The Best 4 inline duct fan of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 4 inline duct fan of 2023. Check our ranking below.
2,610 Reviews Scanned
Rank No. #1
AC Infinity RAXIAL S4, Inline Booster Duct Fan 4” with Speed Controller - Low Noise Inline HVAC Blower Can Fan for Basements, Bathrooms, Kitchens, Workshops
- A duct fan designed to increase existing airflow in HVAC systems and ventilate home spaces like attics and workshops.
- Features a variable fan speed controller, enabling you to optimize airflow and noise level for any application.
- Unibody die-cast construction with no welded seams; reduces vibration while ensuring smoother airflow.
- AC shaded-pole induction motor utilizing balanced steel blades and permanently lubricated ball bearings.
- Duct size: 4” | Dimensions: 7.28 x 3.95 x 3.95 in. | Airflow: 106 CFM | Noise: 28 dBA | Bearings: Dual Ball
SaleRank No. #2
VIVOSUN D4 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent
- Powerful Airflow: This VIVOSUN powerful blower with a fan speed of 2500 RPM can create an airflow of 195 CFM; It works efficiently in ventilating grow tents, transferring heat or cool rooms, circulating fresh air, as well as controlling proper humidity, temperature, and air quality for your grow area
- Quiet Operation: Fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30 dB, which does not have any harm to your health and will not disturb your work
- Safety Protection: The motor is ETL listed and features an automatic reset function to prevent overheating or other safety issues; The electrical junction box is made from flame-retardant components for fireproofing
- Simple Hookup: The flanges on both the intake and exhaust ends are simple to assemble with the vent hose by locking tabs; A cord of 5.9-feet long for hassle-free setup; The housing, even the impeller and blades, are easy to detach for cleaning and maintenance
- Wide Applications: It can improve airflow to reduce humidity, block odors, and lower temperatures in grow rooms, basements, or kitchens
Rank No. #3
iPower 4 Inch 106 CFM Inline Fan Duct Exhaust Booster with Speed Controller for HVAC in Grow Tent, Basements, Bathrooms and Kitchens
- Silent design: Reduce the sound output to only 28 dB-no harm or disturb for your life. Superior balanced blades and centrifugal impeller for quiet operation and long service life.
- Easy to adjust speed: With the variable speed controller on the power cord, you can optimize airflow and noise level for desired application. Turn the knob to control the vent fan to run at different speeds.
- Durable and safe: Strong motor of this duct blower is energy saving and requires no maintenance. Featuring overheating protection, the unit will automatically shut off if overheating is detected. The quality steel housing is sturdy.
- Easy to install: With a diameter of 4 inches, speed of 2990 RPM and 106 CFM airflow, this air exhaust fan is lightweight enough for quich removal and easy installation in areas with little available space
- Wide applications: A duct fan designed to boost airflow in HVAC systems, ventilate home spaces and use in grow tents as intake fans or exhaust fan. Use it in bathrooms, kitchens, workshops, basements, attics and etc.
Rank No. #4
iPower 4 Inch 130 CFM Inline Duct Fan with Variable Speed Controller HVAC Exhaust Blower for Heating Cooling/Grow Tents/Hydroponics Ventilation, 4", Black
- Mixed flow design: Compared with axial and centrifugal fans, mixed flow fan has large air volume and high static pressure for ventilation and purification. Durable plastic housing and blades revolve smoothly and powerfully and cut noise output to 35 dB
- Upgraded Fan: Size: 4inch; fan speed: 2500 RPM; air flow: 130 CFM; wind pressure: 220 pa; bearings: double ball. 110V standard household plug; Pre-wired 5.9 feet power cord. Max Ambient Temp is 140℉/ 60℃
- Speed controller: Three speed switches enable fan to run at low, medium and high speed. Durable 3-pole grounded plug need no extra wires to deal with. You can correctly and precisely adjust the airflow level according to your requirement
- Safe and versatile applications : Fully enclosed junction box, waterproof and dustproof design ensures safe usage and long service life in industrial, household and horticulture ventilation applications. Such as bathroom, washroom, office, grow tent
- Easy installation: Feature with lightweight and compact enough to be installed in any angel and little availvable areas. Simply remove the duct ends with locking tabs for quick installation and easy maintanance
Rank No. #5
iPower 4 Inch 230 CFM Inline Duct Ventilation Fan Quiet Vent Blower for Hydroponics Grow Tent, Greenhouse Air Circulation, Upgrade, Black
- Effective Ventilation: Quiet and efficient design with a fan speed of 2600 RPM for an air flow of 230 CFM. Powerful blower to move air to your target location for optimal ventilation
- Low noise: Equipped with a flow deflector that makes the fan airflow more concentrated and reduces the turbulence energy. Run at only 36.4 dB noise level to ensure the grow operation won’t disturb your life
- Simple installation: Removable intake and exhaust ends with locking tabs for simple and easy hookup. Easy to install, quick to remove and convenient to maintain. The cable length is 5.9 feet and can be easily set
- Premium design: Lightweight and compact fan takes up minimal space and fits in any grow room. High-quality blades and efficient flow deflector increase airflow while realizing smooth, whisper-quiet operation
- Wide applications: Suitable for grow tent, greenhouse, basement workshops, bathroom or kitchen. Clean and freshen air. Keep environment humidity and temperature balanced
Rank No. #6
Hon&Guan 4 Inch Inline Booster Duct Fan with Speed Controller - 130 CFM Airflow with 6W Ultra-Low Power and Low Noise
- 【Energy-Efficient Ventilation】This powerful inline duct fan speed of 4500 RPM can create the air flow of 130 CFM, Maximum power consumption is only 6W. Upgrade DC motor & low noise effectively circulating air, quickly move vast amount of air to exhaust odors.
- 【Application Scenarios】The 4 inch duct booster fan designed to quietly ventilate grow rooms, bathrooms, kitchens, workshops, basements, attics and etc, in order to boost airflow in HVAC systems.
- 【Easy to Install】Hon&Guan air exhaust fan's blade and the body are made of high quality plastic, for quick removal and easy maintenance.
- 【Adjustable Controller】 The 4-inch duct fan includes a variable speed controller, which can allows you to adjust the airflow and noise at will.
- 【Excellent Performance】Duct size: 4” | Dimensions: 7.28 x 3.82 x 3.82 in. | Voltage: 100-240V| Air Presssure: 165 Pa| Noise: 26 dBA
Rank No. #7
VEVOR Inline Duct Fan, 4-Inch 200 CFM with Variable Speed Controller, Quiet AC-motor Ventilation Exhaust Fan for Cooling Booster, Grow Tents, Hydroponics
- Universal Applications: Take a deep breath and relax. Our inline duct fan is specially designed as an exhaust for heat, humidity, and smoke, improving airflow in air planting tents, hydroponic planting rooms, electronic equipment rooms, kitchens, basements, etc. Get ready to go with the flow.
- Blow Your Worries Away: Our inline fan provides a sufficient airflow of 200 cfm, enough to handle wide areas of ventilation and dehumidification, maintaining clean and fresh air circulation in dry environments all the time. Take control of any environment confidentially.
- Power in Silence: Are you tired of loud, obnoxious ducts? Well, get ready to work in silence! Our inline exhaust fan is equipped with a high-quality AC motor that ensures strong power at a low noise of 29 dB, which will not disturb your work and life. At the same time, the motor saves 30% on energy consumption, extending its service life.
- Control you can Feel: Do you want to get various airflow speeds at any time to achieve better ventilation effects while still being in control? Our inline air duct fan can be controlled via the manual knobs. You can adjust the speed to meet the ventilation needs of different environments. What are you waiting for? Go with the flow!
- Everything You Need: To save time and cut costs dramatically, we provide a 4-inch inline fan with hang-up slings and non-vibration rubber mats and straps, so you can finish the installation quickly! You are in control! Choose between hanging it or mounting it on the wall.
SaleRank No. #8
VIVOSUN T4 4 Inch 190 CFM Inline Duct Ventilation Fan with Variable Speed Controller for Grow Tent
- Energy-Efficient Ventilation: This powerful blower with a fan speed of 2300 RPM can create an air flow of 190 CFM; It combines the features and benefits of axial and centrifugal fan, effectively circulating air
- Low Noise Level: The durable fan blades revolve smoothly and powerfully, which helps collect airflow volume and cut noise output; A less than 30 dB noise level will not disturb your work
- Adjustable Speed: A stepless speed controller on the power cord enables the fan to run at different speeds; With this speed switch, you can adjust it to the desired airflow level
- Easy Installation: This duct fan is compact and lightweight so it can be installed in small areas; Comes with an installation bracket indicating the direction of the airflow; Removable duct ends with locking tabs
- Versatile Applications: Suitable for industrial, household and horticulture ventilation applications; It can quietly and efficiently moving large volumes of air throughout your ventilation system
Rank No. #9
iPower 4 Inch 100 CFM Inline Duct Fan with Low Noise, Exhaust Booster for HVAC Ventilation in Grow Tent, Basements, Bathrooms and Kitchens, 2 Pack
- Efficient but quiet: Lead to great effects with a diameter of 4 inches, speed of 2930 RPM and 100 CFM air flow. A less than 40 dB noise level does not have any harm and will not disturb your work.
- Easy to install: Portable, lightweight and easy to install in areas with little available space. Sufficient 5.5' grounded power cord inside is convenient to use.
- Durable: Superior balanced centrifugal impeller and high strength housing for long service life. The motor features a permanently lubricated bearing that operates quietly and requires no maintenance.
- Wide application: Exhaust air for HVAC to remove heats & odors or intake fresh air, used in grow tents, kitchens, bathrooms, basements, attics, garage, workshops etc.
- Specification: Voltage: 110/120V; Wattage: 12W; Power Cord: 5.5FT. Max operating temp of motor is 130℃ / 266℉; Max ambient temp is 60℃ / 140℉. Note: Please turn the fan off immediately if the blades get stuck by other objects and turn on after clean.
Rank No. #10
AC Infinity CLOUDLINE PRO S4, Quiet 4” Inline Duct Fan with Speed Controller – EC Motor Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics
- Designed to ventilate grow tents, transfer heating/cooling to rooms, circulate air, exhaust odors, and cool AV racks.
- Features a wired 10-speed fan controller; also compatible with all UIS controllers with intelligent programming.
- PWM-controlled EC motor provides quiet and energy-efficient performance with minimal heat and noise.
- Mixed flow design with stator blade and hydrodynamic wind circles enables airflow delivery in high resistance areas.
- Duct Size: 4” | Dimensions: 6.9 x 11.9 x 7.4 in. | Airflow: 205 CFM | Noise: 28 dBA | Bearings: Dual Ball
Rank No. #11
VIVOSUN 4 Inch Inline Duct Fan 100 CFM, HVAC Exhaust Ventilation Fan with Low Noise for Basements, Bathrooms, Kitchens and Attics, Silver
- Durable: The fan has a strong motor which features a permanently lubricated bearing that operates quietly and requires no maintenance
- Compact But Efficient: This duct fan is compact and lightweight enough to be installed in areas with little available space; With a diameter of 4 inches, speed of 2930 RPM and 100 CFM air flow
- Low Noise: Superior balanced centrifugal impeller for long service life & quiet operation; A less than 30 dB noise level does not have any harm and will not disturb your work
- Wide Applications: You can have it in bathrooms, kitchens, workshops, basements, attics and etc, in order to boost airflow in HVAC systems; Also, it can be used in grow rooms as intake fans or exhaust fan
- Specifications: Voltage 110/120V, Power 14W; Max Operating Temp of Motor is 130℃ / 266℉; Max Ambient Temp is 60℃ / 140℉; Note: Please turn the fan off immediately if the blades get stuck by other objects
Rank No. #12
AC Infinity CLOUDLINE A4, Quiet 4” Inline Duct Fan with Speed Controller, EC Motor - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics
- Designed to quietly ventilate grow tents, exhaust odors, transfer heating/cooling to rooms, and cool AV closets.
- Features the same build quality and innovations as the CLOUDLINE Series delivered in a value package.
- Includes a wired 10-speed fan controller; also compatible with all CLOUDLINE Series smart controllers.
- Mixed flow design combined with an EC-powered motor for a truly quiet and energy efficient performance.
- Duct Size: 4” | Dimensions: 6.9 x 11.9 x 7.4 in. | Airflow: 165 CFM | Noise: 29 dBA | Bearings: Dual Ball
Rank No. #13
RichYa Inline Duct Fan, Silent 4" Ventilation Exhaust Fan with Motor and Temperature and Humidity Controller for Heating Cooling Boosters, Grow Tents, Hydroponics
- One-touch tent temperature control: you can operate them individually or unify the indoor temperature and humidity through the complimentary controller platform, simplifying the complexity of gardening to a scientifically manageable level, thus better stabilizing the entire growing environment of your planting
- Energy-saving and low-noise fan: The mixed-flow design allows the fan to deliver air over a longer distance; the fan ventilation is quiet and inaudible outdoors, stabilizing the entire ecosystem in the tent indoors without interfering with normal indoor activities.
- Environmental monitoring: the controller has a built-in thermo-hygrometer and 1 probe to monitor the internal and external environment and VPD changes, you can visually see the growth of the plants inside the tent in the controller and tent window
- Fully Automated: Program your unit to automatically guide you through each stage of growth - program light intensity, spectrum, on/off time, fan speed and air flow, and make changes at any time to better suit your plants
- Versatile: For cooling lighting equipment, managing hot and humid conditions in grow tents, bathrooms, kitchens, hydroponics, HVAC applications, commercial grow rooms, and more (includes speed controller) For industrial, home, and horticultural ventilation applications; it delivers large volumes of air quietly and efficiently throughout the ventilation system
SaleRank No. #14
iPower 4 Inch 100 CFM Booster Fan Inline Duct Vent Blower with Variable Speed Controller Adjuster, Intake 5.5' Grounded Power Cord for HVAC Exhaust, Low Noise, Silver
- Advantages of fan: Superior balanced blades for long service life & quiet operation; Motor features a permanently lubricated bearing that operates quietly and requires no maintenance
- Fan specification: Diameter: 4inch; Air flow: 100 CFM; Speed: 2930 RPM; Voltage: 110/120V; Wattage: 12W; Noise level: 40 db
- Advantages of fan: Superior balanced blades for long service life & quiet operation; Motor features a permanently lubricated bearing that operates quietly and requires no maintenance
- Application: Help boost airflow in HVAC (heating, ventilation and air conditioning) units to remove exhausts and odors from grow rooms, kitchens, bathrooms, workshops, basements, attics etc.
- Package including: 1 pack 4inch booster fan, 1 pack variable fan speed controller
Rank No. #15
Toolazy Quiet 4” Inline Duct Fan with 0-100% Variable Speed Controller - Ventilation Exhaust Fan Using for Heating Cooling Booster, Grow Tents, Hydroponics,Home use Ventilation and Exhaust Blower.
- Toolazy 4” Inline Duct Fan are used in indoor grow facilities and vertical farms, heating and cooling transfer, commercial drying and air filtration applications. Our inline blowers can also create negative pressure environments, simulate wind, exhaust odors and smoke as well as intake fresh air from outdoors
- Flexible control speed : choose any speed from 0 to 100% using the included variable speed controller without creating background noise or hum at low speeds.
- Quiet and energy-saving performance is very good : EC motors with mixed flow design and PWM control can use precise electronic pulses. This allows the embedded fan to run more quietly and reach low speeds without generating noise or heat. The energy efficiency of EC motors is also twice as high, and can save up to 40% of energy costs, and can recover costs in the long run.
- PACKAGE DETAILS : Quiet 4” inline duct fan, AC power plug, variable speed controller,two conduit clamps and required installation hardware.
- DUCT DIAMETER : 4”(100mm) — Airflow: 205CFM —Power 40W —Input voltage：AC110~240V,50/60Hz —Speed：2600RPM/min —Noise: 28 dBA — Bearings: Dual Ball
Rank No. #16
Inline Duct Fan 4 Inch Vent Booster, HVAC Exhaust Intake Fans 76 CFM, Ventilation Blower for Grow Tent Attic Kitchen Garage Greenhouse Basement (Φ 4 inch/110v)
- DIY Your HVAC System >> You can supply fresh air with one or more fans to DIY air circulation systems depending on the size of your space.
- Widely Used Grow Tent Fan -- The 4 inch inline fan is widely used in homes,pets, offices, warehouses, restaurants, bars, shops, shopping malls, grow tents, greenhouses and other places where a lot of air is needed.
- Large Airflow -- It is designed with high quality sleeve motor, quiet and service life more than 3 years, with rotational speed 2400 r/min, 76 CFM large airflow.
- Over-heat Protection >> The motor comes with low operating temperature and low heat generation, the built-in temperature protection device, the contact point is disconnected when the motor overheats, which acts as a power failure protection. double protection is safer.
- Easy to install >> 39" cable with plug, brown live wire, blue neutral wire, easy to install, please fix the fan to avoid noise due to looseness.
Rank No. #17
iPower 4 Inch 195 CFM Duct Inline Ventilation Fan Air Circulation Vent Blower for Grow Tent, Greenhouses, Basements or Kitchens, Lite
- Multifunction: Perfect for grow tents, greenhouses, hydroponics, kitchens, bathrooms, basements, locker rooms, garage to reduce humidity, clear the air and lower temperatures in grow rooms.
- Mini Construction: Lightweight, compact fan takes up minimal space, suitable for applications where larger fans just won’t fit.
- High Effective: Transfer air to your target location in a quick and reasonably quiet way, with a fan speed of 2500 RPM for an air flow of 195 CFM.
- Low Noise Design: Fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30 dB.
- Easy to Install: Removable duct ends with locking tabs for easy removal and maintenance, 5.9 feet length power cord.
Rank No. #18
AC Infinity CLOUDLINE PRO T4, Quiet 4” Inline Duct Fan with Temperature Humidity VPD Controller, WiFi Integrated App Control - Ventilation Exhaust Fan for Heating Cooling, Grow Tents, Hydroponics
- Designed to ventilate hydroponic grow rooms, transfer heating/cooling, cool AV closets, and exhaust odors.
- Dynamic temperature and humidity programming, with timers, grow cycles, scheduling, minimum speed.
- Remotely connect to our WiFi app to access advance programs, view climate data, and set automation.
- Mixed flow design combined with a PWM-controlled EC-motor for a truly quiet and energy efficient performance.
- Duct Size: 4” | Dimensions: 6.9 x 11.9 x 7.4 in. | Airflow: 205 CFM | Noise: 28 dBA | Bearings: Dual Ball
Rank No. #19
YSSOA 4 Inch Inline Duct Ventilation Fan 195 CFM HVAC Vent Blower Exhaust Booster for Hydroponics Grow Tent, Quiet
- Effective ventilation: Quiet and efficient design with a fan speed of 2500 RPM for an air flow of 195 CFM. Powerful blower to move air to your target location for optimal ventilation
- Easy assembly: Removable intake and exhaust ends with locking tabs for simple and easy hookup, no tools or screws required. Easy to install, quick to remove and convenient to maintain. The cable length is 5.9 feet and can be easily set
- Quiet operation: Equipped with a flow deflector that makes the fan airflow more concentrated and reduces the turbulence energy. Run at only 30 dB noise level to ensure the grow operation won’t disturb your life and does not have any harm to your health
- Multi applications: Suitable for grow tent, greenhouse, basement workshops, bathroom or kitchen. Clean and freshen air. Keep environment humidity and temperature balanced
- Premium design: Lightweight and compact fan takes up minimal space and fits in any grow room. High-quality blades and efficient flow deflector increase airflow while realizing smooth, whisper-quiet operation
SaleRank No. #20
iPower 4 Inch 195 CFM Duct Inline Ventilation Fan Air Circulation Vent HVAC Exhaust Blower for Grow Tent, Greenhouses, Basements or Kitchens, Black
- High effective: Transfer air to your target location in a quick and reasonably quiet way, with a fan speed of 2500 RPM for an air flow of 195 CFM
- Low noise design: Fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30 dB
- Mini construction: Lightweight, compact fan takes up minimal space, suitable for applications where larger fans just won’t fit
- Multifunction: Perfect for grow tents, greenhouses, hydroponics, kitchens, bathrooms, basements, locker rooms, garage to reduce humidity, clear the air and lower temperatures in grow rooms
- Easy to install: Removable duct ends with locking tabs for easy removal and maintenance, 5.9 feet length power cord
Last update on 2023-08-06 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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