Top 3 Best Dehumidifiers for Grow Tents in 2022 ( 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. To help you get the best dehumidifier for grow room, we have compiled a list of the best products.

Why your grow tent needs to be dehumidified

It may seem unusual to say that you need a dehumidifier in your grow tent. After all, water is essential to a healthy hydroponics growing environment (why, “hydro” is even in the name!). While that is true, on the other hand, moisture can also be the bane of the existence of a grow tent environment. With all the water present in a grow tent, it makes sense that a lot of water can be found in the air, particularly when you consider that grow tents are generally small, enclosed spaces. This moisture in the air can lead to a host of plant-ruining issues. Excessive moisture in the air can lead to mold or root rot, which can decimate any crops you are trying to grow in your setup. A dehumidifier is an absolutely essential component of the setup because it can help ensure that the air in your grow tent has a healthy balance of moisture without unnecessarily exposing your crop to the dangers of moisture related conditions.

Where should you put a dehumidifier in grow tent?

Pay attention to get the perfect dehumidifier placement in the grow tent during installation. Where you place the dehumidifier is an influential factor when it comes to using the full efficiency or potential of the device. Where you place the dehumidifier will determine the results of the dehumidification process that happens within the grow tent.

There are several criteria that will determine where to place your dehumidifier. For example, size of the room, number of plants in the grow tent, the layout of grow tent, the amount of water used on a daily basis, airflow in the space, ventilation and air movement, climatic conditions, dehumidifiers’ and units’ capacity, type of dehumidifiers used (freestanding, whole house, ducted, suspended), standard temperature and humidity level of the area, etc.

It has been advised that depending on the airflow from the fans, you can try this when you wondering ‘Where to place dehumidifier!’ If the units in the dehumidifiers have a fan with good airflow, you can suspend the dehumidifier above the lights. This is also an answer to fit in even a powerful dehumidifier in grow rooms with limited space.

If the square feet area of the grow room you are dealing with has more space and more than one dehumidifier in it, you much pay some thought into placement. Ensure that the dehumidifiers are evenly spaced. This type of placement and space is important because the dehumidifiers (or space) will create a zone around them. If the humidity level in one zone happens to increase, the unit will have the capacity or responsibility to control or concentrate only on its own zone. Having more than one unit is also beneficial in getting the work done.

However, this might not be a cost-effective solution for all growers, hence not many would support this point of view. The next detail to remember during dehumidifier installation is the air filter in the unit.

“It is recommended that you setup the device within the room in such a way that the filter side should be facing towards the middle of the grow room.”

ECO Farm Mini small 500ml portable air conditioner dehumidifier

Features:

This ECO Farm dehumidifier has a 16 oz (500 ml) capacity water tank and can dehumidify up to 2200 square feet. It absorbs excess moisture from the air and can remove up to 11.8 oz (400 ml) of water per day. Releases dry air so you can breathe comfortably. When the water is full, the dehumidifier will automatically stop working to prevent the water from overflowing. In addition, the dehumidifier LED light will illuminate to remind customers to empty the water tank. It only works effectively above 15°C/40°F. Not only is this compact dehumidifier very energy efficient, it’s also very quiet, allowing you to run it all night without making any loud or disturbing noises.

Eva-dry Edv-1100 Electric Petite Dehumidifier

Features:

The EDV-1100 is a small electric dehumidifier with Peltier technology that runs on just 22.5 watts and is very quiet, making it ideal for nurseries, home offices, laundry rooms, boats, RVs and bedrooms. This portable dehumidifier should be used as a 1 room dehumidifier for maximum effect. The unit can work in house areas up to 1,100 cubic feet. It absorbs up to 8 ounces of water per day at 86° F and 80% R.H and has a 16-ounce removable reservoir with full indicator lights and auto shut-off.

hOmeLabs Small Space Dehumidifier with Auto Shut-Off

Features:

The hOmeLabs compact dehumidifier safely and effectively removes moisture from bathrooms, kitchens, closets, wardrobes, small garages, boats, RVs and any space up to 150 square feet. With its ultra-quiet peltier technology and 25W ETL certified adapter, this energy-efficient dehumidifier actively prevents humidity in tight spaces. Featuring a 16oz/500ml capacity water tank, this small and compact dehumidifier extracts up to 9oz/250ml of moisture per day in enclosed environments and small rooms and spaces. This dehumidifier features a low-noise thermoelectric Peltier module and an energy efficient 25W ETL certified adapter to prevent overheating and make it safer to use. Ideal for use at night with low energy consumption.

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 plants, 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 plants 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.

Conclusion

The best dehumidifier for grow tent is a crucial part to enjoy colossal growth of the plants. Humidity plays a vital role in the cultivation of crops in your grow tent.

Invest the worth dehumidifier for the flexible drawing of the moisture, allergens, mold or mildews. Choose one of the mentioned lists and make sure of the refreshing growth of your plants.

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