5 Best Dehumidifier for Grow Room (Comprehensive Reviews and Buying Guide)

Humidity plays a crucial role in plant growth and health. Every type of plant and each level of development requires a particular level of moisture. Therefore, farmers need to monitor and regulate humidity. High humidity harms plant health. Also, they accept issues like foul-smelling mold and fungus. Therefore, the best dehumidifier for grow room is important for any high humidity growing room. It is safe, energy-efficient, well ventilated, and uses less energy. It won’t take your electricity or utility bills higher.

There is a transparent tank that comes with the water level indicator. Therefore, it is not easy to get lost when the tank is full. Thanks to the soft silicone lid on the tank that ensures no water leaks in a tank. Likewise, the LED will light up to remind you to empty the tank. Once the water reaches the total capacity of the water tank, the device automatically shuts off. To help you get the best dehumidifier for grow room, we have compiled a list of the five products.

Kesnos 4500 Sq Ft White 70 Pint Dehumidifier Best dehumidifier for grow room 2
Kesnos 4500 Sq Ft White 70 Pint Dehumidifier via Amazon.com

Factors to Consider When Buying the Best Dehumidifier for Grow Room

Rate of dehumidifying

Calculating a dehumidifier’s capacity is crucial to look for in a dehumidifier. Many large dehumidifiers can hold up to 18-20 ounces of water in a day. 8 to 12 oz of moisture is expected for smaller units. However, the greater the dehumidification performance, the greater the energy consumption. And you need to know how often the dehumidifier is used.

Temperature requirements

Different types of grow rooms and plants need different ambient temperatures to thrive. The same is valid for growth cycles. In addition, the local climate has a significant impact on the grow room humidity. When shopping for the best dehumidifier for grow room, choose the one that suits your temperature needs. For example, if your city has high temperatures, you need a more efficient dehumidifier.

Size

When buying the dehumidifier for grow room, you need to consider the size. If you have a small room with few plants, a more solid dehumidifier will do the job well and take up valuable grow space. The smaller model needs to be emptied more often, leading to mold formation. The model with an outlet hose would be a reliable option.

Nevertheless, if your room is larger, you will need a dehumidifier to keep the humidity below the required levels. A larger dehumidifier can occupy more space, but it will save you time emptying a tank and will even remove more humidity from the air in the larger area.

Number of plants

If there are more plants, it equals more watering, which means more humidity in the air. Typically, this is especially noticeable in young plants. Growing plants need different moisture levels at various stages, and young plants need 60-70% humidity for optimal growth. They require to absorb more humidity from their leaves because the roots aren’t fully developed yet. So, if you plan to do a lot of vegetative and seedling growth, consider things.

It is best to know if the dehumidifier can be used in different growth stages or just for flowering, seedlings, etc. Ideally, the former will need a more robust, larger, and programmable dehumidifier to handle different humidity levels.

Cleaning

Because of their moisture-producing nature, humidifiers suffers from mold growth. The humidifier should be cleaned regularly to avoid the mold particles from getting into the air. These are the most troublesome aspects of some humidifiers. Likewise, some models are poorly designed regarding cleanliness and require weekly disassembly to put them in good condition. Make sure you choose the humidifier, which is easy to clean. Else you may end up unused on a kitchen cabinet and be forgotten.

Plants’ need

If you’re purchasing the model to dehumidify the grow room, you should consider the plant you’re growing before buying the best dehumidifier for grow room. For marijuana, you require a high level of humidity in the early stage and a low in the flowering stage. Therefore, choose the dehumidifier, which perfectly suits your requirements, and you will adjust the humidity level as per the situation.

Portability

Nobody needs to fix the dehumidifier in a specific location permanently. Sometimes it is required for the bedroom, and at times it needs to be set in the grow room. So, make sure the dehumidifier is portable enough. This is done with the rear handles, side handles, castors, and top handles.

Filter replacement

Although not all, most humidifiers use filters. They must be replaced, although the replacement time of each filter is different for every humidifier. Some models need to replace the filters every few weeks, whereas others last about six months. Cleaning the filter will assist in prolonging the life, but you need to consider the cost of the filters and how often they need to replace when choosing a humidifier.

Coverage area

When buying the best humidifier for grow room, you need to consider the coverage area. Typically, each model has a label about the place of coverage. Therefore, before buying any model, evaluate its size and choose a suitable model. Also, determine the best room for the dehumidifier to maximize performance. If you’re growing a small number of weeds in a grow room, you need the best dehumidifier in a 4×4 to grow room, covering a short area.

Ability to purify the air

These days, many dehumidifiers offer an air purification service in addition to dehumidification. They are used to remove dust, allergens, dust mites, mildew, mold, and other similar contaminants. If you can pick one that works both ways, using the dehumidifier for grow room is at a premium. Likewise, be sure to use the necessary accessories of dehumidifiers if necessary.

Drainage and ducting

Some dehumidifiers only have buckets, which require to be emptied manually and regularly. Alternatively, you can connect a drain hose to the bucket with some dehumidifiers to remove water from the tank down the floor drain. A condensate pump may be needed to drain the water in other cases.

It would be best to find out what’s best for your business. Ducting is another important consideration when purchasing the best dehumidifier for grow rooms. Ducts allow for better distribution of dry air, which can be distributed over a larger area than ductless dehumidifiers. For plants that need fresh air, duct models are the best option for grow room.

Price

Finally, price is another crucial factor when buying the best dehumidifier for grow room. Many people want a model that is within their budget and has high-quality features. Look at the budget and choose the right humidifier.


5 Best Dehumidifier for Grow Room

1. Pro Breeze 2200 Cubic Feet Electric Mini Dehumidifier for Grow Room

Pro Breeze 2200 Cubic Feet Electric Mini Dehumidifier for Grow Room Best dehumidifier for grow room

For those who want a dehumidifier for a lightweight, portable, and compact grow room, here is the product from Pro Breeze. It can remove about 18 ounces of water every day with a water tank capacity of 52 ounces. The most important thing about it is that it can cover about 3000 cubic feet.

Besides, it comes with the auto shut-off feature that makes it shut off automatically when the dehumidifier is whole and turn-on the LED light showing the water tank requires draining. The in-built thermo-electric cooling technology operates without the compressor, meaning quiet and whisper operation in bathrooms, offices, and bedrooms. This allows you to run the dehumidifier all night and day without any disturbing or loud noises.

Like many dehumidifiers, the ideal operating temperature is between 59 and 86°F. Essentially, it won’t work below 41°F. On the other hand, working with low power consumption is energy efficient. The model lowers the humidity, making it ideal for a high humidity area in the kitchen, closet, bathroom, garage, home, and bedroom.

Pros
  • Lightweight and portable
  • It is compact
  • It has an auto shut-off
  • Ultra-quiet and efficient
  • It lowers humidity
  • It is energy efficient
  • Easy to dispense the water
  • It keeps the area free from mold, rust, and pests
  • It is affordable
  • Easy to use
Cons
  • The warranty does not exist

2. Kesnos 4500 Sq Ft White 70 Pint Dehumidifier

Kesnos 4500 Sq Ft White 70 Pint Dehumidifier Best dehumidifier for grow room

This dehumidifier product from Kesno can remove moisture to about 70 pints per 24 hours. The model is ideal for large to medium rooms in areas of about 4 500 Sq. feet in the same case, it adjusts the humidity from between 30% and 85%, and you will easily maintain the healthy humidity range of 45%-55%. Equally important, it comes with ergonomically recessed handles and 360 degrees easy-roll hidden wheels, where you can move it around quickly.

It has a quiet operation that does not disturb you while at work or sleeping, and there is an adjustable fan speed for multiple choices. More importantly, this humidifier has the dry clothes function that allows you to place it in the room where you will hang wet clothes and dry the clothes naturally. Likewise, it is designed with a modern and sleek look, making it attractive in the room.

Furthermore, it has an automatic shut-off feature, which allows you to adjust to the ideal moisture setting and run a continuous 24-hour cycle until a tank is full. At this point, it will shut off automatically. Also, it comes with a 2m drain hose that continuously auto-drain the dehumidifier without draining the water bucket. Because of its unique features, it is perfect for basements, home, office, bedroom, bathroom, kitchen, stockroom, laundry room, living room, crawlspace, and cellars to remove humidity.

Pros
  • It has a modern and sleek look
  • It has 360 degrees easy-roll hidden wheels
  • It allows you to dry the clothes naturally
  • The operation is quiet
  • Easy to use
  • Intelligent touch control
  • It shut off/on automatic
  • It offers an accurate and convenient humidity level readout
  • Smartly sense the room humidity
  • It reduces energy consumption
  • Easy to move
  • Easy to maintain
Cons
  • It has poor customer service

3. AIRPLUS 4,500 Sq. Ft. 70 Pints Dehumidifier for Grow Room

AIRPLUS 4500 Sq. Ft. 70 Pints Dehumidifier for Grow Room Best dehumidifier for grow room

The advantage of this best dehumidifier for grow room is that it absorbs moisture quickly and can fit in large to medium rooms. It is known for removing water to about 70 pints per day. When you compare it with other products, its efficiency is higher. In all honesty, it comes with the four modes that include standard, drying, raining, and sleep, where you can choose one based on the anticipated effect.

Similarly, this dehumidifier comes with a two-way timing function that frees you to wait to turn on/off while in the bedroom. In the same case, there is the dehumidifier hose, which continuous drainage is effort-saving and more convenient. On the other hand, it is coupled with a large-capacity water tank that saves troublesome work.

The compact design and high-efficiency dehumidification are ideal for the bathroom and work well in the kitchen, living room, closet, RV, etc. In the same way, the basement can be carried easily with universal wheels. What is more, it comes with advanced auto-defrosting technology, which allows it to detect the state of defrosting and evaporator automatically.

Pros
  • Absorbs moisture quickly
  • Multifunctional modes and intelligent operation
  • Easy to use
  • Effort-saving and more convenient
  • It automatically shut off
  • Widespread application
  • It is attractive
  • It has flexible movements
  • Easy to use
  • Convenient drainage
  • Easy to operate
  • It has an ergonomic handle
  • Easy to maintain
Cons
  • The water tank does not have a handle

4. CHIONE Energy Star Certified 1,500 Sq. Ft. 22 Pints Dehumidifier for Grow Room Removal

CHIONE Energy Star Certified 1500 Sq. Ft. 22 Pints Dehumidifier for Grow Room Removal Best dehumidifier for grow room

Maintaining a healthy humidity range of 30%-50% has never been easier than having this CHIONE product. It can remove about 22 Pints of moisture every day and adjust the humidity from between 35% and 85% to create an ideal amount of moisture in the basement, bedroom, bathroom, garage, or office. It meets the highest standards of efficiency and performance to offer you savings.

I appreciate the on/off 24-hour timer because you can run it any time you want, and it comes with the filter cleaning notification, which lights after 250 hours of use. With the built-in rotatable wheels and handles, and compact design, you can place this model anywhere you want it most very quickly. A large water tank holds to about 0.8 gallons and notifies you when complete.

You can use a net home plus app like the remote control that can help turn on/off multiple settings quickly, check operations, and change the humidity settings of the dehumidifier. It is the best way to constantly make the room have the proper moisture to ensure optimal comfort. Even more, it comes with a unique feature that allows the dehumidifier to notify you when the reusable filter requires cleaning.

Pros
  • It has an on/off 24-hour timer
  • Easy to maintain
  • It is compact
  • Easy to set up
  • It has handles and built-in rotatable wheels
  • Wireless controlled
  • It ensures optimal comfort
  • It has incredible features
  • It comes with a warranty
Cons
  • It is not ideal for wet locations

5. Vacplus 1,500 Sq. Ft. 30 Pints Effortless Humidity Control Dehumidifier

Vacplus 1500 Sq. Ft. 30 Pints Effortless Humidity Control Dehumidifier Best dehumidifier for grow room

Do you want the best dehumidifier for grow room that is versatile? Then go for this product from Vacplus because it suits bedrooms, dining rooms, living rooms, attics, garages, and basements. It effectively removes the moisture and efficiently reduces the moldy odor in the house, offering you a comfortable and dry environment.

Besides, it offers you the timing shutdown/start-up function where you can program a 24-hour timer to fit your lifestyle. Equally important, this dehumidifier is amazingly energy-saving because it does not rack up the energy bill. In the same case, it comes with convenient universal wheels, which make the dehumidifier easy to move.

Additionally, it has an adjustable fan speed and humidity and a 36dB average sound, keeping you away from disturbing noise when studying or sleeping. It becomes suitable for pregnant women, babies, and the old. There is dehumidify and drying clothes mode, which gives you the option to choose. Also, with the unique design, you won’t be caught by the consequence of forgetting the whole water tank.  

Pros
  • Professional and efficient dehumidification
  • It automatically shut off
  • Easy to use
  • It is convenient
  • It is quiet
  • Keeps the environment comfortable and dry
  • Lightweight and versatile
  • Effectively reduce the moldy odor in the house
Cons
  • It is expensive

Conclusion

Dehumidifiers for grow room are used to remove excess moisture in the air that harms plant health. The market is full of dehumidifiers with different specifications and features. When buying the best grow room, factors such as the size, portability, and the buyer’s budget are some of the properties required to get a suitable model.

Based on the customer feedback and research, Kesnos 4500 Sq Ft White 70 Pint Dehumidifier is the best-selling product. This is because it has an area coverage of 4 500 Sq. feet, which is ideal for large to medium rooms. Besides, it comes with a 2m drain hose that auto-drain the dehumidifier without draining the water bucket. This product has attained the above factors because it has an area coverage of 4 500 Sq. feet and has a drain hose, which auto-drain the dehumidifier.

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