Features of Bathroom Exhaust Fan
- Powerful Airflow for All Spaces:High CFM bathroom exhaust fans provide a stable and continuous airflow, effectively removing moisture and odors from bathrooms of all sizes.
- Whisper-Quiet Operation:Employs advanced low-noise technology to effectively reduce operating vibration and noise, achieving quiet, stable, and efficient bathroom exhaust fan performance..
- Industrial-Grade Brushless EC Motor:Uses a high-quality brushless EC motor for stable operation and supports continuous operation for extended periods.
- Eco-Friendly Energy Efficiency :Through a high-efficiency motor and optimized duct structure, it ensures an exhaust fan for bathroom that delivers maximum airflow while effectively reducing energy consumption.
- Flexible & Seamless Installation:Offers multiple installation methods and flexible duct connection options to meet the needs of different bathroom sizes and ventilation requirements.
- Customizable Smart Modules:Supports optional modules such as humidity sensors, human body sensors, and LED lighting to meet diverse usage needs.
Bathroom Exhaust Fan Manufacturer in China
Are you still troubled by the perpetual dampness, mold, and odors in your home bathroom? Our bathroom exhaust fans can help you solve these problems. With their high performance and low noise, Aosun bathroom exhaust fans can quickly remove moisture and odors without disturbing your family’s rest.
Aosun is a professional bathroom exhaust fan manufacturer with 12+ years of experience, specializing in OEM/ODM ventilation solutions.As a Chinese manufacturer of bathroom exhaust fans, Aosun focuses on the research and development and production of bathroom ventilation products, offering a variety of specifications and structural solutions to suit different bathroom sizes, airflow requirements, and installation conditions. Our products are designed with voltage standards, installation conditions, and usage habits in different countries in mind, allowing for flexible adaptation to global market demands.
- Technical Specifications
- Installation Dimension
| Model | Size (mm) | Voltage (V) | Frequency (Hz) | Current (Amps) | Power (W) | Rotated Speed (rpm) | Airflow (m³/h) | Air Pressure (Pa) | Noise dB(A) |
| WW-100R | 100 | 220-240 | 50 | 0.072 | 12 | 2400 | 95 | 36 | 31 |
| 110-120 | 60 | ||||||||
| WW-125R | 125 | 220-240 | 50 | 0.11 | 16 | 2200 | 150 | 45 | 31 |
| 110-120 | 60 | ||||||||
| WW-150R | 150 | 220-240 | 50 | 0.138 | 18 | 2000 | 250 | 60 | 32 |
| 110-120 | 60 | ||||||||
| WW-100Y | 100 | 220-240 | 50 | 0.072 | 12 | 2400 | 130 | 36 | 31 |
| 110-120 | 60 | ||||||||
| WW-125Y | 125 | 220-240 | 50 | 0.11 | 16 | 2200 | 150 | 45 | 31 |
| 110-120 | 60 | ||||||||
| WW-150Y | 150 | 220-240 | 50 | 0.138 | 18 | 2000 | 320 | 60 | 32 |
| 110-120 | 60 |
Selection Tip:
100 mm models are suitable for small bathrooms (≤6 m²)
125 mm models fit standard residential bathrooms
150 mm models are recommended for commercial or high-humidity spaces
| Model | A | B | C | D |
| WW-100I | 157 | 157 | 72 | 100 |
| WW-150I | 207 | 207 | 75 | 150 |
| WW-200I | 255 | 255 | 85 | 200 |
| WW-75F | 157 | 157 | 72 | 100 |
| WW-100F | 207 | 207 | 75 | 150 |
| WW-150F | 255 | 255 | 85 | 210 |
| WW-200F | 255 | 255 | 85 | 200 |
Note: The above dimensions are for reference only. Please refer to the product for actual dimensions.
What Is a Bathroom Exhaust Fan?
The bathroom exhaust fan is a mechanical ventilation device specifically designed for bathroom ventilation. It can quickly remove humid air, steam, and odors from the bathroom to the outside, addressing the root cause of dampness in the bathroom.
Working principle of bathroom exhaust fan
The ventilation fan generates negative pressure through its built-in motor and impeller, drawing in moisture, hot air, and odors from the bathroom. The drawn-in air is discharged outdoors through a duct or a direct outlet,creating air circulations.Quickly reduce humidity in the bathroom and improve air quality.
Why must bathrooms have exhaust fans?
The bathroom is one of the most humid spaces in homes, and natural ventilation alone is not enough to solve the problem of humidity.Prolonged dampness in the bathroom can lead to: mold growth on walls and ceilings, fogging of mirrors, corrosion of metal parts, and lingering odors. Bathroom exhaust fans can quickly remove humid air, keeping indoor humidity within a safe range.They can prevent damage to renovations and safety risks, and reduce maintenance costs. They also inhibit mold growth, keeping the bathroom dry and fresh.
Bathroom exhaust fan vs natural ventilation
The bathroom exhaust fan can maintain stable ventilation around the clock, rapidly removing indoor moisture and odors while inhibiting mold growth to maintain fresh air. It is widely applicable, including in windowless bathrooms. Additionally, it can be equipped with various modules such as LED lighting, heating, and smart sensing, to meet diverse needs and enhancing overall comfort.
Natural ventilation is subject to weather, time, and spatial constraints. On rainy or windless days, air exchange is nearly impossible, which may also lead to increased humidity in bathrooms. Particularly in windowless bathrooms, natural ventilation is virtually ineffective, as it cannot rapidly remove indoor moisture and odors. Natural ventilation should only serve as an auxiliary measure.
Application of Bathroom Exhaust Fans
Bathroom exhaust fans are essential ventilation devices for maintaining a dry, odor-free, and hygienic environment in bathrooms. They are widely used in homes and various commercial bathrooms. Below is a detailed introduction to common scenarios where bathroom exhaust fans are used:
Residential Bathroom
In residential bathrooms,bathroom exhaust fans help quickly remove moisture and odors generated during daily use, preventing mold growth and condensation on walls and mirrors.Aosun low-noise bathroom exhaust fans operate quietly, ensuring effective ventilation and avoid disturbing family’s daily rest.
Meanwhile,they support multiple installation methods such as ceiling-mounted,wall-mounted,or window-mounted bathroom exhaust fans,fitting various home bathrooms.The aosun bathroom extractor fan also offers optional features like LED lighting and humidity sensors, enhancing your bathroom’s functionality and convenience.
Commercial & Public Bathroom
Commercial and public bathrooms, such as those in shopping malls, office buildings, and public facilities, experience high traffic and frequent use. High airflow bathroom exhaust fans are required to continuously remove moisture and odors across large spaces.
Aosun commercial bathroom exhaust fans’ large-capacity air duct can cover extensive bathroom areas,efficiently removes moisture and odors from public bathrooms.At the same time,low noise operation helps maintain a comfortable and professional environment in surrounding public areas.They ensures long-term continuous operation and maintains clean, dry conditions in public bathroom spaces,suitable for public baths, commercial areas, and high-traffic environments.
Hotel & Luxury Residential
In hotels and luxury residential projects, bathroom ventilation plays a key role in maintaining comfort and hygiene. High-performance bathroom extractor fans quickly remove moisture after showers,preventing wall mold and mirror fogging,keeping the bathroom dry and fresh at all times.
Aosun bathroom exhaust fans feature a clean and modern design that integrates seamlessly with high-end bathroom interiors.Meanwhile, the low-noise operation design ensures continuous operation without disturbing guests ‘rest or residents’ sleep,even during nighttime operate.
Spa, Gym & Renovation
For the high humidity environments such as spa centers and gym shower
that require efficient and continuous ventilation.High airflow bathroom exhaust fans help quietly remove steam and lingering odors, creating a fresh and relaxing atmosphere for users.
For renovation projects or bathrooms without ceiling space, wall-mounted or window bathroom exhaust fans offer flexible installation solutions without major structural changes. Aosun provides a wide range of sizes and configurations which can meet different renovation requirements.
How to Install a Bathroom Exhaust Fan?
Aosen’s bathroom exhaust fans support multiple installation methods such as ceiling-mounted and wall-mounted.The appropriate installation method can be selected based on different bathroom structures and usage requirements. They are easy to install and have a wide range of applications.
Ceiling Mounted Bathroom Exhaust Fan
- Advantages:Ceiling mounted exhaust fans are installed on the top of ceiling,saving wall space and making the overall look more attractive.They can be connected to ducts to quickly remove moisture and odors,providing high ventilation efficiency and lower noise levels.They are especially suitable for bathrooms with separate wet and dry areas, high-end residences, and hotel rooms.
- Installation method:Mark the ceiling opening according to the fan size and prepare the cut-out.2.Fix the mounting bracket or screws and secure the exhaust fan firmly in place.3.Connect the ventilation duct and ensure airtight sealing.4.Connect the power supply in compliance with electrical safety standards.5.Power on the fan and check airflow, noise level, and stability.
- Tips:Install near moisture-concentrated areas for better ventilation efficiency.2.Ensure the ceiling structure is strong enough to prevent vibration and noise.3.Keep the duct as short and straight as possible to reduce airflow loss.4.Clean the fan regularly to maintain long-term performance.
Wall Mounted Bathroom Exhaust Fan
- Advantages:Wall mounted exhaust fans can install directly on any suitable position of the bathroom wall.The installation is more flexible, and the disassembly is more convenient, which is easy for daily cleaning and motor maintenance.They are suitable for ceiling-free bathrooms, renovation of outdated bathroom facilities, and shower areas in gyms.
- Installation method:Determine the installation height and mark the wall position to drilling holes.2.Fix the exhaust fan with screws or mounting brackets.3.Connect the ventilation duct or exhaust directly outdoors.4.Connect the power supply and test air volume and operating status.5.Check if the fuselage is stable and the exhaust is normal.
- Tips:Avoid installing the fan directly under the showerhead’s spray area.2.Install rainproof louvers and insect-proof nets on the outdoor outlet to prevent rainwater and mosquitoes from entering.3.Ensure all components of the fan are securely fastened to prevent vibration noise.4.Shorter duct length improves airflow efficiency.
Window Mounted Bathroom Exhaust Fan
- Advantages:Window mounted bathroom exhaust fans are installed directly on bathroom windows without ducts.This installation method is simple and cost-effective, saving the ceiling and wall space.With efficiency exhaust,suitable for the scene without ceiling and inconvenient to drill holes in the wall.
- Installation method:Mark the opening range on the bathroom window and make the opening according to fan dimensions.2.Fix the mounting frame securely and ensure proper alignment.3.Seal the gaps with waterproof and mold-resistant sealant.4.Install the fan body,ensuring the device is securely fastened and not loose.5.Connect the power supply and test airflow, noise, and sealing performance.
- Tips:Confirm window material before cutting,tempered glass is not recommended.2.Choose bathroom-specific waterproof and anti-mold sealant and regularly inspect sealant to avoid air leakage.3.Use outdoor louvers with backdraft dampers to prevent rain and insects.4.Avoid installing on windows exposed to strong wind or direct sunlight.5.If the window need to be opened partially, select the “Half-Window Installation” model to leave some space for partial opening.
To ensure proper installation and optimal performance of the exhaust fan, we provide a detailed installation manual below, which includes step-by-step instructions for different installation methods.
Exhaust Fan Operating Instructions
Installation Instructions for Exhaust Fans with Humidity Sensors
Installation Instructions for Exhaust Fans with LED Light
Why Choose Us?
Choosing the right bathroom exhaust fan supplier is critical for product quality, project reliability, and long-term cooperation. Aosun provides stable, efficient, and customizable bathroom exhaust fan solutions for global residential and commercial markets.
- Extensive professional experience
With over 12 years of experience in manufacturing bathroom exhaust fans, Aosun operates its own production facilities with stable processes and strict quality control. Our products have been exported to 50+ countries and regions,serving customers worldwide.
- Professional team, quality assurance
Our experienced technical team strictly controls quality throughout production, delivering efficient, durable, and low-noise exhaust fans.
- Large Order Capacity, Reliable Delivery
Capable of handling large-scale orders with stable delivery schedules, meeting both project-based and long-term procurement needs.
- OEM/ODM Customization
We can customize products to meet customer needs and create differentiated products.
- Certified and Standard-Compliant
Our products comply with CE, RoHS, ISO, and other international standards, ensuring reliability and safety.
- Comprehensive After-Sales Service
Aosun has a very comprehensive after-sales system, providing worry-free service throughout the entire process.
- Make sure the bathroom exhaust fan is powered off before cleaning.
- Remove the exhaust fan panel.
- Thirdly, use a dry cloth or soft brush to remove dust and grease from the impeller.
- Wipe the casing with a damp cloth, taking care to avoid water entering the motor to prevent damage.
- Clean the dust from the exhaust duct. After cleaning, reinstall the cover and ensure it is securely fastened.
Tips: It is recommended to clean the bathroom exhaust fan every 3-6 months.
If you have basic electrical and installation experience, small bathroom exhaust fans can be installed by yourself, and pay attention to electrical safety regulations.If you lack relevant experience or your exhaust fan is high-powered, it is recommended to hire a professional for installation. Professionals can properly secure the exhaust fan, ensure electrical safety, and handle any issues related to sealing the connections.
When choosing a bathroom exhaust fan, first pay attention to its airflow. Select the appropriate airflow based on the size of your bathroom.A higher airflow rate will remove moisture and odors faster. Secondly, since bathroom exhaust fans are usually used in the morning or at night, it is recommended to choose a low-noise exhaust fan.You can also choose different ways to install the exhaust fan depending on the structure of your bathroom.It is recommended to choose a low-power, energy-saving exhaust fan to reduce long-term operating costs.
When purchasing a bathroom exhaust fan, you can choose a low-decibel or axial/centrifugal exhaust fan, as these types of exhaust fans are quieter. Check that all parts of the exhaust fan are securely connected to avoid vibration that generates additional noise. Regularly clean the exhaust fan impeller and ventilation ducts to prevent dust buildup and increased noise. You can also reduce the noise of your bathroom exhaust fan by lowering its operating speed.
If you notice a significant decrease in airflow when using your bathroom exhaust fan, it’s time to replace it. If your bathroom exhaust fan makes unusual noises or vibrates when you turn it on, be aware that this may indicate an aging motor or impeller. You can try cleaning the fan impeller and ductwork; if the unusual noise persists, you’ll need to replace the worn parts or get a completely new bathroom exhaust fan.
Some bathroom exhaust fan models support smart control or timer functions, allowing you to control the fan via a smart panel or remote control. If your bathroom exhaust fan does not have this function, you can connect an external smart control module to achieve this feature.
A bathroom exhaust fan doesn’t necessarily need a separate power supply. Low-power bathroom exhaust fans can share the same circuit as other household appliances. However, it’s still recommended that you arrange a separate power supply for the exhaust fan. This ensures better safety and prevents overload or interference.
A separate power supply also makes the exhaust fan’s operation more stable, especially under high-frequency use or long-term operation, reducing the risk of circuit failure.
Most bathroom exhaust fans have a certain degree of waterproof and moisture-proof performance, capable of adapting to the humid environment of a bathroom. To extend the lifespan of the exhaust fan and reduce maintenance costs, it is recommended that you choose a bathroom exhaust fan made of stainless steel or corrosion-resistant materials. In addition, when installing a bathroom exhaust fan, try to install it away from water flow to avoid direct water exposure. This will maximize the protection of the motor and internal electrical components.
Ceiling-mounted exhaust fans are installed in the ceiling, offering an aesthetically pleasing and concealed look, saving space, and are suitable for suspended ceilings.
Wall-mounted (wall-mounted) fans offer flexible installation, requiring no suspended ceiling, and are suitable for renovation projects.
Ducted fans exhaust air through ducts, offering high ventilation efficiency, and are suitable for scenarios requiring long-distance ventilation (such as large apartments and commercial spaces).
It can be used year-round. The built-in light function meets daily lighting needs, while the heating function is suitable for winter use. It typically uses a waterproof heating module, making it safe for the humid bathroom environment. Regular checks of the heating module’s insulation are recommended to ensure safety and extend its lifespan. Under normal use, the light and heating module will not affect the exhaust fan’s ventilation performance.
