Features of Aosun Silent Extractor Fan
- Made with a silent elastic blocks and high-quality motors that enables quiet operations
- Equipped with a built in automatic backdraught shutter and an airflow humidity censor
- Can be designed with an adjustable timer, intelligent timer and a presence detector
- Provides excellent ventilation and extraction with minimal noise
- Built with a thermal protector and can still function perfectly even in rising temperature
Trusted Silent Extractor Fan Manufacturer in China
Aosun’s silent extractor fan is a ventilation device used to remove bad odor, moisture, dust, smoke and air pollutants from the air excellently without making a disturbing noise. Our silent extractor fans are made with an innovative silent-elastic-block that impressively absorbs vibration and noise transmission from the impeller, making a very minimal noise of only 26.5dB . It is also built with an automatic backdraught shutter that prevents heat leakage and air entry when the extractor is not in use. Auson’s silent extractor fan can also be designed with an intelligent timer, humidity sensor or a presence sensor, for maximum convenience and energy efficiency. Moreover, our silent extractor fans serve the best performance with fan speed of up to 2,950 rpm, airflow of up to 1,500, 000 cfm, and a static pressure of up to 240 inches w.g. With these features we guarantee you a silent extractor that’s energy saving, long lasting and maintains a fresh and comfortable environment, suitable for a variety of applications, may it be residential, commercial or industrial. Choose from our product catalog or customize your silent fan extractor fan with us.
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What is A Silent Extractor Fan?
Aosun silent extractor fan is a ventilation device specially designed to reduce operating noise. By adopting advanced technology and materials, it efficiently expels indoor stale air, dust, and smoke while keeping the working noise at only 26.5 decibels, which avoids disturbance to quiet environments such as residences, commercial or industrial areas, and enhances your comfort.
The core working principle of the Aosun silent extractor fan lies in the adoption of an innovative silent elastic block design to absorb the vibration and noise of the impeller. Meanwhile, its fan blades and air duct design have been aerodynamically optimized, enabling the airflow to pass through more smoothly and evenly, effectively avoiding the noise caused by turbulence and severe vibration in traditional fans. Under the premise of providing sufficient air volume, it minimizes the noise.
Materials of Silent Extractor Fans
Motor Material
Aosun uses high-grade silicon steel sheets as the core material, featuring low iron loss and high magnetic permeability. This can significantly reduce eddy current loss and electromagnetic noise, thereby enhancing motor efficiency.
The coil uses pure copper enameled wire, which has lower resistance, stronger electrical conductivity, and lower heat generation. This reduces energy consumption and the risk of material aging caused by overheating from the source, ensuring the long-term operation of the motor.
Fan Blade Material
The blades of silent extractor fans are made of reinforced engineering plastics such as ABS and PP. This type of material is not only lightweight, which can reduce the load on the motor and the starting inertia, but also has extremely high strength and rigidity, making it less prone to deformation at high speeds.
Meanwhile, its outstanding dimensional stability ensures that the fan blades can achieve precise dynamic balance correction during the production process, which eliminates vibration and noise caused by imbalance from the root.
Shell Material
The housing of the silent extractor fan is made of flame-retardant ABS or PP engineering plastic. These materials have passed strict flame-retardant grade certifications, significantly enhancing the safety level of the products. Meanwhile, they have excellent impact resistance and corrosion resistance, providing long-term protection against moisture, steam, and daily cleaning agents in environments such as bathrooms and kitchens.
In addition, the surface of the silent extractor fan panel is usually treated with anti-ultraviolet and matte finishes. This not only prevents discoloration after long-term use but also effectively conceals scratches, facilitates easy cleaning, and seamlessly integrates into various occasions.
Shock-Absorbing Material
At the connection between the motor and the installation bracket, as well as the junction of the casing, we employ highly elastic rubber vibration-damping pads or sealing rings. These materials can effectively absorb and isolate the minute vibrations generated by the motor, which effectively prevents noise transmission.
At the same time, they also play a good role in air tightness and dust prevention, further enhancing the overall efficiency and lifespan of the silent exhaust fan.
Features of Silent Extractor Fans
Silent
Aosun silent extractor fan adopts an innovative silent elastic block design, which can control the noise at 26.5 decibels. This feature ensures a quiet surrounding environment, making it an ideal choice for noise-sensitive occasions.
Energy Conservation
Our silent extractor fans are equipped with high-performance DC brushless motors, which consume approximately 40% less energy than traditional motors. This not only directly saves electricity costs for your customers in the long term but also aligns with the modern trend of sustainable development.
Large Airflow
Our silent extractor fans have outstanding performance, with a fan speed of up to 2,950 rpm and an air volume of up to 1,500,000 cfm. Relying on advanced dynamic optimization design, it ensures that it can still provide sufficient exhaust volume under low noise conditions, quickly update indoor air, and effectively remove odors and moisture.
Intelligent Control
Aosun silent extractor fan is compatible with smart home systems and supports functions such as humidity sensing, timed on/off, and night mode. This automated management significantly enhances the user experience of your product.
Aesthetic Design
Our silent extractor fans feature a simple white panel design, making it easy to blend into various decoration styles. In addition, we offer a variety of installation methods, such as ceiling embedding and wall mounting, to meet your needs for different building structures, ensuring convenient installation and a neat and beautiful appearance.
Installation Precautions for Silent Extractor Fans
Preparation Before Installation
Before installing the silent extractor fan, you must strictly follow the product manual to confirm the opening size to ensure that it can be embedded flat and stably, and avoid vibration or abnormal noise caused by improper opening. In addition, you need to check the power supply voltage and plan the ventilation ducts. Prioritize short and straight paths and prepare the corresponding air ducts to reduce subsequent air resistance and airflow noise.
Installation Procedure
During the installation process, screws should be used to firmly fix the main body of the fan to prevent vibration and noise caused by loosening in the future. And ensure the complete sealing of the ventilation hose interface with aluminum foil tape to prevent air leakage, which may lead to reduced efficiency and noise generation. At the same time, you need to pay attention to the correct installation direction of the internal check valve, as it can effectively prevent the backflow of outdoor cold air, dust, or odors.
Post-Installation Inspection
After installation is completed, you need to power on to check if the fan operates smoothly and if there are any abnormal noises. Also, feel the actual noise and vibration at different speeds to ensure that the noise reduction effect meets the standards. Finally, fasten the decorative panel tightly to ensure that the appearance is flat and seamless.
Applications of Silent Extractor Fans
Hotel
In hotels, silent extractor fans are widely used in guest room bathrooms to quickly remove moisture and odors, prevent mold growth, and at the same time ensure a quiet rest environment and avoid noise disturbing sleep. This is the key to improving hotel services and customer satisfaction.
Hospital
Silent extractor fans are usually installed in wards, operating rooms, laboratories and other areas. While maintaining air cleanliness and controlling the spread of bacteria, their ultra-low noise feature provides patients with a quiet environment conducive to recovery and ensures that medical staff are not disturbed by noise. They are indispensable auxiliary equipment in medical environments.
Commercial Field
In commercial spaces such as office buildings, meeting rooms, high-end restaurants and libraries, silent extractor fans can create a professional and comfortable atmosphere. It can effectively improve air circulation without generating noise, thus ensuring a quiet environment and enhancing the user experience.
Residential Field
For residences, silent extractor fans are directly related to the comfort of living and the quality of life. It is usually installed in spaces such as bathrooms and kitchens to continuously introduce fresh air into the room and expel cooking fumes and moisture while generating almost no noise. Its silent feature makes it an ideal choice for modern homes.
Industrial Field
In the industrial field, silent extractor fans are often used in precision instrument manufacturing workshops, laboratories, control rooms, or production areas near office zones where noise is strictly limited. While eliminating harmful gases, dust, or waste heat, they effectively reduce the negative impact of industrial noise on employee health and the production environment.
Silent extractor fans need basic regular maintenance to keep quiet operation, stable airflow and longer service life. During prolonged use, dust, lint, and moisture tend to accumulate, leading to increased noise levels,reduced airflow. Simple maintenance includes regular cleaning the cover and fan blades, checking for dirt blockages, and ensuring proper ventilation of the duct. Regularly maintain the silent extractor fans can helps remain quiet and efficient for years.
Yes, silent extractor fans are designed to operate stably in humid environments such as bathrooms and laundry rooms. They adopt moisture-proof, anti-rust and sealed motor structure, effectively removing odors and moisture. The structure designs can also prevent circuit damage, rust and mold growth caused by long-term humidity. Meanwhile, the silent performance will not be affected by damp air. We recommend choosing silent extractor fans with IPX4 or higher waterproof grade for long-term use in high-humidity spaces.
The duct length will affect the noise levels of silent extractor fans. Excessively long ducts increase air resistance, cause airflow turbulence. In addition, they also increase the fan load, generating more noise and resonance. Besides duct length, too many bends, narrow pipe diameter and poor installation also amplify noise. We suggest keeping duct runs short, straight, and minimize bends.
Yes, silent extractor fans are suitable for kitchens, especially for daily mild fume, odor and moisture removal. Ordinary silent exhaust fans are not designed for heavy oil smoke from high-heat cooking. They work well for small kitchens, apartment kitchens, and daily light cooking. They can ventilate odors and humidity quietly. For heavy frying and strong oil fume, we recommend using a silent extractor fan, as auxiliary ventilation.
There are key factors influence the noise level of a silent extractor fan:
Motor quality and design: High-quality silent EC motors produce far less operating noise.
Fan blade balance and material: Unbalanced impellers cause vibration and resonant noise.
Installation firmness: Loose mounting leads to wall resonance and extra vibration noise.
Duct layout: Overlong ducts, too many bends, narrow pipe diameter increase air resistance and wind noise.
Dust and dirt buildup: Dirty fan blades and grilles disrupt airflow and raise noise.
Waterproof and sealing structure: Poor sealing allows vibration sound to leak out easily.
Yes, silent extractor fans are designed for continuous operation. They adopt heat-resistant sealed motors, overheating protection and stable bearing structure. There special designs can make them run safely for long time without burnout or excessive noise. They are suitable for bathrooms, toilets and basements to keep constant air circulation, remove humidity and odors all day long.
There is a certain balance between noise reduction and airflow. Optimized motor speed and add sound-dampening design to reduce noise. Normally, extreme silent tuning may slightly reduce airflow volume. However, high-quality silent extractor fans use aerodynamic impeller design and high-efficiency motors. They can maintain stable airflow and keep noise low, minimizing the loss of ventilation performance.
No, higher CFM of silent extractor fans is not always better. A higher CFM means stronger airflow and faster ventilation. It will bring louder wind noise, greater air resistance, and unnecessary energy consumption. We recommend choosing CFM for a silent extractor fan should match the room size. Too high CFM for a small room causes over-ventilation, drafts and louder noise. However, too low CFM cannot remove moisture and odors efficiently. We suggest picking a matched CFM based on room area, balancing silent performance, airflow and comfort.
Silent extractor fans deliver a lower operating noise, better balance and longer service life, suitable for continuous operation. They adopt optimized aerodynamic blades and sound-absorbing structures, effectively reducing noise. In addition, they have higher IP waterproof rating and moisture-proof ideal for humid environments, such as bathrooms and kitchens. However, standard exhaust fans adopt basic ordinary AC motors and simple structures, producing obvious vibration and wind noise.
When choosing the right silent extractor fan, you should consider many factors, such as airflow, motor quality, installation methods and noise level. Firstly, you need to confirm airflow based on your project requirements. Then, we recommend choosing ceiling, wall-mounted or window type according to bathroom, toilet or kitchen layout.If your projects belong to humid environments, you should choose IPX4 or higher waterproof grade of the silent extractor fan. Silent DC motors with overheat protection for long service life and stable quiet operation.
