5 Best Desiccant Dehumidifiers

Measuring 10.59 x 6.85 x 17.52 inches, this is a compact unit ideal for small spaces. It’s perfect for RVs, closets, basements, boats, or attics. It has a hose for optional continuous drainage. If you don’t use the hose, the water reservoir is easy to remove when it needs to be emptied. This unit can even be used for drying carpets and upholstery after flood damage. 

The advanced control panel has a backlit display with touch buttons for effortless control of the ambient environment. It can be set to show Celsius or Fahrenheit statistics. It has an on/off switch that maintains the set humidity and conserves energy. It will automatically turn off with the safety auto-stop feature if the water tank starts to overflow or if the unit gets tilted. The automatic restart turns the unit on after a power outage. 

Moreover, humidity can be adjusted in five percent increments from 35 – 85 percent and it can be set for continuous running. You can alternate the fan speed, heat options, and it has a sleep mode for less sound. You can set the automatic operation within one to 12 hours. The filter is easy to remove and is washable. It weighs 13.96 pounds.

• Purifier Technology: Highly efficient desiccant rotor technology
• Room Size Suitability: 270 sq. ft.
• Capacity: 13 Pints
• Noise Level: Whisper-quiet operation
• Monthly Energy Consumption: $8.00-13.00

This dehumidifier has four modes to cover different areas: medium, minimum, normal, and laundry with low, medium, and high fan speeds. The maximum mode will run the unit until the relative humidity reaches 40 percent humidity. The normal mode reaches 50 percent and the minimum mode reaches 60 percent. The laundry mode reaches 35 percent humidity to dry hanging clothes. 

This dehumidifier removes about 14.37 pints of moisture every day and has a 4.22-pint water collection tank. In a high humidity environment, the water tank may need to be emptied more than once a day. One advantage of buying desiccant dehumidifiers is that they can work in all temperatures as low as 32 degrees F. This model is especially useful in unheated spaces like garages and crawl spaces. It will remove the musty odor in damp rooms such as cabins that are only used seasonally. 

This unit is very efficient and will remove more humidity from an average size room in less time than a larger compressor-type humidifier. This makes it very suitable for boats and places where there is plenty of rain. The dimensions are 7.4 x 13.8 x 19.7 inches and the weight is 14.1 pounds. It is suitable for a bathroom, basement, laundry room, boat, or RV.

• Purifier Technology: Consistent performance in all temperatures without a compressor or condenser and no refrigerant
• Room Size Suitability: 200 sq. ft.
• Capacity: 14 Pints
• Noise Level: 38 dBA
• Monthly Energy Consumption: $9.00-18.00

You will also be interested in what we think is the best dehumidifier for low temperatures.

The dehumidifier has an automatic full-tank alert when the 6.34-pint reservoir is full and is equipped with an anti-spill cover. It also comes with a hose for continuous draining from the low-level tank. The size is 36 x 20 x 55 inches and it weighs 17 pounds. One of the unique features of this model is the onboard ionizer. Many domestic dehumidifiers have ionizers, but they are only effective in a small 3-foot radius and only filter dust. 

The Zambezi ionizer has an effective range of more than 32 feet and destroys dust, bacteria, viruses, mold, germs, and odors. It’s a good option for a boat, garage, RV, or cabin where there are dampness and mold issues. This dehumidifier indicates when the humidity is high, and you need to turn the unit on. This saves on energy usage when the unit is not required. 

The Meaco Zambezi dehumidifier also features a daily run timer that you can set which will run when you choose and for the duration of your choice. Another fantastic feature is the motorized rotating air deflector which directs the dry air wherever you decide. The continuous drainage system includes several safety features and will turn off the unit if it starts to overflow. You can control all of the above features with the digital display.

• Purifier Technology: Zeolite desiccant technology
• Room Size Suitability: 200 sq. ft.
• Capacity: 16.9 Pints
• Noise Level: 39dB
• Monthly Energy Consumption: $18.00

This lightweight but powerful desiccant dehumidifier is best suited for colder seasons. It has adjustable humidity control, a user-friendly LCD with a digital interface where you power the unit on and off and adjust the humidity, fan speed controls, a sleep mode, vent swing, and LCD screen brightness. The multiple drainage options include a 1/2-gallon water capacity and includes a hose for continuous drainage. 

The desiccant rotor is revolutionary and specially designed for semi-outdoor spaces. It will dehumidify rooms with a temperature as low as 33 degrees F and as high as 104 degrees F. During the winter with temperatures at 41-degrees F, it will remove 19 pints of water per day. A dehumidifier with a compressor will only remove about 2.9 pints per day and will also be loud and clunky. 

The warm air emitted by the device will help heat the room and dry hanging clothes, and it is anti-bacterial and anti-odor. It has an automatic shutoff feature if the unit becomes tilted or the water tank overflows. The filtration system is very effective against dust, fibers, dander, hair, and airborne spores such as mold and mildew. The Ivation 19 measures 19.5 inches high and weighs 15.45 pounds.

• Purifier Technology: Highly efficient desiccant rotor removes moisture mold and odors.
• Room Size Suitability: 250 sq. ft.
• Capacity: 19 Pints
• Noise Level: Nearly silent while running
• Monthly Energy Consumption: $7.00

The ECOR PRO 30 is a portable, commercial-grade desiccant dehumidifier that does not condense moisture. Designed with all-metal construction without a compressor, refrigerant, tank, or pump, this unit vents the moisture as wet air similar to a tumble dryer. This circumvents the common issue of water leakage across the floor from an overflowing water tank. It needs to be mounted with outside access to the exhaust vent. 

The vent pipes are standard size, but they can be adjusted to duct vents. The unit removes up to 30 pints of moisture per day from a 500 sq. ft. room without using any toxic refrigerants. This is a wonderful unit for rental owners who may have unoccupied rooms during off-season times, which may develop a musty odor. 

This small but tough dehumidifier will clean up odors in no time. It’s also useful for commercial freezers and public bathrooms in restaurants or offices. The dimensions are 7.87 inches square, and the weight is 6.6 pounds. Because it’s lightweight and small, one person can easily move it around the house from room to room as long as there is a place for outside ventilation.

• Purifier Technology: The dry filtered air is discharged directly through a dry air outlet
• Room Size Suitability: Less than 500 sq. ft.
• Capacity: 30 Pints
• Noise Level: Very quiet 49dB at three feet
• Monthly Energy Consumption: $11.00

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