Best Inline Duct Fan For Hvac

Peter | 31-03-2025

With so many great Best Inline Duct Fan For Hvac to pick from, like those from brands such as VIVOSUN,Hon&Guan,AC Infinity, 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
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
Premium Pick
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,
Budget Pick
VIVOSUN D4 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent
VIVOSUN D4 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent

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 D4 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent

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

Vivosun

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  • 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)

2. 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
9.5

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

3. 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
8.3

Ac Infinity

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  • 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

4. 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,
9.5

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

5. VIVOSUN M4 4-Inch Inline Duct Fan, 195 CFM Ventilation Fan with EC Motor, Adjustable Speed,

VIVOSUN M4 4-Inch Inline Duct Fan, 195 CFM Ventilation Fan with EC Motor, Adjustable Speed,
8.7

Vivosun

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  • Efficient and Quiet Ventilation: The PWM-controlled EC motor and mixed-flow design deliver powerful, quiet, and energy-efficient performance; Operating at 2800 RPM, this fan generates 195 CFM of airflow with low energy use and a noise level of just 28 dB
  • Adjustable Fan Speed: PWM control enables precise and easy speed adjustment to suit your needs; Simply turn the knob to select from three speed levels and set the fan to your desired speed effortlessly
  • Safety Protection: The ETL-listed EC motor includes an automatic reset function to prevent overheating and ensure safety; With locked-rotor protection, the fan cuts off power and resets automatically if the blades are blocked; The flame-retardant electrical junction box enhances fireproofing
  • Simple Hookup:Intake and exhaust flanges with locking tabs make vent hose connections quick and secure; The 5.9 ft cord provides flexible setup; The detachable housing, impeller, and blade simplify cleaning and maintenance
  • Versatile Applications: Efficiently exhausts stale air, supplies fresh air, and boosts airflow to balance humidity, regulate temperature, and improve air quality in grow tents, grow rooms, basements, or other spaces

6. VIVOSUN Inline Booster Duct Fan 8” 430 CFM with Speed Controller, HVAC Exhaust Ventilation Fan

VIVOSUN Inline Booster Duct Fan 8” 430 CFM with Speed Controller, HVAC Exhaust Ventilation Fan
8.5

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 8 inches, speed of 3000 RPM and 430 CFM airflow
  • Low Noise: Superior balanced centrifugal impeller for long service life & quiet operation; A less than 43 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

7. VIVOSUN R6 6 Inch 390 CFM Inline Duct Fan with Variable Speed Controller HVAC Blower for Ventilation

VIVOSUN R6 6 Inch 390 CFM Inline Duct Fan with Variable Speed Controller HVAC Blower for Ventilation
8.3

Vivosun

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  • Energy-Efficient Ventilation: This powerful blower with a fan speed of 2550 RPM can create an air flow of 390 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 34 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

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

  • Efficient and durable: High quailty 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
  • High speed and low noise: Diameter-4 inch, speed-2930 RPM, air flow-100 CFM. A less than 30 dB noise level will not disturb your work and do not have any harm
  • Easy to install: Compact, lightweight and easy to be installed in areas with little available space. Sufficient 5.5' grounded power cord inside is convenient to use
  • Wide application: Boost airflow and exhaust air for HVAC system to remove heats & odors or intake fresh air. Used as intake fans or exhaust fan in grow tents, kitchens, bathrooms, basements, attics, garage, workshops and 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.

9. AC Infinity Automatic Duct Fan 4", Inline Fan with Differential Fan Pressure Switch, Air Vent

AC Infinity Automatic Duct Fan 4
7.9

Ac Infinity

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  • Inline duct fan for boosting airflow in ducting and vent systems to ensure heating or cooling delivery.
  • Automatically activates the ventilation fan by detecting pressure change to eliminate manual adjusting.
  • Differential pressure switch supports mounting in any position to improve directional airflow versatility.
  • Features five fan speed levels powered by the PWM-controlled EC motor for more precise ventilation.
  • Duct Size: 4 | Dim: 6.9 x 11.9 x 7.4 in. | Airflow: 230 CFM | Noise: 60 dBA | Bearings: Dual Ball

10. Voltset 4 Inch Duct Fan, Inline Ventilation Exhaust Fan, 280 CFM Duct Intake Fan High Efficiency Air

Voltset 4 Inch Duct Fan, Inline Ventilation Exhaust Fan, 280 CFM Duct Intake Fan High Efficiency Air
7.7

Voltset

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  • High-Efficiency Inline Duct Fan: Equipped with a powerful 2200 RPM motor and operating at less than 30 dB, this fan quickly improves indoor air quality while maintaining a quiet environment.
  • Multi-Purpose Duct Fan: Functions as both an intake fan to bring in fresh air and an exhaust fan to remove indoor gases, ensuring comprehensive ventilation and air circulation.
  • Easy to Install: Made from high-quality hard plastic, the fan features a sturdy structure for long-term stability. Includes a switch metal ring for easy duct installation.
  • Widely Applicable: Ideal for both commercial and residential use, perfect for grow tents, planting rooms, HVAC systems, bathroom ventilation, and more.
  • Customer Service: Voltset offers a one-year warranty and 24-hour professional customer service. Contact us anytime with your questions or concerns.
  • Note: Higher wattage results in stronger wind force and increased noise levels.

Peter

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