10 Best inline exhaust fans of 2025

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Best Choice

1

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

Key Features
Features 10-speed controller, energy-efficient PWM-controlled EC motor, and mixed flow design for optimal airflow in high resistance environments.

Ideal Use Cases
Perfect for ventilating grow tents, transferring room heating/cooling, circulating air, exhausting odors, and cooling AV racks.

Customer Praise
Most reviews highlight its quiet operation and energy efficiency as the product`s standout features.
Key specs
- wattage:38 watts
- control method:App
- noise level:32 dB
- voltage:240 Volts
- air flow:402 CFM
9.8

Exceptional

Our Rating

9.7
Easy installation

9.5
worth the money

9.5
Temperature control
How do we rank?

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Value for Money

2

AC Infinity
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
Main highlights

Key Features
Features a 10-speed wired controller, PWM-controlled EC motor for energy efficiency, and mixed flow design for powerful airflow in high-resistance areas.

Ideal Use Cases
Perfect for ventilating grow tents, transferring room heating/cooling, exhausting odors, air circulation, and cooling AV racks with minimal noise and heat output.

Customer Reviews
Most praised for its quiet operation and energy efficiency, making it a top choice for users looking for effective and discreet air management solutions.
Key specs
- wattage:21 watts
- control method:Wired 10-speed controller
- noise level:28 dB
- voltage:240 Volts AC
- air flow:205 CFM
9.7

Exceptional

Our Rating

9.9
Simple to use

9.7
Easy installation

9.3
worth the money
3

Voltset

Voltset 4 Inch Duct Fan, Inline Ventilation Exhaust Fan, 280 CFM Duct Intake High Efficiency Air Fan for Vent Bathroom, Kitchen, Grow Tent, Hydroponics, 3D Printer
9.6

Exceptional

Our Rating
4

Hon&Guan
Hon&Guan 6 Inch Inline Booster Duct Fan with Speed Controller - 345 CFM Airflow with 19.2W Ultra-Low Power and Low Noise
Main highlights

Energy-Efficient Ventilation
This inline duct fan delivers 345 CFM with just 19.2W power, ensuring low energy consumption while effectively circulating air.

Versatile Application Scenarios
Ideal for ventilating grow rooms, bathrooms, kitchens, and more, enhancing airflow in various settings.

Adjustable Airflow Feature
Praised for its adjustable speed controller, allowing users to tailor airflow and noise levels.
Key specs
- wattage:19.2
- control method:App
- noise level:32 dB
- voltage:240 Volts
- air flow:345 CFM
9.5

Excellent

Our Rating

9.7
Easy installation

9.7
Temperature control

9.1
worth the money
5

iPower
iPower 4 Inch 195 CFM Inline Duct Exhaust Fan Air Vent Booster Ventiliation Blower for Grow Tent, Attic, HVAC, Basements or Kitchens, Low Noise, Black

47% Off
Main highlights

Key Features
Powerful 2500 RPM blower, 195 CFM airflow, quiet at 30 dB, easy installation, and maintenance. Perfect for enhancing air quality effectively.

Ideal Use Cases
Best for grow tents, greenhouses, basements, kitchens, and small spaces needing air circulation, odor control, or temperature reduction.

Customer Praise
Most reviews highlight its quiet operation despite powerful performance, making it a standout choice for sensitive environments.
Key specs
- blade material:Plastic
- control method:App
- power source:Corded Electric
- noise level:30 dB
- special feature:Lightweight
9.4

Excellent

Our Rating

9.3
Durability

8.9
Easy installation

8.4
worth the money
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6

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

40% Off
Main highlights

Powerful Airflow and Quiet Operation
Generates 195 CFM at 2500 RPM while maintaining a quiet 30 dB.

Ideal for Small Ventilation Projects
Perfect for grow tents, small rooms, and laser venting.

Praised for Quietness and Versatility
Customers appreciate its quiet performance and flexible usage.
9.3

Excellent

Our Rating

9.7
Light weight

9.1
Easy installation

8.0
worth the money
7

POLISI3D

Powerful 3 Inch Inline Duct Ventilation Fan AC Vent Blower Exhaust Fan w/ 1.5M Pipe, Enhanced Air Flow, Low Noise for 3D Printer Enclosure, Laser Engraver Cover,Resin, Greenhouse Ventilation Equipment
9.2

Excellent

Our Rating
8

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

16% Off
Main highlights

Key Features
Quiet, maintenance-free 6-inch fan with strong motor and 240 CFM airflow. Compact, efficient, and operates below 37 dB noise level.

Ideal Use Cases
Perfect for bathrooms, kitchens, basements, attics, workshops, and HVAC systems. Great as intake or exhaust fan in grow rooms.

Customer Reviews
Most reviews highlight its quiet operation, reliability, and effectiveness in improving airflow in various settings.
Key specs
- wattage:37 watts
- control method:App
- power source:Corded Electric
- noise level:37 dB
- voltage:120 Volts
9.1

Excellent

Our Rating

9.9
lasts a long time

9.3
Easy installation

8.0
worth the money
9

Simple Deluxe

Simple Deluxe 4" Inline Booster Duct Fan 106 CFM with Speed Controller, Ventilation Exhaust HVAC Fan for Basements, Bathrooms, Kitchens, Attics and Grow Tents, Black

54% Off
9.0

Excellent

Our Rating
10

VallisCo

VallisCo 6" Inline Duct Fan, 350 CFM Quiet Ventilation Exhaust Fan with Variable Speed Controller, EC Motor, Air Intaking & Exhausting for Bathroom, Kitchen, Hydroponics, 3D Printer
8.9

Very Good

Our Rating

10 Best inline exhaust fans of 2025

1

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

9.7

9.5

9.5

How do we rank?

How do we rank?

Analyzing top stores

2

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

9.9

9.7

9.3

3

Voltset 4 Inch Duct Fan, Inline Ventilation Exhaust Fan, 280 CFM Duct Intake High Efficiency Air Fan for Vent Bathroom, Kitchen, Grow Tent, Hydroponics, 3D Printer

4

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

9.7

9.7

9.1

5

iPower 4 Inch 195 CFM Inline Duct Exhaust Fan Air Vent Booster Ventiliation Blower for Grow Tent, Attic, HVAC, Basements or Kitchens, Low Noise, Black

9.3

8.9

8.4

6

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

9.7

9.1

8.0

7

Powerful 3 Inch Inline Duct Ventilation Fan AC Vent Blower Exhaust Fan w/ 1.5M Pipe, Enhanced Air Flow, Low Noise for 3D Printer Enclosure, Laser Engraver Cover,Resin, Greenhouse Ventilation Equipment

8

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

9.9

9.3

8.0

9

Simple Deluxe 4" Inline Booster Duct Fan 106 CFM with Speed Controller, Ventilation Exhaust HVAC Fan for Basements, Bathrooms, Kitchens, Attics and Grow Tents, Black

10

VallisCo 6" Inline Duct Fan, 350 CFM Quiet Ventilation Exhaust Fan with Variable Speed Controller, EC Motor, Air Intaking & Exhausting for Bathroom, Kitchen, Hydroponics, 3D Printer

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