Top 10 Best Dehumidifier for Grow Tent in 2022

Whether as a part-time or a source of income, growing plants in a grow tent necessitates proper attention. Besides that, you will also require additional care and attention for the proper growth of plants.

Humidity is necessary for plant growth and wellbeing based on the type of plant and its phase of growth. Thus, it must be at the proper level. Low humidity can be the reason for air to become dry, which can be harmful to plants.

On the other hand, high humidity promotes the growth of mold and mildew. These creatures are potentially dangerous to both plants and humans.

Thus, the best dehumidifier for grow tent is a fantastic investment to handle moisture issues.

Below I am going to enlist the best quality dehumidifiers to select for you. So, pull up your socks and come with me!

Vremi 35 Pint 3,000 Sq. Ft. Dehumidifier Energy Star ( 209.97$)

Vremi 35 Pint 3,000 Sq. Ft. Dehumidifier Energy Star

This VREMI 22 Pint Energy Star Dehumidifier is the leading item on the list. This VREMI Moisture Maniac dehumidifier is the finest item that you can get for a medium-sized grows space or damp grow tent.

Related Article: The 6 Best 30 Pints Dehumidifiers

Lower Humidity

Within 3,000 square feet, it may remove up to 35 pints of humidity from the atmosphere. Thus, it is the most common question to ask that how to lower humidity in grow tent. The answer is simple that using this VREMI 22 Pint Dehumidifier, you can lower the humidity.

Except for the lesser reservoir capacity and coverage, it’s identical to the 22-pint unit. There are also key features including auto shut-off, auto-resume, and auto defrost. This brand is Energy star Approved, so can easily trust this item.

Easy-to-Use Controls

It has an easy-to-use control center, and a humidistat that can be adjusted easily. It has a Turbo mode that removes the most humidity from your growing room or growth tent. For a 35-pint dehumidifier, this item is relatively light. It has wheels and side grips to make moving it easier.

If you choose to use the 1.6-gallon storage, you will have to drain the storage tank a couple of times every day.

Finest Option

For constant drainage, there is a drain hose connection, but the connection line is not included in the appliance. The compressor also makes a loud whirring sound, according to customers.

So, while looking for the all-rounded dehumidifier, you can rely on this one. However, if you plan to use it solely in your grow room and not in your housing conditions, this could be one of the greatest options on the market today.

Key Features

  • Easy-to-use controls
  • Designed with continuous drain option
  • Features an easy-use control panel
  • Drain hose outlet for continuous draining
  • Provides large coverage area
  • A Turbo mode for maximum moisture removal
  • Comparatively lightweight
  • Very handy auto-shutoff function
  • Very easy to use
  • A little higher noise level

VIVOSUN Small Space Mini Dehumidifier for Grow Tent

best dehumidifier for grow tent

Are you thinking about what kind of dehumidifier do I need for my grow tent? If I am right then you picked the right location. This VIVOSUN Small Space Mini Dehumidifier for Grow Tent is the answer to your question.

Best-Selling Item

The VIVISUN tiny grow tent dehumidifier has become one of the best-selling products on the market. And it has the perfect size for most growing tents, whether indoors or out. It has a coverage area of approximately 269 feet and a daily water capacity of 400 ml.

As a result, it’s a very amazing item to purchase. It boasts a tiny and stylish design. This would make it possible to fit the dehumidifier into a small grow tent with ease.

Easy to Set and Adjust

Another advantage of this device is how simple it is to operate. For the installation, you have to unwrap it first and then make its connection. This is all you have to do for setup! You have to simply leave it running until the container is filled.

After that, the device will turn off and display a red LED light to indicate that the reservoir must be drained.

Overall High-Quality

Cannabis cultivation isn’t easy because problems often develop because of different circumstances. Due to the numerous pieces of equipment utilized in a growth chamber, this is especially true. Dehumidifiers can also have problems, so know that you’re covered by a one-year warranty if a problem arises.

Although the overall design isn’t the best, it will last as long as the top-rated dehumidifiers are on the list with careful maintenance.

Key Features

  • The water tank is easily removed
  • Very efficient and quiet
  • Designed with compact and portable design
  • Well suited for small spaces
  • Designed with 400 ml capacity
  • Features auto shut off function
  • Provides 1-year warranty
  • Designed with low noise
  • A well-known and trusted brand
  • Leftover water remains in the tank

Frigidaire 70-Pint Dehumidifier

best dehumidifier for grow tent

This Frigidaire 70-Pint Dehumidifier is going to be your favorite item among all. It is among the very easy and convenient items to operate. If you want to hang it then there will no spills along with this dehumidifier. So go and get it now!

Related Article: Frigidaire FFAD7033R1 Review

Can I put a dehumidifier in my Grow tent?

For safety and security, this item is among the top products. This is very safe to place in the grow tent no matter how much area do you have in your tent or room. Also, this item is manufactured with the automatic functions as shut-off and restart that will avoid overflowing.

However, if you intend to use it simply in your grow room, this could be one of the greatest options on the market today.

Remove Microorganisms from Air

The Frigidaire 70-pint dehumidifier keeps your home dry and prevents mold and mildew from growing. It also aids in the removal of microorganisms from the air, which can make breathing difficult.

When the device is placed near an appropriate drain, Frigidaire’s 70 pints-per-day dehumidifier can run continuously. A computerized humidity monitor, 24-hour on/off timer, and controller locking are included in the Ready-Select electrical components.

Incorporated Side Hooks

You can regulate the exact proportion of dampness in your room using Effortless Humidity Control. The Space-Wise portable design features a top grip, incorporated side hooks, and caster wheels. These are helpful to make moving your item from one place to another place a breeze.

To make you aware that the water tank is full, this dehumidifier has an LED indication. This elegant design has only one handle for the power cord. Overall, the construction of the item is very fine and user-friendly.

Key Features

  • Manufactured with continuous drain option
  • Effectively minimizes bacteria in the air
  • Full tank indicator alerts you
  • High energy efficiency
  • Works well in low temperatures
  • Energy Star certified
  • Designed with custom humidity control
  • Provides high performance and durability
  • Space-Wise design
  • A little high price

Keystone 35 Pint Dehumidifier with Electronic Control

small dehumidifier for grow tent

The next one on the list is this Keystone 35 Pint Dehumidifier with electric Control. This item is the other name of quality and performance. This will be your best buddy for growing plants in your small area or the tent.

Most Energy-Efficient

This Keystone unit is ideal if you have a huge space but don’t want to spend a lot of money on a growing room dehumidifier. This item is capable of extracting more than 50 pints of moisture from an area of 4500 square feet per day.

It’s also among the most energy-efficient 50-pint dehumidifiers on the market. It works continuously for 24 hours at a constant speed until the 1.6-gallon container is filled. When in auto mode, it changes the moisture content in the room according to the company’s pre-programmed set range.

Easy Maneuverability

Once a line is connected, it can drop constantly by gravity. It’s substantially smaller and lighter, with side handles and four side rails for easy maneuverability.

It also includes a dust filter that can be removed and a filtration indicator light. In comparison to my top picks, the LED display and key controls appear to be outdated. The Keystone unit shines when it comes to flexibility.

Energy Star Certified

It is available with ratings with home-labs and Frigidaire versions and Energy Star certified. The humidistat on the Keystone can be adjusted from 35 percent to 85 percent in 5% levels. Also, the timeframe can be adjusted for up to 24 hours.

How do you dehumidify a small grow tent?

Installing this dehumidifier in your mini grow tent is a common technique for dealing with moisture content. It’s also a smart option to assist in disperse some of the damp air within the tent.

Key Features

  • Energy Star certified
  • Provides above-average performance
  • Large coverage area
  • Continuous draining option
  • Runs nonstop for 24 hours
  • Very easy to move and handle
  • Button controls look dated
  • Most energy efficient item
  • Average display quality

Home-Labs 3000 Sq. Ft Energy Star Dehumidifier

best dehumidifier for 4x4 grow tent

This home-labs dehumidifier is among my top selections for a moderate to large grow space. It can absorb more than 50 pints of moisture from the atmosphere within the range of 4500 square feet. The 22-pint or 35-pint units can span 1500 square feet and 3000 square feet, respectively. They are ideal for smaller grow areas.

Built-in Humidistat

This grow-tent dehumidifier provides great results while saving energy. You may select desired moisture content from 35 to 85 percent. It has been designed with a built-in humidistat and sophisticated control center.

You can also set a time limit for 0.5 hours up to 10 hours, 1 hour up to 24 hours, or constantly for 24 hours until the 1.6-gallon container is filled.

Auto Shut-off and Start Functions

For optimal moisture drainage and odor elimination, the Turbo mode boosts fan speed from Standard Air at 165 CFM to High Air at 188 CFM.

Auto shut-off, auto-resume, and auto freezing are also included with this dehumidifier. You may need to drain the container at least once or twice a day if the moisture content in your greenhouse is overly high.

Hassle-Free Item

With its structure, manual drainage is sure to be hassle-free. But if you don’t have the space, you can connect a water hose to the outlets for continual draining. If your grow room is normally hot and moist, this is the perfect dehumidifier for you.

It has attached with a recyclable filter that you will require to clean after one or a couple of months. It is Energy Star approved like the top selections and it works as well in identical circumstances. So, what else you are looking for?

Key Features

  • Comes with an LED indicator
  • Hold a massive 500 ml of moisture in its tank
  • Quite light and easy to move
  • Hassle-free with its design
  • Energy Star certified
  • High performance in ideal conditions
  • Long-lasting and reliable quality
  • Continuous drain option
  • Very easy to operate
  • Below average working in low temperatures

COLZER 70 Pints 4500 Home Dehumidifiers

dehumidifier for grow tent

Here I am going to tell you about a very fantastic item named COLZER Home Dehumidifier. In just 24 hours, this COLZER high-capacity dehumidifier can absorb up to 70 pints of humidity from the atmosphere. It’s ideal for growth areas up to 4000 square feet that require a lot of humidity.

Amazing Display Panel

On the Display panel, you can check the current moisture levels. Also, you can use the easy buttons to select your ideal level. When the atmospheric moisture falls below your predetermined threshold, this smart dehumidifier turns off automatically. Then it resumes when it reaches a greater level.

It’s important to note that the specified moisture must be at least 10% lower than the current room moisture for the item to function.

Multiple Modes

The top panel also contains a 24-hour clock and a speed fan switch. Along with this function, you can easily choose low and high temperatures.

This dehumidifier has two modes of operation: dehumidification and laundry drying. Also, this is visible in the LED display. If you’re growing light-sensitive plants, the lighting off option will shut off all of the lightings on the front and upper displays.

Audible and Visual Signals

This unit’s tiny design matches its modest water reservoir. On a hot and humid weather day, the 4.5-liter reservoir can quickly fill up. When the container is filled, this small grow tent dehumidifier gives an audible and visual signal.

Of course, not everyone has time to empty the tank manually twice or three times a day. The accompanying 6.56-foot drain pipe can be used to provide for constant gravity flow. Also, this COLZER dehumidifier has the auto shut-off, auto startup, and automatic defrost functions found in most current machines.

Key Features

  • An audible and visible alert
  • Continuous drain option with hose included
  • Auto shut-off, auto restart, and auto defrost features
  • Comes with a washable filter
  • High dehumidifying capacity
  • Easy-to-use intelligent controls
  • Very easy to operate
  • The compact structure of this unit
  • Low energy efficiency

Best Dehumidifier for 4×4 Grow Tent

Eva Dry Adv – 1100 Electric Petite Dehumidifier

dehumidifier for 4x4 grow tent

This Eva-Dry ADV 1100 dehumidifier is ideal for growing tents as small as 55 ft. It has the same thermodynamic cooling technique as the original, but it’s smaller and more portable. It works by forcing air through a Peltier component, which compresses humidity and generates droplets of water.

Very Reliable and Efficient

This compact but effective dehumidifier for growing tents can remove up to 8 ounces (220 ml) of humidity per day. Its reservoir can contain up to 16 ounces (450 ml). This implies you will have to dump it every two days at the very least.

When the temperature lies between 41-to-86 degrees Fahrenheit, this item performs amazingly. It won’t work below 41 degrees Fahrenheit.

Cost-Effective Item

When you talk about the area occupied by this item then it will cover 1100 ft. It is the most cost-effective alternative for people who require a dependable dehumidifier.

Which is the best size for a dehumidifier for a grow tent?

So, this Eva Dry Adv – 1100 Electric Dehumidifier has the best size and dimensions to place in the tent. It’s really simple to use and keep up with.

Simple to Use

On the negative side, this device is not designed for heavy-duty usage. The majority of Peltier dehumidifiers are made to work under normal weather conditions for a shorter time. Their optimum efficiency temperatures are usually between 65- and 86-degrees Fahrenheit.

Well, this item is among the smallest and the finest items for smaller spaces with fewer humidity levels. You have to simply draw the water reservoir in the back, unscrew the top, and dump the water into your drain when the tank is filled.

Key Features

  • Small, lightweight, and portable
  • Low energy consumption
  • Whisper-quiet operation
  • User-friendly controls
  • Compact and portable design
  • Has a sleek and mini design
  • Best dehumidifier made by growers for growers
  • Great value for money and well-priced
  • Only ideal for warm climates

Best Dehumidifier for 2×2 Grow Tent

New and Improved Eva-Dry E-500 Mini Dehumidifier

dehumidifier for 2x2 grow tent

Here is the last item on my list that is named New and Improved Eva-Dry E-500 Mini Dehumidifier. If you are worried about their energy usage, here is the solution. It only consumes 22 Watts, so you can be left it on all day and do not notice a change in your utility costs.

Read More: Wireless Mini Dehumidifier, White (E-333) Review: Easily Reduce Moisture

Mess-Free Lightweight

These spill-free, mess-free lightweight yet effective mini-dehumidifiers can protect up to 500 cubic feet from humidity. Along with innovative crystallized silica gel technology, this item is going to perform very well.

It can effectively absorb a maximum level of 6 to 8 oz moisture from the atmosphere with zero spills and leaks. So, for your basements, small areas, cupboards, pantries, restrooms, and boat cabins, you can prefer this.

Most Effective and Efficient

The most effective approach to collect humidity is using Eva-Dry compact dehumidifiers. Eva-Dry machines are A/C friendly, portable, and sustainable. They are designed and constructed to the greatest quality and consumer requirements. So, you will get rid of both the wetness and the cables in your smallest grow tents!

For the installation and operation, you will require no battery as you can easily connect your smartphone with the power cord and control it. It is also very moisture absorbing and long-lasting as well as reusable.

Moisture Absorbent

Once you have charged it, it will work for more than 4 weeks. You have to simply refill in any power cord once full. Then see the identifying silica beads dry out and change colors.

Having the silica gel technology, it can absorb up to 6 to 8 oz of moisture effectively from the air to remove humidity.

Key Features

  • Can protect a large area
  • Auto shut-off function to prevent any spills
  • Extremely easy to operate
  • A single button for the power switch
  • Compact and portable
  • Requires no batteries or cords
  • Renewable and eco-friendly
  • Very simple and easy to use
  • Small capacity

Best Dehumidifier for 3×3 Grow tent 

Pro Breeze portable Dehumidifier

This portable and bright low water shut-off system are so unique that it won’t let you worry about any water spills on the floor. It comes with wheels. Thus, it is straightforward to move and handle. It does not make any excess noise to have a quiet and comfortable sleep.

It is famous for its energy stars which make it efficient. It is an easy-to-use small device that takes less space and controls more humidity issues. All in all, it is a small gadget to handle huge humidity issues. Perfect for a 3×3 Grow tent Review 


Quiet operation comfortable atmosphere with no moving parts and parcels

You can use it in Closet, Basement, Crawl Space, RV, Boat, Car, Home, Bathroom, Bedroom, Small Areas and Tiny Spaces

  • Smart indicator lights up the system before the water spills out 
  • Light in weight 
  • Removes bad smell 
  • Reduces the risk of dust mites, bugs, and mold from growing in your bedding.
  • Eliminates musty smells and dampness found in carpet and upholstery.
  • Reduces condensation
  • 2,500 cubic feet

This tiny home dehumidifier is the perfect size for growing tents, rooms, or any other area up to 250 square feet in length. It takes up less space while providing you with satisfying performance. Also, this is hush-quiet technology to be used everywhere.

  • Silent 
  • Portable
  • Automatic shut off system
  • Continuous drainage system

Best Dehumidifier for 5×5 grow tent

Ivation Strong Thermo-Electric Dehumidifier

Ivation is brilliant, automatic, energy-efficient, and portable. This device is perfectly suitable for the grown tent area. This machine may look small in size, yet it is mighty. It helps tackle almost all problems related to humidity.


  • Quickly removes the faint smell
  • Reduces dust, mold, bugs, and mites from growing in the area
  • It helps maintain a comfortable and sound atmosphere
  • It does not take up much space
  • It reduces condensation and moisture
  • It can remove about 2200 cubic feet of water room atmosphere
  • Ideal small size
  • Automatic shutdown system
  • Smart and quiet working

This portable and intelligent gadget is the perfect piece for growing tents. It is compact enough. So, it takes less floor space and performs at its best. Also, this mini-dehumidifier features whisper-quiet technology so that you can use it virtually anywhere,

  • Portable yet efficient
  • Durable and long-lasting
  • Smart automatic shut off system
  • Covers about 215 square feet
  • It does not work well below 41°F

Buying Guide

After huge research and study on dehumidifiers, I have come to the point that different types of humidifiers work differently. The finest dehumidifier for indoor growth is determined by the type of room, as well as its dimensions and environmental circumstances.

I strongly advise you to glance at the following specs to improve the functioning of your dehumidifier. It will help to ensure ideal conditions for your plants.

Dehumidifying Capacity

The greatest level of moisture that a dehumidifier can extract from the air in 24 hours is one of the most significant factors to consider when purchasing one. In humid climates, a machine with a larger dehumidifying capability may be required.

Compressor kinds are the most common household dehumidifiers. They often have a 30- or 50-pint capacity.


The size of your grow room has a big impact on how effective your dehumidifier is. Between 1500 and 4500 square feet can be covered by conventional 30- to 50-pint units. All of the compressor systems I reviewed offer a 22-pint variant with a lesser range for smaller regions.

Water Tank Capacity

If you can’t evaluate the water tank and properly clear it every day, a dehumidifier with a high volume may be a better option. For example, a machine that removes 9 ounces a day can fill a 16-ounce container in about two days.


The water can be collected in the built-in tank, which must be manually emptied. It is enough to endure a day or two for transportable dehumidifiers, based on the humidity level and the unit’s dehumidification efficiency.

Some types are transportable and have a big capacity of up to 4 quarts. On the other hand, larger compressor types allow you to drain the humidity accumulated continually.


You might seek a dehumidifier that you can use in various spots of your house to save money. You would like a unit that is as portable as possible for ease of movement. For additional portability, modern dehumidifiers are equipped with wheels and grips.


The humidity levels in your rooms may be easily monitored due to built-in monitors. This and other features are included in the majority of top-rated models. Your dehumidifier will turn off automatically once the target humidity level is reached, and save you money and energy.

Other Features

For all, an easy-to-use start button with a sleek modern appearance is a must. You might find that indicator lights to get an indication of when the reservoir is filled or when the filters need to be washed.


Till now I am sure that you have cleared which dehumidifier is the best option for you among all the best dehumidifiers for grow tent. You must choose the right dehumidifier that can remove excess moisture from the air with the help of this article.

Also, I would like to suggest you Frigidaire 70-Pint Dehumidifier as the best one. It is due to its large capacity and performance. 

Do share your experience with me by leaving your comment below. 


Where to place a dehumidifier in a grow room or tent?

A dehumidifier will take some space into your Grow tent’s area. It’s not a good idea to waste area by placing a dehumidifier within a small growth region. It’s best to keep the dehumidifier outside the tent in this instance.

What is the right humidity level during flowering? 

The blooming (budding) stage requires a temperature of 20 to 25 degrees Celsius (68F to 77F). The optimal humidity level is between 40 and 60 percent that you can keep for your flowers.

Is it expensive to run a dehumidifier for a grow tent?

No, it is not that much costly as its hourly pay ranges from $0.03 to $0.16. It costs $0.72 to $3.84 per day to run a dehumidifier 24 hours a day. Dehumidifiers are classified as ‘low power expenditure’ HVAC appliances by the US Department of Energy.

What is the suitable size of dehumidifier for 3×3 grow tent?

When it comes to the size of dehumidifier that is needed for a 3×3 grow tent the it mainly depends on the humidity level in the specific area. Thus, we cannot conclude any specific size according to the area only but the humidity level matters the most.

Where should you place a dehumidifier inside or outside a grow tent?

This too depends upon the humidity level. You should keep the dehumidifier where the humidity level is severe. However. It is recommended to keep dehumidifiers out of the tent rooms because most of the moisture issue are out of the tent room.

Why people keep dehumidifier inside the 3×3 tent room?

If people are having humidity issues inside the room, they will prefer to keep a smaller dehumidifier inside the tent. However, this method is not efficient because of constant ventilation and addition of further heat.

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