Best Dehumidifers for Grow Tents

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One of the biggest problems with growing marijuana for medical or recreational use is too much humidity in the grow tent. In fact, high humidity can cause huge issues in as little as 24 hours.

For instance, excess humidity can cause bud rot or flower rot, white mold, powdery mildew, stagnant growth, and nutrient deficiencies. In addition, high humidity hampers your plants ability to breathe.

Eventually, too much humidity can suffocate your plants and cause stunted growth or even death.

Humidity – How Much is Too Much?

Humidity is basically water vapor in the air. Humidity in a grow tent is an indicator that your plants are breathing and are healthy. Actually, a plant needs different amounts of humidity at certain stages of its growth.

Best Dehumidifers for Grow Tents

For example, a plant requires diverse levels of humidity when it seeds, grow, and produces or flowers. However, good rules of thumb for grow room humidity levels should never be greater than 70% at all times.

In fact, according to Growing Marijuana World, the grow tents humidity should be from 40% to 60%.

Is the Humidity too High in your Grow Tent?

Sometimes you may not have a way of measuring the humidity in your grow tent, especially beginning growers with a limited budget. None the less, there are certain indicators that tell you that your grow tent has too much humidity.

  • Rotting
  • Droopy leaves
  • Powdery mildew
  • Plants have mold
  • Soil is waterlogged
  • Stunted plant growth
  • Soil feels wet and thick
  • A hygrometer that measures humidity

If any of your plants have these symptoms, then your grow tent probably has too much humidity. If this is the case, you want to remedy the problem as soon as possible before the overall health or your plants are greatly affected.

Excellent Solutions

One of the best solutions for reducing humidity in your grow tent is the use of a dehumidifier. In fact, many expert growers claim that a dehumidifier is an essential device for growing marijuana in any type of enclosed area such as a grow tent.

Dehumidifier with touch panel, humidity indicator, uv lamp, air ionizer, water container works at home while people relaxing with cat.

Not only will a dehumidifier help with mildew and plant growth, but it will give you total control of the room’s environment. In result, your plants will be healthier, offer more yields, and have fewer pest and insect issues.

The Best Dehumidifiers on the Market

Today you can find a wide variety of top quality dehumidifiers that can be catered to you needs. Whether you are looking for a cost effective solution or the best of the best, here are the top dehumidifiers that can be found on the market.

#1 Choice – Eva-dry Edv-1100 Electric Petite Dehumidifier

The Eva-dry Edv-1100 Electric Petite Dehumidifier does not have a compressor. Instead, the device utilizes Peltier Technology to remove excess moisture from the immediate environment.

Consequently, since there is no compressor, the device is extremely quiet. Actually, the noise level tests at 50.9 dB which is 2.3 dB below the average dehumidifier.

This innovative dehumidifier is ideal for small areas that have limited space. Not only is it very quiet but it’s a lightweight thermo-electric device that can be easily moved when needed.

In addition, the Eva-dry Edv-1100 Electric Petite Dehumidifier is extremely efficient and uses low power consumption. In fact, the manufacturer specifies a power draw of only 22 watts.

With minimal energy consumption, you are assured to save on your utility bill.

Another great feature it the Eva-dry Edv-1100’s durability. The dehumidifier is composed of superior and high quality material that is built to last.

In addition, it features a renewable basin that is designed to remove odors and fungus plus absorb fetid odors from stagnant air.

You will also be pleased with the simple plug and play features that take no time to set up. Merely, plug the device in, turn it on, and then let the dehumidifier do its job.

Once the water or condensation is collected, the water container will read “full” and also have an LED that will light. At this time, the dehumidifier will automatically shut off.


  • Portable
  • Energy efficient
  • A small compact unit
  • Best for light to mid-level moisture
  • Simple access to the water container


  • A little noisy
  • For some, the pour hole needs to be bigger

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Alternative #1 Choice -Honati Small Dehumidifier, Ultra-quiet Mini Portable

The Honati Small Dehumidifierr, Ultra-quiet Mini Portable is the perfect unit for areas that have limited space.

It is small unit that is compact as well as proficient. In addition, the dehumidifier has numerous features that make it stand out from other devices.

The Honati Small Dehumidifier is a compact and portable unit that uses only 45w power yet has a water capacity of 1000ml. In addition, it has a 3 stage filtration system composed of an activated carbon filter plus a HEP pre-filter for ultimate air purification.

This compact device is also very user friendly. It has a convenient panel which includes a one button start, a high or low speed mode, an indicator light when the device is operating, a purification button, and a dehumidification button.

The The Honati Small Dehumidifier has an innovative design specifically for portability and ease of use. It is just 7.68 x 8.46 x 12.4 inches and only weighs 5.95 pounds, making it extremely lightweight and transportable.

In fact, you can place it anywhere you need a proficient dehumidifier and air purifier.


  • Extra quiet
  • User friendly
  • Highly efficient
  • Auto shut-off
  • Simplistic design


  • Some devices are reported to be noisy after a month or two
  • The water receptacle has two compartments that need to be emptied separately

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Runner Up – SEAVON New Electric 2020 Mini Dehumidifier

The SEAVON New Electric 2020 Mini Dehumidifier is an advanced unit that has an abundance of features and functionality. This device it ideal for small to medium sized areas and has a neutrally colored exterior to blend in with your décor or grow tent.

Furthermore, it is extremely efficient and easily moved from one area to another.

When it comes to performance, the SEAVON New Electric 2020 Mini Dehumidifier is hard to match. The device has a 500 ml capacity tank that has the ability to extract up to 9 ounces (250 ml) daily in a small and enclosed space.

Additionally, it has an extensive operating temperature with a minimum of 45ºF and maximum of 122ºF.

The SEAVON New Electric 2020 Mini Dehumidifier also has an array of other features including an LED indicator that lights up when the water tank is full, a transparent high capacity tank that is simple to use by merely pulling out the plugin and empting the vessel, and inbuilt thermoelectric cooling technology that is powerful yet supports a quiet operating system.

What is more, the dehumidifier has a drastically reduced noise level and features a whisper quiet performance. In fact, oftentimes you won’t even know it is on. As well, the well-designed unit is very compact and lightweight.

In fact, it only weighs about 2.4 pounds, making it easy to move to any location desired. Moreover, this dehumidifier is energy efficient and minimizes the use of power.

The SEAVON New Electric 2020 Mini Dehumidifier is the perfect dehumidifier for areas that are about 1500 cubic feet. In fact, it offers optimal performance for tiny rooms or small grow tents.


  • Easy to use
  • Compact and portable
  • Very low maintenance
  • Auto shut down when tank is full
  • Very lightweight and easy to move


  • Has a somewhat short cord
  • The water container can be hard to clean

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Budget Option -Eva Dry Wireless Mini Dehumidifier

The best for your buck is the Dry Wireless Mini Dehumidifier. It is an effective solution to reduce humidity levels in small areas at an affordable price.

Unlike most other dehumidifiers, this unit has no water tank. Its Eco design utilizes toxic-free crystallized silica gel beads that effectively and quickly absorb extra moisture in the air.

In fact, the unit absorbs up to 4 to 6 ounces of air humidity. Plus tit is stress-free when it comes to spills or leaks.

This amazing device is also cordless. As a matter of fact, it is 100% renewable and doesn’t require you to invest in extra batteries.

Simply charge the unit and it’s ready to do its job. Moreover, the charge lasts up to 20 to 30 days before you have to recharge it.

As well, the batteries last up to 10 years.

When it comes to design, the Eva Dry Wireless Mini Dehumidifier is over the top. It is compact, sleek and easy to use.

Just hang the device where you need it, turn it on, and leave. Likewise, it is perfect for areas up to 330 cubic feet for optimal performance.

All the more, the high quality Eva Dry Wireless Mini Dehumidifier comes with a 5 year warranty guarantee if you are not satisfied with the device. In fact, satisfaction is guaranteed.


  • Has an absorption capacity up to 6 ounces
  • Comes with a 5 year warranty guarantee
  • Compact, sleek design that is easily transported where you need it
  • Does not have a tank – uses toxic-free crystallized silica gel bead technology
  • Simple to use – is cordless and requires no batteries, simply charge every 20 to 30 days


  • Not designed for larger rooms
  • Best with standard home 120V outlet to recharge, otherwise they may run hot

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Nicest & Most Expensive Option – Frigidaire 50-Pint FAD504DWD High Efficiency Dehumidifier

The Frigidaire 50-Pint FAD504DWD High Efficiency Dehumidifier is a high rated 50 pint unit that is perfect for large areas. It is a straightforward device that is easy to use.

It features a simple digital control panel, a humidistat control, and unique continuous draining system. In effect, the advanced unit gets rid of 50 pints of unwanted humidity every day in areas measuring up to 800 square feet.

Frankly, it productivity is astounding.

This top of the line device also has a humidity sensor that constantly senses the areas humidity and will activate the compressor alternately in order to sustain the desired humidity that you need. Basically, the fan tests the air every couple of minutes and will turn the compressor on when needed.

Equally, the device is quite user friendly. In fact, the controls are easy to use. Mainly, just set the humidity level you desire using the digital humidistat and allow the device to perform its amazing work.

The performance level of the Frigidaire 50-Pint FAD504DWD High Efficiency Dehumidifier is amazing. The dehumidifier will actually get rid of 62.5 ounces (1.85-liters) of moisture per kilowatt hour (L/kWh).

Additionally, the unit meets the high energy standards for residential dehumidifiers with Energy Star.

The Frigidaire 50-Pint FAD504DWD High Efficiency Dehumidifier also has many of features and highlights that make it superior from all other dehumidifiers on the market.

It features dual fan speeds, continuous and manual draining (whichever is desired), continuous mode when you quickly need to remove humidity, auto restart after any power outage, a clean filter light indicator, will operate even in low temperatures down to 41°F (5°C), a front loading water tank for easy access, easy to move with top and side handles plus caster wheels, is American Association of Home Appliance Manufacturers(AHAM) verified, is extremely energy efficient using 15% less energy than conventional units, and has an antibacterial filter that seizes germs, allergens, and bacteria.


  • Removes up to 50 pints of water per day
  • Features dual fan speeds for optimum control
  • Designed for larger rooms from 1500 to 3000 square feet
  • AHAM verified and Energy Star-Qualified using 15% less energy than conventional units
  • Precise humidity sensor – senses a room’s humidity and maintains desired humidity levels
  • Has a simple digital control panel, a humidistat control, and unique continuous draining system


  • Can be a little noisy
  • Overheating if standard outlet is not used

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