If you’re looking for the inline fans you’re in the right place. We spent a lot of time reviewing best inline fans to come up with the Ten that we think stand apart from the pack in style, functionality, and value. In this guide, we have reviewed all the products and generated the best options available today for you.

We analyzed and compared 37 inline fans sold for nearly 37 hours, and considered the opinions of 662 consumers. Following our last update, our favorite model is the iPower 4 Inch 230 CFM Inline Duct Ventilation Fan Quiet Vent Blower for Hydroponics Grow Tent, Greenhouse Air Circulation, 4″ New, Black. However, if you don’t want to spend extra then we have another vast option for you is AC Infinity CLOUDLINE S6, Quiet 6” Inline Duct Fan with Speed Controller – Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics.

Below is a review of some of the best inline fans together with their extra features and functions. Wanna find the Top inline fans? Read the below list right the way.

Best inline fans

Image
Product Title
Score

AC Infinity RAXIAL S6, Inline Booster Duct Fan 6” with Speed Controller - Low Noise Inline HVAC Blower Can Fan for Basements, Bathrooms, Kitchens, Workshops
9.9

AC Infinity RAXIAL S4, Inline Booster Duct Fan 4” with Speed Controller - Low Noise Inline HVAC Blower Can Fan for Basements, Bathrooms, Kitchens, Workshops
9.6

VIVOSUN 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent
9.2

AC Infinity CLOUDLINE S6, Quiet 6” Inline Duct Fan with Speed Controller - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics
8.7

VIVOSUN 6 Inch Inline Duct Fan 240 CFM, HVAC Exhaust Ventilation Fan with Low Noise for Basements, Bathrooms, Kitchens and Attics, Silver
8.3

iPower 4 Inch 230 CFM Inline Duct Ventilation Fan Quiet Vent Blower for Hydroponics Grow Tent, Greenhouse Air Circulation, 4
8.2

AC Infinity CLOUDLINE T6, Quiet 6” Inline Duct Fan with Temperature Humidity Controller, Bluetooth App - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics
7.7

AC Infinity RAXIAL S8, Inline Booster Duct Fan 8” with Speed Controller - Low Noise Inline HVAC Blower Can Fan for Basements, Bathrooms, Kitchens, Workshops
7.4

AC Infinity CLOUDLINE S4, Quiet 4” Inline Duct Fan with Speed Controller - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics
7.2

TerraBloom 8 Inch (200 mm) Inline Fan - 735 CFM Exhaust Duct Fan, Built-In Speed Controller, ETL Listed, Pre-Wired 6 FT Grounded Cord - For Use In Grow Tents With Carbon Filters, Fixtures, Attics
6.7

Image
Product Title

AC Infinity RAXIAL S6, Inline Booster Duct Fan 6” with Speed Controller - Low Noise Inline HVAC Blower Can Fan for Basements, Bathrooms, Kitchens, Workshops

9.9

AC Infinity RAXIAL S4, Inline Booster Duct Fan 4” with Speed Controller - Low Noise Inline HVAC Blower Can Fan for Basements, Bathrooms, Kitchens, Workshops

9.6

VIVOSUN 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent

9.2

AC Infinity CLOUDLINE S6, Quiet 6” Inline Duct Fan with Speed Controller - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

8.7

VIVOSUN 6 Inch Inline Duct Fan 240 CFM, HVAC Exhaust Ventilation Fan with Low Noise for Basements, Bathrooms, Kitchens and Attics, Silver

8.3

iPower 4 Inch 230 CFM Inline Duct Ventilation Fan Quiet Vent Blower for Hydroponics Grow Tent, Greenhouse Air Circulation, 4

8.2

AC Infinity CLOUDLINE T6, Quiet 6” Inline Duct Fan with Temperature Humidity Controller, Bluetooth App - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

7.7

AC Infinity RAXIAL S8, Inline Booster Duct Fan 8” with Speed Controller - Low Noise Inline HVAC Blower Can Fan for Basements, Bathrooms, Kitchens, Workshops

7.4

AC Infinity CLOUDLINE S4, Quiet 4” Inline Duct Fan with Speed Controller - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

7.2

TerraBloom 8 Inch (200 mm) Inline Fan - 735 CFM Exhaust Duct Fan, Built-In Speed Controller, ETL Listed, Pre-Wired 6 FT Grounded Cord - For Use In Grow Tents With Carbon Filters, Fixtures, Attics

6.7

AC Infinity RAXIAL S6, Inline Booster Duct Fan 6” with Speed Controller – Low Noise Inline HVAC Blower Can Fan for Basements, Bathrooms, Kitchens, Workshops


More Info and Images

AC Infinity RAXIAL S6, Inline Booster Duct Fan 6” with Speed Controller - Low Noise Inline HVAC Blower Can Fan for Basements, Bathrooms, Kitchens, Workshops

$34.99  in stock
5 used from $31.27
Free shipping
Amazon.com
as of August 7, 2022 5:40 am

Features

  • A duct fan designed to increase 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 brushless motor with steel blades and lubricated bearings; not suitable in restricted airflow applications.
  • Duct size: 6” | Dimensions: 7.28 x 5.90 x 5.90 in. | Airflow: 265 CFM | Noise: 35 dBA | Bearings: Dual Ball

AC Infinity RAXIAL S4, Inline Booster Duct Fan 4” with Speed Controller – Low Noise Inline HVAC Blower Can Fan for Basements, Bathrooms, Kitchens, Workshops


More Info and Images

AC Infinity RAXIAL S4, Inline Booster Duct Fan 4” with Speed Controller - Low Noise Inline HVAC Blower Can Fan for Basements, Bathrooms, Kitchens, Workshops

$29.99  in stock
1 used from $26.99
Free shipping
Amazon.com
as of August 7, 2022 5:40 am

Features

  • A duct fan designed to boost 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 brushless motor with steel blades and lubricated bearings; not suitable in restricted airflow applications.
  • Duct size: 4” | Dimensions: 7.28 x 3.95 x 3.95 in. | Airflow: 106 CFM | Noise: 28 dBA | Bearings: Dual Ball

VIVOSUN 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent


More Info and Images

VIVOSUN 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent

$42.99
$29.99
 in stock
6 used from $26.99
Free shipping
Amazon.com
as of August 7, 2022 5:40 am

Features

  • 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; Can be used with a variable speed controller (bought separately)

AC Infinity CLOUDLINE S6, Quiet 6” Inline Duct Fan with Speed Controller – Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics


More Info and Images

AC Infinity CLOUDLINE S6, Quiet 6” Inline Duct Fan with Speed Controller - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

$119.00  in stock
3 new from $119.00
1 used from $89.03
Free shipping
Amazon.com
as of August 7, 2022 5:40 am

Features

  • Designed to ventilate grow tents, transfer heating/cooling to rooms, circulate air, exhaust odors, and cool AV racks.
  • Features an 8-speed manual controller utilizing PWM. See T-Series for temperature and humidity controls.
  • Mixed flow design combined with an EC-powered motor for a truly quiet and energy efficient performance.
  • Kit also includes corded AC power adapter, installation manual, and all necessary mounting hardware.
  • Duct Size: 6” | Dimensions: 7.9 x 12.6 x 8.4 in. | Airflow: 402 CFM | Noise: 32 dBA | Bearings: Dual Ball

VIVOSUN 6 Inch Inline Duct Fan 240 CFM, HVAC Exhaust Ventilation Fan with Low Noise for Basements, Bathrooms, Kitchens and Attics, Silver


More Info and Images

VIVOSUN 6 Inch Inline Duct Fan 240 CFM, HVAC Exhaust Ventilation Fan with Low Noise for Basements, Bathrooms, Kitchens and Attics, Silver

$36.99
$33.99
 in stock
2 used from $29.81
Free shipping
Amazon.com
as of August 7, 2022 5:40 am

Features

  • 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

iPower 4 Inch 230 CFM Inline Duct Ventilation Fan Quiet Vent Blower for Hydroponics Grow Tent, Greenhouse Air Circulation, 4″ New, Black


More Info and Images

iPower 4 Inch 230 CFM Inline Duct Ventilation Fan Quiet Vent Blower for Hydroponics Grow Tent, Greenhouse Air Circulation, 4" New, Black

$27.99  in stock
Amazon.com
as of August 7, 2022 5:40 am

Features

  • 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

AC Infinity CLOUDLINE T6, Quiet 6” Inline Duct Fan with Temperature Humidity Controller, Bluetooth App – Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics


More Info and Images

AC Infinity CLOUDLINE T6, Quiet 6” Inline Duct Fan with Temperature Humidity Controller, Bluetooth App - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

$159.00  in stock
3 new from $159.00
2 used from $151.31
Free shipping
Amazon.com
as of August 7, 2022 5:40 am

Features

  • 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.
  • Connect with our app via Bluetooth to access advance programs, alarms, notifications, and view climate data.
  • Mixed flow design combined with a PWM-controlled EC-motor for a truly quiet and energy efficient performance.
  • Duct Size: 6” | Dimensions: 7.9 x 12.6 x 8.4 in. | Airflow: 402 CFM | Noise: 32 dBA | Bearings: Dual Ball

AC Infinity RAXIAL S8, Inline Booster Duct Fan 8” with Speed Controller – Low Noise Inline HVAC Blower Can Fan for Basements, Bathrooms, Kitchens, Workshops


More Info and Images

AC Infinity RAXIAL S8, Inline Booster Duct Fan 8” with Speed Controller - Low Noise Inline HVAC Blower Can Fan for Basements, Bathrooms, Kitchens, Workshops

$39.99  in stock
2 used from $39.59
Free shipping
Amazon.com
as of August 7, 2022 5:40 am

Features

  • A duct fan designed to boost 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 brushless motor with steel blades and lubricated bearings; not suitable in restricted airflow applications.
  • Duct size: 8” | Dimensions: 7.28 x 7.87 x 7.87 in. | Airflow: 428 CFM | Noise: 43 dBA | Bearings: Dual Ball

AC Infinity CLOUDLINE S4, Quiet 4” Inline Duct Fan with Speed Controller – Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics


More Info and Images

AC Infinity CLOUDLINE S4, Quiet 4” Inline Duct Fan with Speed Controller - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

$99.00  in stock
2 new from $99.00
2 used from $96.94
Free shipping
Amazon.com
as of August 7, 2022 5:40 am

Features

  • Designed to ventilate grow tents, transfer heating/cooling to rooms, circulate air, exhaust odors, and cool AV racks.
  • Features an 8-speed manual controller utilizing PWM. See T-Series for temperature and humidity controls.
  • Mixed flow design combined with an EC-powered motor for a truly quiet and energy efficient performance.
  • Kit also includes corded AC power adapter, installation manual, and all necessary mounting hardware.
  • Duct Size: 4” | Dimensions: 6.9 x 11.9 x 7.4 in. | Airflow: 205 CFM | Noise: 28 dBA | Bearings: Dual Ball

TerraBloom 8 Inch (200 mm) Inline Fan – 735 CFM Exhaust Duct Fan, Built-In Speed Controller, ETL Listed, Pre-Wired 6 FT Grounded Cord – For Use In Grow Tents With Carbon Filters, Fixtures, Attics


More Info and Images

TerraBloom 8 Inch (200 mm) Inline Fan - 735 CFM Exhaust Duct Fan, Built-In Speed Controller, ETL Listed, Pre-Wired 6 FT Grounded Cord - For Use In Grow Tents With Carbon Filters, Fixtures, Attics

$99.99  in stock
Amazon.com
as of August 7, 2022 5:40 am

Features

Part NumberTB-MFIF-8
ColorBlack
Size8" Inline Fan (735 CFM)

This guide identifies some of the best inline fans currently on the market and also includes an in-depth buying guide to help you make the right decision. If you didn’t find your desired one check out the AC Infinity CLOUDLINE T6, Quiet 6” Inline Duct Fan with Temperature Humidity Controller, Bluetooth App – Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics is also the most sold item in the market. If you feel that the information provided here is misleading, incorrect, or is removed from actual facts, then please do not hesitate to get in touch with us. We will always be there for you.