The Best Grow Tent Fans for Marijuana Gardens

Discover the importance of grow tent fans, along with in-depth and hands-on reviews of the best fans for efficient air circulation for your upcoming 2022 growing season.

The Best Grow Tents Fans Cover Photo

When it comes to indoor cannabis cultivation — air circulation is one of the most overlooked aspects of the grow room.

From fresh air exchange to temperature control, air circulation is a vital component of a successful indoor cannabis garden. If you’re ready to take charge of your grow tents’ environment — you need to buy the best grow tent fan available.

Below, you’ll find hands-on reviews of the best grow tent fans for sale. Whether you’re looking for an inline fan or a clip-on fan — the options listed below are well worth your consideration.

What are Grow Tent Fans?

Grow tent fans are purpose-built tools to enhance air circulation and overall ventilation in indoor marijuana gardens.

Specifically, grow tent fans are meant to

  • Increase fresh air exchange
  • Elevate CO2 concentration
  • Regulate the environment (temperature/humidity)
  • Mimic the wind to strengthen cannabis plants

What are the Different Types of Grow Tent Fans?

When you search for grow tent fans — you’ll come across many different types of products that do not look the same.

Below, you’ll find a brief description of each type of grow tent fan to ensure you buy the right product for your needs.

Inline Fans

Inline fans are the backbone of grow tent ventilation by providing powerful air intake and outtake.

Inline fans are typically connected to ducting, where the fan sucks air into the tent and blows hot and humid air out of the tent. Additionally, inline fans can be connected to carbon filters and grow light hoods to reduce the aroma of cannabis.

Furthermore, inline fans are usually connected to grow light hoods to drastically reduce the heat emanating from the light to ensure the ideal temperature in the grow tent.

Overall, inline fans can be connected to environmental controllers to maintain the best environment possible for your cannabis crop.

Oscillating Fans

Oscillating fans are efficient products that direct air movement across the grow tent by oscillating in multiple directions over a short period of time.

Oscillating fans come in many different sizes and styles, but their main use is to provide air circulation throughout the plant canopy.

Clip-On Fans

Clip-on fans are generally small products that are used in small growing spaces.

As the name implies, clip-on fans are clipped onto the support structure of the grow tent (poles). Although clip-on fans generate less power than oscillating and inline fans — they provide airflow to hard-to-reach and small areas.

Axial Fans

Also known as inline booster duct fans, axial fans are high-powered products that are placed within ducting to boost air throughout the ventilation system.

Overall, axial fans are preferred by cultivators who use large grow tents or rooms that require many angles in their ducting.

Our Top-Rated Grow Tents Fan

Before we head to our reviews — here’s an upfront look at our highest-rated grow tent fans for the 2022 growing season:

The Best Grow Tent Fans
Product Rating More Info
Best Inline FanAC Infinity CLOUDLINE T6AC Infinity CLOUDLINE T6
CFM: 10/10
Electricity Consumption: 9.5/10
Weight: 9.5/10
Quietness: 10/10
Quality: 9.5/10
Price: 9/10
[Read Review]
Best Clip-On FanHurricane Classic 6” Clip FanHurricane Classic 6 inch Clip Fan
CFM: 9.5/10
Electricity Consumption: 10/10
Weight: 10/10
Quietness: 9.5/10
Quality: 9/10
Price: 9.5/10
[Read Review]
Best Oscillating FanHurricane Supreme Oscillating Fan
CFM: 9.5/10
Electricity Consumption: 9/10
Weight: 10/10
Quietness: 9.5/10
Quality: 9.5/10
Price: 8.5/10
[Read Review]
Best Axial FanVivosun Inline Duct Booster Fan
CFM: 9.5/10
Electricity Consumption: 9/10
Weight: 10/10
Quietness: 9.5/10
Quality: 9.5/10
Price: 8.5/10
[Read Review]
Whether you’re ready to buy one of these fans or not — don’t worry! Below, you’ll find additional information to assist your quest and hands-on reviews of the best grow tent fans for sale.

How Do You Choose the Best Grow Tent Fan?

Before you buy a grow tent fan — you must answer a few essential questions to ensure you find the perfect product for your needs.

How Much Circulating Power Does Your Grow Room Need?

Whether you need to ventilate or circulate the air in your grow tent — you’ll need to understand CFM.

CFM stands for cubic feet per minute. Overall, CFM is the standard measurement for cannabis cultivators because it represents the amount of air that must be exchanged or circulated per minute.

For inline fans that are bringing in fresh air and exhausting hot air out — you need to perform a few equations to get the desired CFM rating.

Measure your grow tent by its length x width x height.

Once done — you’ll have your base CFM requirement. However, inline fans are typically connected to ducting, carbon filters, and other growing equipment, which requires more CFM.

In general, you should multiply your base CFM by 3 to get the ballpark figure of your ideal CFM coverage. In the case of a 4×4 grow tent, you should have at least 210 CFM to ensure adequate air exchange.

What is Your Preferred Budget Range?

Grow tent fans for marijuana gardens typically cost between $20-200.

As you can see — there is a large price gap. However, not all grow tent fans are created equal. Overall, inline fans cost more than small clip-on fans. Alternatively, high-quality oscillating fans may cost more than heavy-duty inline fans.

Do You Require Air Circulation or Overall Air Ventilation?

Another important consideration is determining if you need complete ventilation or air circulation.

Air circulation is accomplished with the help of an oscillating fan, stationary fan, or clip-on fan. Each of these products is meant to blow air across the canopy to guard against mold and stagnant air.

Alternatively, air ventilation is the complete circulating system that brings fresh air in and hot air out. The primary products to create an efficient ventilation system are the inline fan and axial booster fan.

Both the axial booster fan and inline fan are connected to ducting, carbon filters, lighting systems, and other pieces of equipment to work in a seamless and efficient fashion.

Buying a grow tent fan becomes a relatively simple process once you determine the purpose of the product.

Considering Your Grow Tent Fan Options

As you can see — there are many types of grow tent fans and even more available products.

Instead of crawling Google in the hopes of stumbling upon your dream grow tent fan — take a look at our highest-rated grow tent fans below.

The Best Grow Tent Fans


1. AC Infinity CLOUDLINE T6

AC Infinity CLOUDLINE T6
CFM: 10/10
Electricity Consumption: 9.5/10
Weight: 9.5/10
Quietness: 10/10
Quality: 9.5/10
Price: 9/10

The Best Inline Fan: Revolutionary design that features Bluetooth-ready technology and stunning ventilation capabilities for beginners and professionals alike.

The AC Infinity CLOUDLINE T6 is rated as the best inline fan for grow tents because it offers unbeatable features, power, and quality never-before-seen in fan-based products for cannabis cultivation.

Specifications:

  • Weight: 6-pounds
  • Size: 6”
  • CFM: 402
  • Watts: 38W
  • Recommended Use: Intake/Outtake


My Experience With the AC Infinity CLOUDLINE T6

When I first heard that AC Infinity was launching a new inline fan series — I was immediately on board.

Soon after unboxing the AC Infinity T6 — it was time to plug it in and see what it was made of. Within an instant, my hair was blowing back, but I couldn’t hear a thing.

To my surprise — the T6 was on full blast, yet it was silent enough that I thought it wasn’t on. After the initial test, it was time to send it into the grow tent.

I placed the T6 in a 4×4 grow tent where I knew it would feel at home while growing six mature cannabis plants. Connected to a carbon filter and ducting, the T6 pumped massive CFMs without breaking a sweat.

Most importantly, the T6’s Bluetooth-compatible environmental controller made controlling the temperature and humidity a breeze. From my iPhone, I was able to adjust cooling parameters as well as set crucial alarms — all of which significantly enhanced the growing experience.


Pros:
● Temperature and humidity controller
● 402 CFM
● Onboard Bluetooth technology increases overall efficiency
● High-powered inline fan
● Efficiently exhausts hot air and rapidly brings in fresh air
● Ideal 6” size

Final Thoughts For the AC Infinity CLOUDLINE T6

Ultimately, the AC Infinity CLOUDLINE T6 is an awesome inline fan for medium-sized grow tents.

If you need a high-powered and high-tech inline fan that’s capable of handling any situation — look no further than the AC Infinity T6 (or any other model under the CLOUDLINE series).


2. Hurricane Classic 6” Clip Fan

Hurricane Classic 6 inch Clip Fan
CFM: 9.5/10
Electricity Consumption: 10/10
Weight: 10/10
Quietness: 9.5/10
Quality: 9/10
Price: 9.5/10

The Best Clip-On Fan: Simple design and efficient air circulation are the meat and potatoes
of this stellar clip fan for cannabis growers.

The Hurricane Classic 6” is rated as the best clip-on fan for grow tents because it offers a large amount of power in a portable design that can be clipped on virtually anywhere in a grow tent.

Specifications:

  • Weight: 1-pound
  • Size: 6”
  • CFM: 306
  • Watts: 14W
  • Recommended Use: Air circulation


My Experience With the Hurricane Classic 6” Clip Fan

When I grow cannabis — I always want air circulating on the underside of the canopy.

By using the Hurricane Classic 6” Clip Fan, I don’t lose crucial space to a larger-style fan. Furthermore, the 305 CFM from the Hurricane Clip Fan pushes enough air to keep the underside of the canopy moving and less prone to mold and mildew.

One of the perks of using the Hurricane Classic is the fact that it can extend two inches to grab onto. Therefore, the Hurricane Classic can be installed in many different locations in the grow tent.

However, it’s important to note that a single Hurricane Classic 6” Clip Fan is only suitable for four or fewer marijuana plants. If you have more cannabis plants — you’ll want to grab another Hurricane Classic.

Overall, I tend to use the Hurricane Classic with great success when I’m cultivating cannabis in my small grow tent. By doing so, I maximize the effectiveness of the Hurricane Classic’s 305 CFM capability.


Pros:
● Small design is perfect for hard-to-reach spaces and small grow tents
● 306 CFM
● Consumes minimal amounts of electricity
● Provides ample airflow for a small cannabis crop
● Incredibly affordable
● Dual speeds for optimized wind power
● UL listed and constructed out of durable materials.

Final Thoughts For the Hurricane Classic 6” Clip Fan

If you need a small clip-on fan that’s geared towards small grow tents or the underside of your marijuana canopy — look no further than the Hurricane Classic 6” Clip Fan.


3. Hurricane Supreme Oscillating Fan

CFM: 9.5/10
Electricity Consumption: 9/10
Weight: 10/10
Quietness: 9.5/10
Quality: 9.5/10
Price: 8.5/10

The Best Oscillating Fan: Massive power meets optimized oscillation to create improved air circulation in your cannabis grow tent.

The Hurricane Supreme is ranked as the best oscillating fan for grow tents because of its epic 16” size and powerful 3-speed design that’ll ensure your cannabis crop receives the air it needs.

Specifications:

  • Dimensions: 18.5” x 10.8” x 18.3”
  • Weight: 8-pounds
  • Fan Size: 16”
  • CFM: 2,118
  • Watts: 55W
  • Recommended Use: Air circulation


My Experience With the Hurricane Supreme Oscillating Fan

When working in a 4×4 grow tent or larger — you definitely want a serious oscillating fan to guard against mold, stagnant air, and weak branches.

After using the Hurricane Supreme Oscillating Fan for multiple growing seasons — I can assure you that this oscillating fan gets the job done.

From 3 incredible fan speeds to choose from, you’ll be hard-pressed to be wanting anything more. The Hurricane Supreme offers massive coverage with its oscillations and can even be locked in a single position.

The Hurricane Supreme is silent even when on the fastest setting, making it perfect for cultivators who need peace and quiet. Last but not least, the Hurricane Supreme is easily mountable and fits perfectly in the corner of most grow tents.

Remember, the Hurricane Supreme is a powerful fan, so make sure your cannabis plants are strong enough (or far away enough) to withstand the blow of its air. Soon, your cannabis crop will thank you by producing ultra-thick stems to carry those massive buds soon to come.


Pros:
● Wall mount design allows for many hanging opportunities
● 2,118 CFM
● 90-degree oscillation motion
● 3 fan speeds
● 16” fan for optimized wind speed
● Durable steel-neck construction
● Quiet design
● Adjustable tilt

Final Thoughts For the Hurricane Supreme Oscillating Fan

Ultimately, the Hurricane Supreme Oscillating Fan is the perfect product for medium to large grow tents.

Your cannabis plants will always have fresh air at their leaf tips once you buy and set up the Hurricane Supreme in your grow tent.


4. Vivosun Inline Duct Booster Fan

CFM: 9.5/10
Electricity Consumption: 9/10
Weight: 10/10
Quietness: 9.5/10
Quality: 9.5/10
Price: 8.5/10

The Best Axial Fan: Provides an additional boost of CFM when your grow tent needs it most thanks to an efficient design and time-tested features.

The Vivosun Inline Duct Booster is rated as our best axial fan because it offers massive CFM at an affordable price for cultivators in large-sized grow tents.

Specifications:

  • Dimensions: ‎6” x 6” x 7”
  • Weight: 2-pounds
  • Fan Size: 6”
  • CFM: 240
  • Watts: 37W
  • Recommended Use: Inline booster to assist inline fan (exhaust or intake)


My Experience With the Vivosun Inline Duct Booster Fan

When you grow cannabis in a large tent (4×8 and above) — you’ll likely need an additional booster fan to give your primary inline fan backup.

In my 4×8 grow tent, I use an 8” AC Infinity CLOUDLINE T8 because it offers ample CFM to bring air into the tent. However, the ducting is routed across the ceiling of the tent, and each bend diminishes its CFM performance.

Therefore, I added the Vivosun Inline Duct Booster Fan to give an additional 240 CFM to ensure the warm air is exhausted out of the tent with ease.

After multiple grows and harvests, the Vivosun Inline Duct Booster still looks and performs as if it was brand new. Lastly, the Vivosun Inline Duct Booster is incredibly easy to set up and use — making it a perfect fit for beginners and professionals alike.


Pros:
● 240 CFM fan speed
● Runs quiet
● Versatile ability to act as a booster or standalone fan
● Lightweight design
● Only consumes 37-watts

Final Thoughts For the Vivosun Inline Duct Booster Fan

If you’re in need of additional CFMs but don’t want to spring for another inline fan — the Vivosun Inline Duct Booster Fan does the job.

Don’t let your cannabis crop and your grow tent suffer from low CFMs — boost your airpower with the help of the Vivosun Inline Duct Booster Fan.


The Benefits of Grow Tent Fans

Now, let’s briefly look at the advantages of using grow tent fans in your indoor cannabis garden.

Grow Tent Fans Provide Fresh Air

The primary aim of grow tent fans is to provide fresh air across the cannabis canopy.

Marijuana plants require CO2 to perform photosynthesis and other essential functions. Your cannabis plants may lose their vigor and grow sluggishly without fresh air.

As humans, we strive for a breath of fresh air — especially if you live in a congested city filled with smog. Your marijuana crop demands the same desire — to consume fresh air to grow to its maximum potential.

Grow Tent Fans Reduce the Possibility of Mold in the Weed Garden

Whether you grow a single cannabis plant or a dozen — mold or mildew is a very real possibility.

In most cases, mold and mildew occur when cannabis leaves touch each other. Therefore, you need to use a grow tent fan to continuously blow fresh air throughout the cannabis canopy to keep the leaves moving.

Therefore, products such as oscillating fans or clip-on fans are a cultivator’s secret weapon to keeping mold and mildew at bay.

Grow Tent Fans Decrease Heat Accumulation

Whether you grow with an HPS or LED — your grow tent will experience a bump in heat accumulation.

Inline and axial booster fans are crafted to work in conjunction with ducting to direct hot air out of the grow room. Using a ventilation system with ducting will remove the hot air before it becomes a problem for your cannabis crop.

Grow Tent Fans Boost Stem Strength in Cannabis Plants

One of the most overlooked aspects of grow tent fans is the fact that they strengthen cannabis plants.

Marijuana plants grown without air circulation are typically weak and break easily once placed outdoors. However, weed plants that are grown in a windy environment (whether naturally or via fan) produce thicker stems and can adapt easily to unforgiving weather patterns.

Once harvest time arrives, you’ll be glad you used a grow tent fan to strengthen those stems because they’ll handle ounces of top-shelf buds with ease.

Conclusion

Now that you understand the importance of grow tent fans and cannabis plants — it’s time to consider your options.

From inline fans to clip-on fans and everything in between, the choice is yours to select the best grow tent fan for your needs. Once you buy a grow tent fan — head over to our Grow Guide to learn more tips and tricks on cultivating the best weed at home.

However, if you’re in the midst of putting together your grow tent, don’t miss our highest-rated

grow tents, grow lights, and grow tent kits.


The Best Grow Tent Fans
Product Rating More Info
Best Inline FanAC Infinity CLOUDLINE T6AC Infinity CLOUDLINE T6
CFM: 10/10
Electricity Consumption: 9.5/10
Weight: 9.5/10
Quietness: 10/10
Quality: 9.5/10
Price: 9/10
[Read Review]
Best Clip-On FanHurricane Classic 6” Clip FanHurricane Classic 6 inch Clip Fan
CFM: 9.5/10
Electricity Consumption: 10/10
Weight: 10/10
Quietness: 9.5/10
Quality: 9/10
Price: 9.5/10
[Read Review]
Best Oscillating FanHurricane Supreme Oscillating Fan
CFM: 9.5/10
Electricity Consumption: 9/10
Weight: 10/10
Quietness: 9.5/10
Quality: 9.5/10
Price: 8.5/10
[Read Review]
Best Axial FanVivosun Inline Duct Booster Fan
CFM: 9.5/10
Electricity Consumption: 9/10
Weight: 10/10
Quietness: 9.5/10
Quality: 9.5/10
Price: 8.5/10
[Read Review]
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