20 Best Inline Duct Fan of 2022

Are you looking for the best Inline Duct Fan? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Inline Duct Fan.


Having trouble finding a great Inline Duct Fan?


This problem is well understood by us because we have gone through the entire Inline Duct Fan research process ourselves, which is why we have put together a comprehensive list of the best Inline Duct Fans available in the market today.


After hours of searching and using all the models on the market, we have found the best Inline Duct Fan for 2022. See our ranking below!

We Recommended:

# Preview Product
1
AC Infinity RAXIAL S6, Inline Booster Duct Fan 6” with Speed Controller - Low Noise Inline HVAC...
AC Infinity RAXIAL S6, Inline Booster Duct Fan 6” with Speed Controller – Low Noise Inline HVAC…
2
AC Infinity RAXIAL S4, Inline Booster Duct Fan 4” with Speed Controller - Low Noise Inline HVAC...
AC Infinity RAXIAL S4, Inline Booster Duct Fan 4” with Speed Controller – Low Noise Inline HVAC…
3
AC Infinity CLOUDLINE S6, Quiet 6” Inline Duct Fan with Speed Controller - Ventilation Exhaust Fan...
AC Infinity CLOUDLINE S6, Quiet 6” Inline Duct Fan with Speed Controller – Ventilation Exhaust…
4
AC Infinity CLOUDLINE T6, Quiet 6” Inline Duct Fan with Temperature Humidity Controller -...
AC Infinity CLOUDLINE T6, Quiet 6” Inline Duct Fan with Temperature Humidity Controller -…
5
AC Infinity CLOUDLINE S4, Quiet 4” Inline Duct Fan with Speed Controller - Ventilation Exhaust Fan...
AC Infinity CLOUDLINE S4, Quiet 4” Inline Duct Fan with Speed Controller – Ventilation Exhaust…
6
VIVOSUN 4 Inch 195 CFM Inline Duct Ventilation Fan Vent Blower for Grow Tent
VIVOSUN 4 Inch 195 CFM Inline Duct Ventilation Fan Vent Blower for Grow Tent
7
AC Infinity CLOUDLINE T4, Quiet 4” Inline Duct Fan with Temperature Humidity Controller -...
AC Infinity CLOUDLINE T4, Quiet 4” Inline Duct Fan with Temperature Humidity Controller -…
8
AC Infinity CLOUDLINE LITE A6, Quiet 6” Inline Duct Fan with Speed Controller - Ventilation...
AC Infinity CLOUDLINE LITE A6, Quiet 6” Inline Duct Fan with Speed Controller – Ventilation…
9
VIVOSUN 6 Inch 390 CFM Inline Duct Fan with Variable Speed Controller HVAC Blower for Ventilation
VIVOSUN 6 Inch 390 CFM Inline Duct Fan with Variable Speed Controller HVAC Blower for Ventilation
10
iPower 4 Inch 195 CFM Duct Inline Ventilation Fan Air Circulation Vent HVAC Exhaust Blower for Grow...
iPower 4 Inch 195 CFM Duct Inline Ventilation Fan Air Circulation Vent HVAC Exhaust Blower for…
11
VIVOSUN 4 inch Inline Duct Fan 100 CFM, HVAC Exhaust Intake Fan, Low Noise & Extra Long 5.5'...
VIVOSUN 4 inch Inline Duct Fan 100 CFM, HVAC Exhaust Intake Fan, Low Noise & Extra Long 5.5’…
12
VIVOHOME 8 Inch 735 CFM Black Round Exhaust Inline Duct Fan with Variable Speed Controller for...
VIVOHOME 8 Inch 735 CFM Black Round Exhaust Inline Duct Fan with Variable Speed Controller for…
13
AC Infinity RAXIAL S8, Inline Booster Duct Fan 8” with Speed Controller - Low Noise Inline HVAC...
AC Infinity RAXIAL S8, Inline Booster Duct Fan 8” with Speed Controller – Low Noise Inline HVAC…
14
AC Infinity CLOUDLINE S8, Quiet 8” Inline Duct Fan with Speed Controller - Ventilation Exhaust Fan...
AC Infinity CLOUDLINE S8, Quiet 8” Inline Duct Fan with Speed Controller – Ventilation Exhaust…
15
AC Infinity CLOUDLINE S10, Quiet 10” Inline Duct Fan with Speed Controller - Ventilation Exhaust...
AC Infinity CLOUDLINE S10, Quiet 10” Inline Duct Fan with Speed Controller – Ventilation…
16
iPower 4 Inch 100 CFM Booster Fan Inline Vent Blower with Intake 5.5' Grounded Power Cord, 8 Feet...
iPower 4 Inch 100 CFM Booster Fan Inline Vent Blower with Intake 5.5′ Grounded Power Cord, 8 Feet…
17
Inline Duct Fan 4 Inch Vent Booster, HVAC Exhaust Intake Fans 76 CFM, Ventilation Blower for Grow...
Inline Duct Fan 4 Inch Vent Booster, HVAC Exhaust Intake Fans 76 CFM, Ventilation Blower for Grow…
18
VIVOHOME 4 Inch 195CFM Plastic Round Exhaust Inline Duct Fan for Hydroponics Grow Tent Ventilation
VIVOHOME 4 Inch 195CFM Plastic Round Exhaust Inline Duct Fan for Hydroponics Grow Tent Ventilation
19
VIVOSUN 6 Inch 390 CFM Inline Fan with Speed Controller, 6 Inch Carbon Filter and 8 Feet of Ducting,...
VIVOSUN 6 Inch 390 CFM Inline Fan with Speed Controller, 6 Inch Carbon Filter and 8 Feet of…
20
VIVOSUN Ventilation Kit 4 Inch 190 CFM Inline Fan with Speed Controller, 4 Inch Black Carbon Filter...
VIVOSUN Ventilation Kit 4 Inch 190 CFM Inline Fan with Speed Controller, 4 Inch Black Carbon…

20 Best Inline Duct Fan Reviews in 2022

Bestseller No. 1


AC Infinity RAXIAL S6, Inline Booster Duct Fan 6” with Speed Controller – Low Noise Inline HVAC…

  • 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

Bestseller No. 2


AC Infinity RAXIAL S4, Inline Booster Duct Fan 4” with Speed Controller – Low Noise Inline HVAC…

  • 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

Bestseller No. 3


AC Infinity CLOUDLINE S6, Quiet 6” Inline Duct Fan with Speed Controller – Ventilation Exhaust Fan…

  • 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

Bestseller No. 4


AC Infinity CLOUDLINE T6, Quiet 6” Inline Duct Fan with Temperature Humidity Controller -…

  • Designed to ventilate hydroponic grow rooms, transfer heating/cooling, cool AV closets, and exhaust odors.
  • Intelligent controller with temperature and humidity programming, fan speed control, timer, and alarm system.
  • Mixed flow design combined with a PWM-controlled EC-motor for a truly quiet and energy efficient performance.
  • Kit also includes corded sensor probe, AC power plug, two duct clamps, and required mounting hardware.
  • Duct Size: 6” | Dimensions: 7.9 x 12.6 x 8.4 in. | Airflow: 402 CFM | Noise: 32 dBA | Bearings: Dual Ball

Bestseller No. 5


AC Infinity CLOUDLINE S4, Quiet 4” Inline Duct Fan with Speed Controller – Ventilation Exhaust Fan…

  • 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

SaleBestseller No. 6


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

  • Effective Ventilation: Powerful blower with a fan speed of 2500 RPM for an airflow of 195 CFM; Moves air through your target location efficiently for…
  • Efficient Design: Lightweight, the compact fan takes up minimal space; Ideal for applications where larger fans just won’t fit; Efficient flow…
  • Low Noise Level: Fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30 dB
  • Easy Installation: Flanges on both the intake and exhaust ends for simple and easy hookup and a cord length of 5.9 feet for hassle-free setup
  • Versatile Applications: Use anywhere that would benefit from improved air flow to reduce humidity, clear the air, and lower temperatures in grow…

Bestseller No. 7


AC Infinity CLOUDLINE T4, Quiet 4” Inline Duct Fan with Temperature Humidity Controller -…

  • Designed to ventilate hydroponic grow rooms, transfer heating/cooling, cool AV closets, and exhaust odors.
  • Intelligent controller with temperature and humidity programming, fan speed control, timer, and alarm system.
  • Mixed flow design combined with a PWM-controlled DC or EC-motor for a truly quiet and energy efficient performance.
  • Kit also includes corded sensor probe, AC power plug, two duct clamps, and required mounting hardware.
  • Duct Size: 4” | Dimensions: 6.9 x 11.9 x 7.4 in. | Airflow: 205 CFM | Noise: 28 dBA | Bearings: Dual Ball

Bestseller No. 8


AC Infinity CLOUDLINE LITE A6, Quiet 6” Inline Duct Fan with Speed Controller – Ventilation…

  • 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

SaleBestseller No. 9


VIVOSUN 6 Inch 390 CFM Inline Duct Fan with Variable Speed Controller HVAC Blower for Ventilation

  • Effective Ventilation: Powerful blower with a fan speed of 2550 RPM for an air flow of 390 CFM; Moves air through your target location efficiently for…
  • Low Noise Level: Durable plastic fan housing and blades for extremely low noise(<37 dB); Variable speed controller for easy fan speed adjustment
  • Easy Installation: Removable duct ends with locking tabs for quick removal and easy maintenance and a cord length of 5.4 feet for hassle free setup
  • Versatile Applications: Suitable for industrial, household and horticulture ventilation applications for air clean and temperature control
  • Note: Comes with an installation bracket indicating the direction of the airflow; Max Ambient Temp is 104℉ / 40℃

Bestseller No. 10


iPower 4 Inch 195 CFM Duct Inline Ventilation Fan Air Circulation Vent HVAC Exhaust Blower for Grow…

  • 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…
  • Easy to install: Removable duct ends with locking tabs for easy removal and maintenance, 5.9 feet length power cord

SaleBestseller No. 11


VIVOSUN 4 inch Inline Duct Fan 100 CFM, HVAC Exhaust Intake Fan, Low Noise & Extra Long 5.5’…

  • HOUSEHOLD APPLICATIONS: Help to boost airflow in HVAC units to remove exhausts from bathrooms & workshops and ventilate basements & attics, etc.
  • UPGRADED ADVANTAGES: Superior balanced Plastic blades for long service life & quiet operation; Motor features a permanently lubricated bearing that…
  • SPECS.: Diameter 4 inch, Speed 2930 RPM, Air Flow 100 CFM, Voltage 110/120V, Power 12W
  • GROW ROOM APPLICATIONS: Used as intake fan to bring fresh air into grow rooms; Also used as exhaust fan in smaller setups with LEDs or Lights under…
  • NOTE: Max Operating Temp of Motor is 130℃ / 266℉; Max Ambient Temp is 60℃ / 140℉. If any other materials/particles get into the duct fan and…

Bestseller No. 12


VIVOHOME 8 Inch 735 CFM Black Round Exhaust Inline Duct Fan with Variable Speed Controller for…

  • EFFICIENT FAN – Combines the features and benefits of axial and centrifugal fan, effectively circulates air for room ventilation and purification;…
  • EASY ASSEMBLY – Features with lightweight, durable and UV resistant plastic housing guarantees long-term use; Simply remove the duct ends with locking…
  • SPEED CONTROLLABLE – A variable speed controller designed in the 5.4 feet power cord, its three speed switch enables fan to run at low, medium and…
  • QUIET OPERATION – The durable fan blades revolves smoothly and powerfully, which helps collect airflow volume and cut noise output; A less than 31 dB…
  • MULTI APPLICATIONS – Help you maintain a healthy grow room by quietly and efficiently moving large volumes of air throughout your ventilation system;…

Bestseller No. 13


AC Infinity RAXIAL S8, Inline Booster Duct Fan 8” with Speed Controller – Low Noise Inline HVAC…

  • 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

Bestseller No. 14


AC Infinity CLOUDLINE S8, Quiet 8” Inline Duct Fan with Speed Controller – Ventilation Exhaust Fan…

  • Designed to ventilate hydroponic grow rooms, transfer heating/cooling, circulate air, cool AV closets, exhaust odors.
  • 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 plug, installation manual, and all necessary mounting hardware.
  • Duct Size: 8” | Dimensions: 8.5 x 11.9 x 9.2 in. | Airflow: 807 CFM | Noise: 39 dBA | Bearings: Dual Ball

Bestseller No. 15


AC Infinity CLOUDLINE S10, Quiet 10” Inline Duct Fan with Speed Controller – Ventilation Exhaust…

  • Designed to ventilate hydroponic grow rooms, transfer heating/cooling, cool AV closets, and exhaust odors.
  • Features an 8-speed manual controller utilizing PWM. See T-Series for temperature and humidity controls.
  • Mixed flow design combined with a PWM-controlled EC-motor for a truly quiet and energy efficient performance.
  • Kit also includes corded sensor probe, AC power plug, two duct clamps, and required mounting hardware.
  • Duct Size: 10” | Dimensions: 11.3 x 15.1 x 12.2 in. | Airflow: 1201 CFM | Noise: 48 dBA | Bearings: Dual Ball

Bestseller No. 16


iPower 4 Inch 100 CFM Booster Fan Inline Vent Blower with Intake 5.5′ Grounded Power Cord, 8 Feet…

  • Fan specification: Diameter: 4inch; Air flow: 100 CFM; Speed: 2930 RPM; Voltage: 110/120V; Wattage: 12W; Noise level: 40 db. Max operating temp of…
  • Advantages: Superior balanced blades for long service life & quiet operation. Motor features a permanently lubricated bearing that operates quietly…
  • Premium ventilation: Quickly and efficiently move a vast amount of air; Temperature control-cooling rooms that tend to accumulate too much heat
  • Ducting: 4 inches (diameter) x 8 feet (length) when fully extended. Thermal endurance: temperature range from 0 ~ 185°F (-18℃ ~ 85℃). Made from…
  • Application: Help boost airflow in HVAC (heating, ventilation and air conditioning) units to remove exhausts and odors from grow rooms, kitchens,…

Bestseller No. 17


Inline Duct Fan 4 Inch Vent Booster, HVAC Exhaust Intake Fans 76 CFM, Ventilation Blower for Grow…

  • 【Detail Design】–The duct booster fan adopts double-ball oil-impregnated bearings, which are permanently lubricated. With a seven-blade design, it…
  • 【High Performance】–Rotational speed 2400 r/min, 76 CFM large airflow, 12W low energy consumption. This 4 inch inline fan comes with a 37.8-inch…
  • 【Grow Tent Applications】–An inline duct fan for grow tent ventilation, used as intake fan to bring fresh air into grow rooms; also used as…
  • 【Safe and Widely Used】–Built-in overheating protection device and ABS material sleeve shell, double protection for the motor, and the motor runs…
  • 【100% Satisfaction Guarantee】–If you have any questions during use, please do not hesitate to contact us by email. We will respond within 24…

Bestseller No. 18


VIVOHOME 4 Inch 195CFM Plastic Round Exhaust Inline Duct Fan for Hydroponics Grow Tent Ventilation

  • EFFICIENT FAN – Quiet and efficient design, work well in ventilating grow tents, transfer heat or cool rooms, circulate fresh air, and control proper…
  • PREMIUM CONSTRUCTION – Blades are made with high-quality components for smooth, whisper-quiet operation; Ultra-accurate craftsmanship of the…
  • LOW NOISE – Fan runs at 2930 RPM with 195 CFM of airflow; Fan is equipped with a flow deflector to cut noise output; Runs at 30 dB noise level to…
  • EASY TO INSTALL – Simply affix the exhaust and intake mounting flange together with locking tabs, no tools or screws required; The housing, even the…
  • WIDE APPLICATIONS – Clean and freshen the air for your plants, keeping your environment cool and balanced, ideal for indoor ventilation and odor…

Bestseller No. 19


VIVOSUN 6 Inch 390 CFM Inline Fan with Speed Controller, 6 Inch Carbon Filter and 8 Feet of Ducting,…

  • Effective Ventilation: Powerful blower with a fan speed of 2550 RPM for an air flow of 390 CFM; Moves air through your target location efficiently for…
  • Superior Carbon Filter: 1050+ RC 48 Australian Virgin Charcoal Bed Dimensions: 6″ x 18″
  • Effective Smelliness Control: The carbon filter eliminates some of the most undesirable smelliness, pungent smells and particulates from indoor grow…
  • Sturdy Ducting & 2x Stainless Clamps: Strong, flexible steel wire supports heavy-duty triple layer duct walls; A PET core is sandwiched between layers…
  • Ultra Reliable & Accurate Thermometer & Hygrometer: Quickly report measurements every 10 seconds and has a wide measurement range from 14℉ to…

Bestseller No. 20


VIVOSUN Ventilation Kit 4 Inch 190 CFM Inline Fan with Speed Controller, 4 Inch Black Carbon Filter…

  • EFFECTIVE VENTILATION: Powerful blower with a fan speed of 2300 RPM for an air flow of 190 CFM; Moves air through your target location efficiently for…
  • SUPERIOR CARBON FILTER: 1050+ RC 48 Australian Virgin Charcoal Bed; Dimensions: 4″ x 14″
  • EFFECTIVE SMELLINESS CONTROL: The carbon filter eliminates some of the most undesirable smelliness, pungent smell and particulates from indoor grow…
  • STURDY DUCTING+ 2 Stainless Clamps: Strong, flexible steel wire supports heavy duty triple layer duct walls; PET core is sandwiched in layers of…
  • ADVANCED MADE EASY: Don’t waste time buying and returning parts that may or may not be compatible or safe to use together; Three-part system…

How Do You Buy The Best Inline Duct Fan?

Do you get stressed out thinking about shopping for a great Inline Duct Fan? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Inline Duct Fan, which is why we have assembled a comprehensive list of the greatest Inline Duct Fan available in the current market. We’ve also come up with a list of questions that you probably have yourself.


Apmec has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Inline Duct Fan that you consider buying. Your questions might include the following:


  • Is it worth buying an Inline Duct Fan?
  • What benefits are there with buying an Inline Duct Fan?
  • What factors deserve consideration when shopping for an effective Inline Duct Fan?
  • Why is it crucial to invest in any Inline Duct Fan, much less the best one?
  • Which Inline Duct Fan are good in the current market?
  • Where can you find information like this about Inline Duct Fan?

We’re convinced that you likely have far more questions than just these regarding Inline Duct Fan, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.


Potential sources can include buying guides for Inline Duct Fan, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Inline Duct Fan. Make sure that you are only using trustworthy and credible websites and sources.


Apmec provides an Inline Duct Fan buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Inline Duct Fan currently available on the market.


This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Inline Duct Fan has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Inline Duct Fan?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Inline Duct Fan.
  5. Customer Ratings: Number ratings grade Inline Duct Fan objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Inline Duct Fan.
  7. Product Quality: You don’t always get what you pay for with an Inline Duct Fan, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Inline Duct Fan is should be an indication of how long it will work out for you.


Apmec always remembers that maintaining Inline Duct Fan information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.


If you think that anything we present here regarding Inline Duct Fan is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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