Top 7 Best Dehumidifiers for Grow Tent Reviews (2021 Updated)

Best Dehumidifier For Grow Tent Reviews

A nice sized grow tent with the best humidity levels is a perfect ecosystem to help your plants grow fast and healthily.

With the help of the best dehumidifier for grow tent, you can control an appropriate condition in the grow tent for successful cultivation. You can also prevent the development of moisture, pollutants, mold, odors, and mildew buildups that can ruin your indoor plants.

If you are finding a dehumidifier for your grow tent or grow room, here are the top 7 that I have found.

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Top 7 Best Dehumidifiers for Grow Tent 2021

Product ImageProduct NameFeaturesPrice
Inofia 30 Pints Dehumidifiers Grow TentsBest OverallSee latest Price
SEAVON B083J36134 Small Dehumidifier for Grow TentsBest PriceSee latest Price
Eva-dry E-500 Renewable Mini DehumidifierBest Dehumidifier For 3x3 Grow TentSee latest Price
Eva-dry Edv-1100 Electric Petite DehumidifierBest for Light WeightSee latest Price
VAV SEA Small Electric DehumidifierRun QuietlySee latest Price
COSVII Upgrade DehumidifierBest For EfficiencySee latest Price
Waykar 130 PintsBest Commercial Grade DehumidifierSee latest Price

In-depth 7 Top Rated Dehumidifier for Grow Tent Reviews

1. Inofia 30 Pints Dehumidifiers Grow Tents – Best Overall

Specs:

  • Working area: Up to 1056 sq ft
  • Capacity: 30 pints
  • Weight: 24.9 pounds
  • Upper-Temperature Rating: 95°F

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The Inofia 30 Pints Dehumidifier is the best choice for large grow tents and greenhouses all year round. This device can remove up to 30 pints of water per day, which is sufficient to dehumidify the moisture for an area of 1056 square feet.

The water reservoir and the drainage system are two highlighted features that made this dehumidifier the top #1 favorite for indoor plant addicts. The reservoir can contain 1.8 liters of water. When it’s full, it will automatically shut off and audibly alert you to empty it.

If you are too busy, you can attach the 6.56-feet drain hose with the tank to allow the drainage system to work on its own by gravity.

Maintaining proper temperatures is the key to successful indoor cultivation. Even when the room temperature is below 41oF, this dehumidifier can run as usual thanks to the Auto-Defrost feature. This feature helps avoid maintenance effort and also prolongs the lifespan of the machine.

Pros Cons
  • Can cover a large grow tent or indoor area of 1056 square feet
  • 1.8L water reservoir with self-draining system
  • Auto-Defrost when the temperature is below 41oF
  • Easy operation
  • The water tank should be larger

2. SEAVON B083J36134 Small Dehumidifier for Grow Tents – Best Price


Specs:

  • Working area: Up to 240 sq ft
  • Weight: 2.6 pounds
  • Item Dimensions (LxWxH): 6.2 x 4.9 x 10.1 inches
  • Water tank: 800ml

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This compact dehumidifier from Seavon is one of the best cheap dehumidifiers that can perform best in small spaces like home basements, wardrobe closets, garages, or grow rooms. This dehumidifier can cover an area of up to 240 square feet (2,200 cubic feet). Hence, it can be used for a 5×5 grow tent.

This dehumidifier is an ideal pick for small spaces since it has dimensions of 6.2 x 4.9 x 10.1 inches and weighs only 2.6 pounds. Hence, you can move it around your house with ease.

A highlighted feature of this item is that it can start to work when the humidity is more than 45%. Its water tank can contain a maximum water capacity of 800ml and can extract up to 350ml of moisture every 24 hours.

When the water tank is full, it will automatically shut down when the light turns red.

However, this compact machine doesn’t work for all temperature levels. Its optimal temperature limitation is between 59 to 86oF. And it doesn’t work at temperatures of below 41oF.

Besides, this dehumidifier model is also not recommended for areas that have high humidity all year long, like Houston (Texas), Jacksonville (Florida), or tropical regions in Asia.

Pros Cons
  • Affordable
  • Compact and lightweight
  • Auto-shutdown when the water tank is full
  • Doesn’t work when the outer temperature is below 41oF
  • Can’t be used in areas with high humidity

3. Eva-dry E-500 Renewable Mini Dehumidifier – Best Dehumidifier For 3×3 Grow Tent

Specs: 

  • Working area: Up to 500 cubic feet
  • Item Weight: 1.8 pounds
  • Item Dimensions (LxWxH): 5.5 x 2.5 x 5.5 inches

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Since I’m an indoor plant addict, I prefer environment-friendly products, like recycled plant pots or the Eva-Dry E-500. This dehumidifier uses non-toxic crystallized silica gels to absorb 6-8 oz of moisture in the air with no leaks and no spills.

This Eva-Dry item can maintain the perfect dryness for an indoor area of up to 500 cubic feet (around 62 square feet). Hence, you can use this machine for your 3×3, 2×2, or 2×4 grow tent or any small spaces like under sink, pantries, cabinets, bathrooms, and so on.

Moreover, this device is 100% cordless, meaning it can work with no cables and batteries. You can hang it in your grow tent, in your wardrobe or cabinet, or anywhere you need to control moisture.

When the beads turn from orange (Dry) to green (Wet), you know it’s time to dry up the silica gels in any power strip until they change their color again.

Pros Cons
  • Eco-friendly silica gel method
  • Indicator window once it’s wet
  • 100% cordless, no-battery moisture control system
  • Need to be hung on the wall

4. Eva-dry Edv-1100 Electric Petite Dehumidifier – Best for Light Weight

Specs:

  • Working area: Up to 1,100 cubic feet
  • Item Dimensions (LxWxH): 6.5 x 8.5 x 5.3 inches
  • Item Weight: 1 pound

Check Latest Price on Amazon.com

If you are looking for a small dehumidifier for an area of 1100 square feet or smaller, this Eva-Dry Edv-1100 is an affordable pick that doesn’t break your bank. This machine can fit a grow tent of 4×4, 4×8, 6×6, etc. Although it was released 4 years ago, it has still been recognized as the top pick within a small budget.

This Eva-Dry grow tent is built to last since it is made of high-quality materials that are less prone to breakage or wear out. The water reservoir is made of renewable material. It can reduce musty odors from stagnant air and prevent fungus buildups.

I have seen newer dehumidifiers that run under 48 dB on this list. So this compact model is not the quietest one since it runs on a noise level of 53.2 dB. You can quickly reduce the extra decibels of this machine by properly sealing your grow room.

Pros Cons
  • Top pick for small budget
  • Made of high-quality materials
  • Reduce odor and fungus buildups
  • Quite noisy
  • Not energy-efficient

5. VAV SEA Small Electric Dehumidifier – Run Quietly

Specs:

  • Working area: Up to 215 sq ft
  • Item Dimensions (LxWxH): 6.06 x 5.11 x 8.58 inches
  • Upper-Temperature Rating: 50 Degrees Celsius

Check Latest Price on Amazon.com

This mini dehumidifier from VAV SEA can cover up to 215 square feet (1200 cubic feet). You can use it for any indoor environment, provided that it is over 40% RH and over 59oF. This dehumidifier can enhance the air quality indoors, thus creating a healthy and comfortable living environment for your family.

It can contain a large capacity of 17 oz. Nonetheless, it’s far more energy-efficient for home use since it spends only 23W/h, meaning 0.552kW per 24 hours of continuous operation.

Besides, this machine uses thermoelectric cooling, which is so quiet. When running, it has an average noise level below 30dB. So you can place it in any area in your house with no disturbing sound.

Pros Cons
  • 17oz water tank capacity
  • Low energy consumption
  • Ultra-quiet (under 30dB)
  • The dehumidification effect slows down when the temperature is below 41oF

6. COSVII Upgrade Dehumidifier – Best For Efficiency


Specs:

  • Working area: Up to 480 sqft
  • Item Dimensions (LxWxH): 8.19 x 5.9 x 13.27 inches
  • Item Weight: 3.97 Pounds

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This ocean blue COSVII dehumidifier is a cost-effective solution used in areas with high humidity like kitchens, bathrooms, or grow tents. This machine can effortlessly cover up to 480 square feet, thanks to its double-sized air outlet and its gigantic water reservoir.

This dehumidifier saves more electricity than traditional bulky compressors or desiccant dehumidifiers since it consumes only 1.15 kW per 24 hours.

The water reservoir can pull up to 23-34oz of water daily in an environment of 86oF and 80% RH. Using this machine, you won’t have to spend too much effort checking the water level since it will automatically stop when the tank is full to prevent overflow.

For the indoor cultivation purpose, you should check your plant type and its stage of life to set the appropriate humidity level for it. Seedling/early vegetable requires 70-75%, vegetable requires 50-70%, and flower requires 40-50%.

Pros Cons
  • Double-sized air outlet
  • Energy-saving
  • Portable design for simple transportation
  • The operation unit is not as good as advertised

7. Waykar 130 Pints – Best Commercial Grade Dehumidifier

Specs:

  • Working area: Up to 6000 sqft
  • Water tank: 5 liters
  • Weight: 67.2 lb

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Waykar 130-Pint is the best commercial-grade dehumidifier for grow rooms that is portable and easy to use. This moisture control machine has an elegant design, making it an ideal add-on for your living space or large grow rooms.

This heavy-duty dehumidifier can remove 130 pints of water per day from an indoor area of up to 6000 square feet. Although it’s bulky in size, you can quickly move it from room to room, thanks to the four heavy-duty caster wheels and two ergonomic handles.

The control panel with a digital display on top of the machine allows you to watch and adjust the settings like humidity levels, fan speed, timing, etc.

Since this machine is designed for large indoor spaces with high moisture absorbent demand, it can act as a self-draining system. First, connect the water tank with a 6.56-feet drain hose. Then it will continuously remove water by gravity. Besides, you can manually drain water using its 5-liter water tank.

Pros Cons
  • Cover up to 6000 square feet
  • 24-hour timer
  • Easy transportation with wheels and handles
  • Dual drainage options
  • Bulky, not suitable for small grow tents/areas

My Top Pick

Indoor growers should balance the moisture and temperature and monitor how they affect each other. Excess humidity at all stages of your plant growth can cause problems like mold and mildew.

Among these 7 top-rated dehumidifiers, Inofia 30 Pints is the best dehumidifier for grow tents. This machine can cover a large indoor area. Besides, it offers essential features for your healthy cultivation, like self-drainage, Auto-Defrost, auto shut-off.

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