Best Fan for Grow Tent | Top 11 Grow Room Fans to Keep the Air Flow!

best grow tent fan

Are you an avid grower who wants to grow plants all year round, irrespective of the outside weather? Since you are here, it means you want to set up a grow tent.

So, what’s the main deciding factor to maintaining a stable indoor growing environment? You have guessed it right; it’s none other than a proper ventilation system that can make or break your grow tent.

That’s why the following step-by-step guide will review the best grow tent fans, their features. Read along to learn about how to select suitable inline or oscillating fans.

 

Why Do You Need a Grow Tent Fan?

Obviously, you need a substitute for natural airflow while growing plants indoors. Furthermore, cannabis plants quickly absorb the carbon dioxide from the surrounding, even within a minute.

That’s why it’s essential to set up wall mount fans indoors to circulate and distribute active air around the grow tent. This way, your plants won’t breathe stagnant or poor-quality air, which often leads to plant illness and humidity.

To sum up, the best fan for grow tent serves a multi-purpose role, allowing the plants to breathe better and improve plant growth. Furthermore, it enhances nutrient absorption from the soil, strengthens the plant’s branches, and grows thick flowers in the flowering period.

 

Maintains Internal Temperature

A grow tent includes different equipment, such as grow lights, a watering system in addition to the fans. Grow lights radiate heat as a substitute for the sunlight, enhancing the internal temperature of the grow tent. That’s why a grow room fan regulates the internal temperature without making the plants feel hot.

 

Controls Moisture and Humidity

As we all know, plants evaporate moisture through the leaves’ surfaces all day long. A wall mount fan removes the moisture and allows the plants to absorb more water from the soil. This way, it enhances the moisture level of the grow room, resulting in pests and disease growth.

 

Wind Stress Management

The outdoor plants enjoy a fresh breeze and active air, making the stems stronger to bear more fruit than weaker plants that can’t hold the fruit weight. A grow room fan is the best alternative to the outdoor air, making indoor plants equally stronger.

 

Top Fans for Grow Tent

ImageProduct
Type
AirFlow
Noise
Size
Power
Check
Price
AC Infinity CLOUDLINEAC Infinity
CLOUDLINE
402 CFM
32 dBA
6 Inch
38 W
check price button orange
VIVOSUN 4 Inch 195 CFM Inline Duct Ventilation FanVIVOSUN
Inline Duct Fan
195 CFM
30 dB
4 Inch
28 W
check price button orange
iPower 4 Inch 130 CFM Inline Duct Ventilation Exhaust FaniPower Inline Duct
Exhaust Fan
130 CFM
28 dB
*4,6 & 8 Inch
25W
check price button orange
TerraBloom ECMF-151TerraBloom
Inline Duct Fan
350 CFM
31-60 dBA
6 Inch
40 W
check price button orange
Hydrofarm ACDF6 Active Air 6 Inline, 400 CFM Duct FanHydrofarm
Inline Duct Fan
400 CFM
6 Inch
115 W
check price button orange
VIVOSUN 6 inch Inline Duct Exhaust Fan 240 CFMVIVOSUN Inline
Duct Exhaust Fan
240 CFM
low
6 Inch
37 W
check price button orange
Hurricane Classic Clip Fan 6 inchHurricane
Clip-on Fan
306 CFM*6, 12, 16, 20
14 W
check price button orange
Genesis 6-Inch Clip Convertible Table-Top & Clip FanGenesis
Clip Fan
Low6 Inchcheck price button orange
VIVOSUN USB Powered Clip FanVIVOSUN
USB Clip Fan
Low12 Inchcheck price button orange
Air King 9012 Commercial Grade Oscillating Wall Mount FanAir King
Oscillating fan
930 CFM
Low
*12, 16, 18
35 W
check price button orange
Lasko 2004W Clip Fan 6-InchLasko Air Stik
Ultra-Thin
Low6 Inchcheck price button orange

 

Different Types of Best Fan for Grow Tent

With a market full of different brands and designs of grow room fans, you often find yourself at the crossroads of choosing a suitable fan for the tent. That’s why you first need to understand the different types of fans available based on their application and usage.

 

Oscillating Fans

As the name suggests, this fan oscillates around to circulate the air throughout the grow room. One of the most significant advantages of using an oscillating fan is its affordability.

The oscillating fans come in different sizes ranging from eight to 30 inches in diameter. However, large-sized fans come with a stand to support the blades and fan motors’ weight.

 

Inline Fans

A proper ventilation process comprises two crucial steps – to remove the warm air and allow the fresh air to enter. For this purpose, growers can use two inline fans to push outside air in and pull the moist air out.

 

Exhaust Fans

An outtake fan works on the principle of vacuuming out the stale air out from the grow tent.

 

Intake Fans

As the name indicates, an intake fan performs an opposite task than a grow tent exhaust fan to draw the active air inside the grow tent.

 

Booster Fans

A booster fan is one of the most budget-friendly fans available in the market. These fans allow the air to circulate to move along long duct pipes.

However, booster fans serve a secondary purpose in the ventilation process. That’s why you shouldn’t use them as the primary source of air circulation.

 

Clip-On Fans

These are one of the most famous fans, ideal for six and eight inches grow tents. In addition, you can mount clip fans on tent poles, allowing them to rotate in a particular direction with a limited angle.

 

How to Choose the Correct Grow Fan Size?

It’s essential to do thorough research before choosing a suitable grow room fan size to fulfill the air ventilation requirement.

First, you should find the volume of your grow tent in cubic feet to evaluate the amount of airflow in cubic feet per minute (CFM). Moreover, you should also consider other factors, such as carbon filter and ducting, that decrease fan performance.

For instance, in ducting, the bends and sharpness of the ducts offer resistance to the airflow.

A straight ducting pathway improves the circulation, allowing the air to flow straight. But, conversely, a 30-degree shaper bend reduces the airflow by 20 percent, while a 90 degrees bend causes a 60 percent reduction by 60 percent.

Grow
Tent
Size
Carbon
Filter
Size
Inline Fan with
Carbon Filter &
No Duct Blend
Inline Fan with
Carbon Filter &
1 Duct Blend
2x24 inche40 CFM55 CFM
3x34 inche90 CFM120 CFM
4x44 inche160 CFM215 CFM
5x56 inche240 CFM340 CFM
4x88 inche310 CFM430 CFM
10x108 inche960 CFM1340 CFM
12x1212 inche1400 CFM1940 CFM

 

Best Inline Grow Space Fans

The primary focus of this guide is to review the best inline and oscillating fans. Let’s discuss the features of the top-rated inline grow room fans first and then proceed to the oscillating fans.

 

AC Infinity CLOUDLINE S6 Fan

AC Infinity CLOUDLINE

The AC Infinity CLOUDLINE S6 is one of the best inline fans for grow tent, courtesy of its quiet PWM-controlled motor smart controller and dual ball bearings. Compatible with a six-inch duct and a carbon filter, this reliable fan features an exceptional airflow of 351 CFM, perfect for most grow tents.

It’s the motor of the inline fan that determines its performance and efficiency. That’s why the motor is equipped with state-of-the-art technology to minimize rotor noise and offer precise speed control.

This multi-functional Cloudline fan simplifies your life by allowing you to monitor and control the humidity level using the probe. It means you can save your plants by generating trigger alarms before the moisture level breaches the threshold. Not only that, but you can see both the temperature and humidity on the screen.

Moreover, you can also set the timer to adjust different temperatures for the day and night hours in the grow tent. How cool is that! You can conveniently select any of the eight available fan speeds using a single controller button.

Pros

Con

  • Noisy at full speed

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VIVOSUN Inline Duct Ventilation Fan Vent Blower

VIVOSUN 4 Inch 195 CFM Inline Duct Ventilation Fan

The VIVOSUN Inline Duct Ventilation Fan Vent Blower features a lightweight and sturdy design, offering an airflow of 195 CFM and fan velocity of 2,930 RPM.

One of the most significant advantages of using this grow tent fan is its environment-friendly automatic operation. It means the float deflector allows you to enhance the air circulation while reducing the noise output. Even at the highest speed, it only generates 30dB of noise.

The silent operation of this compact inline fan is attributed to the permanently lubricated blade and motor construction. Furthermore, the fan is made of robust plastic to keep it lightweight.

Moreover, the installment of the VIVOSUN inline vent blower is exceptionally effortless, courtesy of the flanges available at both the intake and exhaust ends.

VIVOSUN is known for its exceptional post-delivery customer service, assisting growers with operational issues.

Pros

  • 2,930 RPM speed
  • 195 CFM airflow
  • Lightweight and compact
  • Noiseless fan operation
  • Includes a flow detector

Con

  • Smaller fan size

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iPower Inline Duct Ventilation Exhaust Fan

iPower 4 Inch 130 CFM Inline Duct Ventilation Exhaust Fan

The iPower Inline Duct Ventilation Exhaust Fan features six inches 442 CFM inline tent fan along with all the necessary accessories. One of the distinguishing features that makes it one of the best grow tent duct fans is its zero maintenance.

This affordable fan features composite fan blades and a central hub responsible for ensuring noiseless operations. Moreover, the fan is responsible for purifying the air while regulating the internal grow tent temperature.

The five-foot power cord offers you the freedom to place the fan unit anywhere within the grow tent. Conversely, a smaller cable restricts you from placing the fan near a power outlet.

The iPower inline fan for grow tent boasts a ceramic coating, allowing it to stay lubricated. You can maintain a maximum internal temperature of 176F or 80C degrees.

The box includes a wired sensor probe, an external power adapter, and other essential mounting screws, thus making this grow tent fan a complete package for you. Moreover, the fan comes fully wired with the junction box, and power cord, making it convenient for you to install.

Pros

  • Includes nine-speed controller
  • Mixed flow design
  • Eco-friendly motor
  • Affordable

Cons

  • A higher fan noise level
  • Difficult documentation

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TerraBloom Inline Duct Fan

TerraBloom ECMF-150 Quiet 6 Inline Duct Fan

With a 365 CFM airflow, the TerraBloom Inline Duct Fan is a multi-purpose fan to transfer hot and cold air in vertical grow rooms and remove smoke and odor. This sturdy grow tent fan comes with an aerodynamic feature to circulate active air inside a grow room.

The TerraBloon inline grow tent fan comes with a straightforward controller with three speed settings – low, medium, and high. This way, you can choose different airflow for day and night hours, reduce the noise level, and most importantly, the electricity bill.

This lightweight and compact fan is made of ABS plastic. Furthermore, the construction comprises only three components and a removable central hub for convenient maintenance and cleaning. A coated steel enclosure protects the engine and blades from rust and other incidental damages.

The TerraBloom grow tent fan can operate at a temperature of 140F degrees and 90 percent humidity level. However, it shuts off automatically if the grow tent temperature reaches 130F degrees due to a sudden change in outside weather. Furthermore, the fan comes with thermal protection to enhance its security.

Pros

  • Brushless EC motor
  • 350 CFM airflow
  • Rust-resistant coated-steel housing
  • Three-speed settings
  • ABS plastic construction

Con

  • Creates negative pressure environment

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Hydrofarm Inline Duct Fan

Hydrofarm ACDF6 Active Air 6 Inline 400 CFM Duct Fan

Rated at 400 CFM, the Hydrofarm Inline Duct Fan features a powder-coated steel housing that protects the engine and blade rust corrosion or rust. Furthermore, this durable fan includes a premium-quality impeller and bearing. The good news is that you don’t need to lubricate the motor bearings.

This affordable Hydrofarm active air fan features a thermally protected brushless DC motor and sealed bearings. It means this grow tent fan requires less or no maintenance.

The Hydrofarm active air box contains mounting brackets and an eight-foot wired cord, thus ensuring easy installation. Moreover, the eight-foot cable is the largest among all the inline fans reviewed above, making it perfect for grow tents with high ceilings.

The Hydrofarm active air fan comes with an easy-to-use fan speed controller that allows you to select different speeds without worrying about overheating the motor.

Pros

  • Comes with thermally protected brushless AC motor
  • Ceramic-coated metal housing
  • Includes mounting brackets
  • Affordable
  • Doesn’t vibrate
  • Active air circulation

Con

  • Not entirely silent fan operation

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VIVOSUN 6 Inch Inline Duct Exhaust Fan

VIVOSUN 6 inch Inline Duct Exhaust Fan 240 CFM

As the name suggests, the VIVOSUN 6 Inch Inline Duct Exhaust Fan is an affordable grow tent fan that removes odor and moisture from the grow tent. One of the most distinguishing features of this lightweight fan is high-quality blades that guarantee silent fan operation.

The fan motor comprises a permanently lubricated bearing, which doesn’t require frequent maintenance. Furthermore, the metal blades keep the fan lightweight while boosting the air supply and ventilation.

The technical specifications of the VIVOSUN grow tent fan comprise a 2,960 RPM speed with an airflow of 240 CFM and 37W power. The package includes a 5.5 feet power cord, allowing you to place the exhaust fan at a suitable height.

The VIVOSUN inline grow tent fan supports a maximum operating temperature of 130C or 266F degrees. Moreover, it can maintain an internal temperature of 60C or 140F degrees. Any temperature more than that may overheat and damage the engine.

Lastly, it comes with a warranty of one year, ensuring a safe investment.

Pros

  • Permanently lubricated bearing
  • Silent fan operation
  • Lightweight and portable
  • 2,960 RPM and 240 CFM
  • Budget-friendly

Con

  • Recommended for small grow tents

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Best Oscillating Grow Tent Fans

 

Hurricane Clip-on Fan

Hurricane Classic Clip Fan 6 inch

The Hurricane Clip-on Fan is one of the best grow tent fans that moves from side to side, consuming less electricity.

You can clip this compact grow tent fan anywhere near the plants, courtesy of the strong spring and plastic spring to wick away moisture. The two inches clamp opening allows you to place the fan on tables and indoor gardening stands. Not only that, but you can also permanently install it on high shelves to prevent accidental slips.

Additionally, you can adjust the tilt mechanism depending upon the plants’ height to customize the airflow.

The Hurricane grow tent clip fan is made of sturdy plastic to keep it lightweight and portable. Furthermore, it includes a two-speed motor, allowing you to operate it without overheating it conveniently. It means you can select a low speed for nighttime and a high speed during the day.

Moreover, it comes with a five feet 120V power cord so you can move it around the grow tent for both direct and indirect airflow.

Lastly, it comes with a warranty of one year, offering a safe and long-term investment.

Pros

  • Two-speed engine
  • Dynamic mounting position
  • Sturdy plastic clamp
  • Affordable
  • Easy installation

Con

  • Recommended for 2×2 grow tent only

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Genesis Clip Fan

Genesis 6-Inch Clip Convertible Table-Top & Clip Fan

The Genesis Clip Fan offers a directional and focused airflow to the plants, courtesy of its noiseless two-speed fan operation.

The best thing about using this tent fan is its convertibility to a table or a clip on fan. It means you can either clip it on a shelf or place it on the table using a balanced stand depending upon the grow room ventilation requirement. For instance, if you have ample space on the plant shelves, you can place the fan on the table; else, you can clip it on the shelf’s corner.

You must be wondering how to do the conversion between tabletop and clip-on. Don’t worry; all you need to do is loosen the butterfly screws available on the fan head and attach the base to the fan head. Next, you need to tighten the butterfly screws, and you are good to go.

Additionally, the clip can hold on to a thick surface of 1.06 to 1.65 inches. You can also adjust the head to customize the air circulation in a particular direction.

The fan is ETL listed and includes a safety protection fuse to prevent motor overheating.

Pros

  • Noiseless operation
  • Two-speed settings
  • Convertible clip-on and table fan
  • Adjustable head
  • Robust grip clamp

Con

  • Some people have complained about the fan falling to a down position

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VIVOSUN USB Powered Clip Fan

VIVOSUN USB Powered Clip Fan

The VIVOSUN USB Powered Clip Fan is one of the best grow tent fans offering a versatile use with its two-in-one base. It comes with a sturdy mesh that secures the fan blades in case of accidental fall or damage.

The triple spiral fan blades guarantee exceptional ventilation, courtesy of the four-speed settings. You can set the fan speed to low or high speeds to maintain an optimal temperature inside the grow room.

Moreover, you can adjust the fan’s head using a 360-degree horizontal range and a 120-degree vertical range for directional airflow. The non-slip spring clamp grips hold the fan balanced without letting it incline towards the down position.

Pros

  • 25 hours operation at minimum speed
  • Two-button operation
  • Four wind speed
  • Two brightness modes
  • Two-in-one base
  • Innovative USB charging

Con

  • Unreliable spring-loaded clamp

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Air King Oscillating fan For Wall Mounting

Air K Oscillating Wall Mount Fan

The Air King Oscillating fan For Wall Mounting is a sturdy oscillating fan with a metal front grill to safeguard the fan blades from any accidental damage. Furthermore, it features an impact-resistant plastic rear grill and chemical-resistant polypropylene blade, ensuring a robust build quality.

Air King has been designing top-quality ventilation products for more than forty years. That’s why it offers affordable oscillating fans and exceptional customer service.

Unlike the previously reviewed clip-on fans, the Air King fan is essentially a wall mount fan. Additionally, you can select any of the three speeds to control the internal temperature of the grow tent.

The condenser motor comes with permanent lubrication, requiring minimal or no maintenance. This wall mount fan swings at 90-degrees in both directions; however, you can also set it at a non-oscillating position.

The Air King wall mount fan complies with ETL and OSHA, keeping in view the safety standards.

Pros

  • Three-speed fan settings
  • 1/50 HP and one-phase
  • Metal front grill
  • Impact-resistant plastic
  • Budget-friendly
  • 930 CFM airflow

Con

  • Not recommended for commercial or industrial use

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Lasko Air Stik Ultra-Thin Oscillating Fan

Lasko 2004W 2-Speed Clip Fan, 6-Inch

The Lasko Air Stik Ultra-Thin Oscillating Fan offers dynamic functionality, allowing you to either mount it on a wall with the help of screws or place it on the table using a sturdy sleeping clip. Another specialty of the spring clip is that it doesn’t scratch or make the surfaces.

Lasko is one of the most reliable brands, designing grow room fans and other ventilation products for more than a century. All the fans are made in the USA using both imported and domestic components.

This featureful oscillating fan offers a 360-degree rotation, allowing you to place it in the middle of the grow tent. Furthermore, you can adjust the tilt for directional flow. You can select any of the two-speed settings, depending upon the desired temperature.

The Lasko Air Stik tent fan incorporates a patented safety fuse technology to automatically cut off the electricity supply if the fuse detects an internal electrical failure.

Pros

  • Adjustable fan tilt
  • 360-degree rotation
  • Two quiet fan speeds settings
  • Easy-grip
  • Patented safety fuse
  • Serve as a wall mount fan

Con

  • Not-so-good build quality

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Wrapping up with the Top Fans for Grow Tents

Air is equally essential to humans and plants since we both are living beings. Proper ventilation allows you to take complete control of the growing conditions all year round.

To recap, we have discussed different types of grow tent fans and how to select a suitable size for your grow tent. Moreover, we have reviewed the affordable yet high-performing inline and oscillating fans to establish a proper ventilation system inside the grow tent.

Whether you opt for an inline or a wall mount fan, the end goal is the same – to keep the plants fresh and increase production in the grow tent.

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