capacity of 370 CFM, ensuring efficient air extraction to reduce moisture and odors. Additionally, the fan is equipped with an external rotor motor by ebm-papst, known for its reliability and performance.

The product boasts low noise levels, which means it operates quietly, an essential feature for maintaining a peaceful bathroom environment. Its lightweight design and modern style add to its appeal, making it easier to install and aesthetically pleasing. However, the product is unfinished, which might require additional effort or cost to match your bathroom decor. While it is energy-efficient, the wattage stands at 120 watts, which is relatively standard for fans in this category.

The fan is compatible with various duct sizes, offering flexibility during installation. The key advantage is its ability to ventilate two locations simultaneously, although this might require more complex installation compared to single-location fans. This fan is most suitable for those looking to ventilate larger or dual-section bathrooms efficiently and quietly. Despite its strengths, users should consider the installation complexity and additional finishing work required.

Rating
9.4
Installation Type

Most important from
16 reviews

Installation Type
Installation was hindered by multiple instances of spot welds failing on the fan housings, requiring several replacement parts.
#3

Voltset 6 Inch Duct Fan, Inline Ventilation Exhaust Fan, 390 CFM Duct Intake High Efficiency Air Fan for Vent Bathroom, Kitchen, Grow Tent, Hydroponics, 3D Printer

Rating
9.1
Airflow Capacity (CFM)
Noise Level (Sones)
Additional Features

Most important from
454 reviews

Airflow Capacity (CFM)
This fan moves an incredible amount of air, making it ideal for maintaining air quality.
Noise Level (Sones)
The fan is very powerful and operates quietly, enhancing the user experience.
Additional Features
The remote control works perfectly even through walls, making it highly convenient.

The Voltset 6 Inch Duct Ventilation Fan is designed to offer efficient air circulation and ventilation for bathrooms. With an airflow capacity of 390 CFM, it provides robust air movement which is suitable for medium to large-sized bathrooms. Operating at a noise level of 40 dB, it maintains a quiet environment, which is a plus for residential use. Its high-efficiency motor at 2250 RPM ensures fast air exchange, improving indoor air quality effectively.

The fan is energy efficient, consuming 75 watts, making it cost-effective over long-term usage. Compatibility with standard 6-inch ducts and easy installation via a switch metal ring further adds to its convenience. Additional features like the lightweight design (4.5 pounds) and the use of hard plastic for durability make it a practical choice. However, it has only one power level and is not cordless, which may limit flexibility for some users.

The control method via an app offers modern convenience, although it may require some tech-savviness. It’s backed by a one-year warranty and responsive customer service, ensuring peace of mind. This fan is ideal for users looking for an efficient, quiet, and easy-to-install ventilation solution for bathrooms and other indoor spaces.

Rating
9.1
Airflow Capacity (CFM)
Noise Level (Sones)
Additional Features

Most important from
454 reviews

Airflow Capacity (CFM)
This fan moves an incredible amount of air, making it ideal for maintaining air quality.
Noise Level (Sones)
The fan is very powerful and operates quietly, enhancing the user experience.
Additional Features
The remote control works perfectly even through walls, making it highly convenient.

Buying Guide for the Best Inline Fan For Bathroom

Choosing the right inline fan for your bathroom is crucial for maintaining good air quality and preventing moisture-related issues like mold and mildew. An inline fan is installed in the ductwork and is designed to pull air from the bathroom and expel it outside. To make an informed decision, you need to consider several key specifications that will ensure the fan meets your needs and performs efficiently.
Airflow Capacity (CFM)Airflow capacity, measured in cubic feet per minute (CFM), indicates how much air the fan can move. This is important because it determines how effectively the fan can ventilate your bathroom. For small bathrooms (up to 50 square feet), a fan with 50 CFM is usually sufficient. Medium-sized bathrooms (50-100 square feet) typically require 70-90 CFM, while larger bathrooms (over 100 square feet) may need 100 CFM or more. To pick the right one, measure your bathroom's square footage and choose a fan with a corresponding CFM rating.
Noise Level (Sones)The noise level of a fan is measured in sones, with lower numbers indicating quieter operation. This is important for comfort, especially if the fan will be used frequently or for extended periods. Fans with a noise level of 1.5 sones or less are considered very quiet, while those with 1.5 to 3 sones are moderately quiet. Fans above 3 sones can be quite loud. If you prefer a quieter bathroom environment, opt for a fan with a lower sone rating.
Energy EfficiencyEnergy efficiency refers to how much electricity the fan uses to operate. This is important for reducing energy costs and environmental impact. Look for fans with the ENERGY STAR label, which indicates they meet strict energy efficiency guidelines. More efficient fans will use less power while providing the same or better performance. If you are concerned about energy consumption, choose an ENERGY STAR-rated fan.
Duct Size CompatibilityDuct size compatibility ensures that the fan can be properly connected to your existing ductwork. This is important for optimal performance and ease of installation. Common duct sizes for bathroom fans are 4, 6, and 8 inches in diameter. Check the size of your current ductwork and choose a fan that matches. If you are installing new ductwork, you may have more flexibility in choosing the duct size.
Installation TypeThe installation type refers to how and where the fan is installed. Inline fans can be mounted in the attic, between floors, or in a crawl space. This is important for ensuring the fan fits your specific installation scenario. Consider the layout of your home and the available space when choosing an installation type. If you have limited space, a compact inline fan may be the best option.
Additional FeaturesAdditional features can enhance the functionality and convenience of the fan. These may include humidity sensors, timers, and multi-speed settings. Humidity sensors automatically turn the fan on and off based on moisture levels, which is useful for preventing mold. Timers allow you to set the fan to run for a specific period, ensuring it doesn't run longer than necessary. Multi-speed settings let you adjust the fan's performance based on your needs. Consider which features are important to you and choose a fan that offers them.

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