Best Inline Duct Fan For Hvac

Peter | 31-12-2025

With so many great Best Inline Duct Fan For Hvac to pick from, like those from brands such as VIVOSUN,iPower,ONVEAN, it can be tricky for customers to decide what to buy. But after extensive research, we’ve discovered the stand-out Best Inline Duct Fan For Hvac currently on the market.

Our team rigorously tested numerous products available to consumers. The one that stands at the top of our list is VIVOSUN Best Inline Duct Fan For Hvac, thanks to its impressive performance and features. Below you’ll find more of our top-rated picks, along with insightful analysis from our seasoned experts. Check out their thoughts before making your purchasing choice. With this guide backing your decision, you’re sure to end up with a Best Inline Duct Fan For Hvac you’ll love.

Editor's Choice
VIVOSUN 6 Inch Inline Duct Fan 240 CFM, HVAC Exhaust Ventilation Fan with Low Noise for Basements,
VIVOSUN 6 Inch Inline Duct Fan 240 CFM, HVAC Exhaust Ventilation Fan with Low Noise for Basements,
Premium Pick
Hon&Guan 6 Inch Inline Booster Duct Fan with Speed Controller - 345 CFM Airflow with 19.2W Ultra-Low
Hon&Guan 6 Inch Inline Booster Duct Fan with Speed Controller - 345 CFM Airflow with 19.2W Ultra-Low
Budget Pick
VIVOSUN 8 Inch Inline Duct Fan 420 CFM, HVAC Exhaust Ventilation Fan with Low Noise for Basements,
VIVOSUN 8 Inch Inline Duct Fan 420 CFM, HVAC Exhaust Ventilation Fan with Low Noise for Basements,

Top 10 Best Inline Duct Fan For Hvac

We researched and compared the top products in the Best Inline Duct Fan For Hvac category to provide you with these recommendations.

1. VIVOSUN 6 Inch Inline Duct Fan 240 CFM, HVAC Exhaust Ventilation Fan with Low Noise for Basements,

VIVOSUN 6 Inch Inline Duct Fan 240 CFM, HVAC Exhaust Ventilation Fan with Low Noise for Basements,
9.8

Vivosun

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  • 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 6 inches, speed of 2960 RPM and 240 CFM air flow
  • Low Noise: Superior balanced centrifugal impeller for long service life & quiet operation; A less than 37 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 37W; 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
  • To maintain optimal performance of the exhaust fan, clean the fan after the first week of use with the carbon filter connected, and then clean regularly based on usage conditions

2. iPower 4 Inch Inline Booster Duct Fan 100 CFM HVAC Exhaust Ventilation Blower with Low Noise for

  • 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.
  • 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.
  • 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.

3. VIVOSUN 8 Inch Inline Duct Fan 420 CFM, HVAC Exhaust Ventilation Fan with Low Noise for Basements,

VIVOSUN 8 Inch Inline Duct Fan 420 CFM, HVAC Exhaust Ventilation Fan with Low Noise for Basements,
9.1

Vivosun

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  • 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 8 inches, speed of 2970 RPM and 420 CFM air flow
  • Low Noise: Superior balanced centrifugal impeller for long service life & quiet operation; A less than 40 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 40W; 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
  • To maintain optimal performance of the exhaust fan, clean the fan after the first week of use with the carbon filter connected, and then clean regularly based on usage conditions

4. ONVEAN 4 Inch Inline Duct Fan with Speed Controller, Upgraded Inline Fans High-Efficiency Exhaust

  • [Ultra-Quiet Inline Fan]:This 4-inch inline duct fan delivers up to 183 CFM of powerful airflow while maintaining ultra-quiet operation at only 22 dB. Equipped with stepless speed control, it lets you precisely balance performance and noise for any environment. Ideal for grow tents, bathrooms, kitchens, and atticsquickly removes humidity, odors, and stale air.
  • [Pure Copper DC Motor & High-Efficiency Airflow]:Featuring a pure copper DC motor, this inline duct fan spins at 5000RPM with <20K temperature rise. Compared to aluminum motors, its 30% better heat dissipation and 50% lower energy use make this inline exhaust fan durable and reliable for heavy-duty needs.
  • [Durable, Safe & Versatile Use]:Built with sturdy ABS housing and PBT blades, this 4-inch inline duct fan is waterproof (IPX4), durable, and resistant to deformation. Equipped with a wide-voltage power adapter, low-voltage safety system, and stall plus overheat protection, it ensures stable and secure performance. Ideal for quietly ventilating grow rooms, bathrooms, kitchens, attics, basements, and workshopsenhancing airflow and comfort effortlessly.
  • [Easy Installation & Versatile Use Duct Fan]:This 4 inch inline fan installs quickly on walls, windows, or ceilings. Perfect for bathrooms, grow tents, attics, garages, workshops,dog househen house,camping tent,laser engraving,and laundry rooms, it fits standard 4-inch ducts like a duct booster fan.
  • [High Quality & 24/7 Support Inline Fan]Tested to strict standards, this 4 inline fan includes a 2-year warranty and 24/7 customer service. No need to returncontact us for any issues!

5. VIVOSUN Inline Booster Duct Fan 6” 275 CFM with Speed Controller, HVAC Exhaust Ventilation Fan

VIVOSUN Inline Booster Duct Fan 6” 275 CFM with Speed Controller, HVAC Exhaust Ventilation Fan
8.7

Vivosun

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  • Durable: The fan has a strong motor which features a permanently lubricated bearing that operates quietly and requires no maintenance; The quality steel housing makes it sturdy and built to last
  • Adjustable Speed: A variable 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
  • Compact But Efficient: This duct fan is compact and lightweight enough to be installed in areas with little available space; With a diameter of 6 inches, speed of 3120 RPM and 275 CFM airflow
  • Low Noise: Superior balanced centrifugal impeller for long service life & quiet operation; A less than 35 dB noise level does not have any harm and will not disturb your life
  • 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
  • To maintain optimal performance of the exhaust fan, clean the fan after the first week of use with the carbon filter connected, and then clean regularly based on usage conditions

6. VIVOSUN D4 4 Inch 195 CFM Inline Duct Ventilation Fan, HVAC Vent Blower for Grow Tent, Attic,

VIVOSUN D4 4 Inch 195 CFM Inline Duct Ventilation Fan, HVAC Vent Blower for Grow Tent, Attic,
9.1

Vivosun

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  • Powerful Airflow: This 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

7. Hon&Guan 6 Inch Inline Booster Duct Fan with Speed Controller - 345 CFM Airflow with 19.2W Ultra-Low

Hon&Guan 6 Inch Inline Booster Duct Fan with Speed Controller - 345 CFM Airflow with 19.2W Ultra-Low
9.8

Hon&guan

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  • Energy-Efficient VentilationThis powerful inline duct fan speed of 3300 RPM can create the air flow of 345 CFM, Maximum power consumption is only 19.2W. Upgrade DC motor & low noise effectively circulating air, quickly move vast amount of air to exhaust odors.
  • Application ScenariosThe 6 inch booster duct fan designed to quietly ventilate grow rooms, bathrooms, kitchens, workshops, basements, attics and etc, in order to boost airflow in HVAC systems.
  • Easy to InstallHon&Guan air exhaust fan's blade and the body are made of high quality plastic, for quick removal and easy maintenance.
  • Adjustable Controller The 6-inch duct fan includes a variable speed controller, which can allows you to adjust the airflow and noise at will.
  • Excellent PerformanceDuct size: 6 | Dimensions: 7.28 x 5.79 x 5.79 in. | Voltage: 100-240V| Air Presssure: 142 Pa| Noise: 32 dBA

8. Hon&Guan 4 Inch Inline Booster Duct Fan with Speed Controller - 130 CFM Airflow with 6W Ultra-Low

Hon&Guan 4 Inch Inline Booster Duct Fan with Speed Controller - 130 CFM Airflow with 6W Ultra-Low
8.7

Hon&guan

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  • Energy-Efficient VentilationThis 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 ScenariosThe 4 inch booster duct fan designed to quietly ventilate grow rooms, bathrooms, kitchens, workshops, basements, attics and etc, in order to boost airflow in HVAC systems.
  • Easy to InstallHon&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 PerformanceDuct size: 4 | Dimensions: 7.28 x 3.82 x 3.82 in. | Voltage: 100-240V| Air Presssure: 165 Pa| Noise: 26 dBA

9. AC Infinity CLOUDLINE A6, Quiet 6” Inline Duct Fan with Speed Controller, EC Motor - Ventilation

AC Infinity CLOUDLINE A6, Quiet 6” Inline Duct Fan with Speed Controller, EC Motor - Ventilation
8.5

Ac Infinity

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  • 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: 6" | Dimensions: 7.9 x 12.6 x 8.4 in. | Airflow: 352 CFM | Noise: 34 dBA | Bearings: Dual Ball

10. SunStream 10 Inch 1170 CFM Inline Booster Duct Fan Ventilation HVAC Exhaust Fan with Low Noise for

SunStream 10 Inch 1170 CFM Inline Booster Duct Fan Ventilation HVAC Exhaust Fan with Low Noise for
7.7

Sunstream

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  • 10 Inch inline booster fan, 1170 CFM air flow, 2970 RPM, 110/120v , efficient ventilation solution for multiple spaces
  • The 10 inch inline fan comes with balanced blades, these blades are designed to not only enhance the overall durability and extend the service life of the fan
  • Duct fan used as intake fan to bring fresh air into grow rooms,also used as exhaust fan in smaller setups with LED or lights under 400w; also very suitable for ventilation of bathrooms, workshops, basements and attics
  • Max operating temp of inline fan is 130 / 266,max ambient temp is 60 / 140. if any other materials/particles get into the duct fan and get the blade stuck, users are to turn off the power immediately, clean it up, turn the power back on when handled properly
  • Inline fan will help to boost airflow in HVAC units to remove exhausts and odors from bathrooms workshops and ventilate basements attics ect

Peter

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