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10 Best Small Bathroom Dehumidifier For High Humidity And Mold 2026 in the United States

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Our Top Picks

#1

Winner

Dehumidifier,TABYIK 35 OZ Small Dehumidifiers for Room for Home, Quiet with Auto Shut Off, Dehumidifiers for Bedroom (280 sq. ft), Bathroom, RV, Closet

Rating
10.0
Chosen by1,499
Capacity
Size and Portability
Noise Level

Most important from
15421 reviews

Capacity
Removes about 3/4 of a cup of water per day, which helps reduce condensation on windows during winter.
Size and Portability
Portable size and quiet operation make it easy to use and place anywhere.
Noise Level
The noise level is comparable to a laptop's cooling fan at full speed, resembling a white noise machine.
Filter Type and Maintenance
Easy to empty with straightforward water disposal and cleaning.

The TABYIK 35 OZ Small Dehumidifier is designed for use in small rooms, bathrooms, RVs, and closets, making it suitable for spaces up to 280 sq. ft. With a capacity to collect up to 16 oz of water per day, it performs reasonably well in high humidity conditions. Its compact size (5.9 x 5.9 x 10.1 inches) and lightweight build (2.19 pounds) make it easy to move and place anywhere.

Additionally, it features auto shut-off protection, which ensures safety by stopping operation when the water tank reaches 700-800ml full. The transparent 35 oz tank allows you to monitor water levels easily, and the groove design facilitates straightforward water disposal and cleaning. The dehumidifier operates quietly at 28dB, contributing to a peaceful environment, suitable for bedrooms and offices.

The colorful light feature adds a pleasant ambiance but might be seen as a gimmick by some users. Energy efficiency is commendable, with low consumption of less than 1-kilowatt hour per day. However, it lacks continuous drainage and advanced filtration, which might require regular manual emptying and cleaning. It's a practical choice for small spaces suffering from humidity and mold, but users looking for more advanced features might need to explore other options.

Rating
10.0
Chosen by1,499
Capacity
Size and Portability
Noise Level

Most important from
15421 reviews

Capacity
Removes about 3/4 of a cup of water per day, which helps reduce condensation on windows during winter.
Size and Portability
Portable size and quiet operation make it easy to use and place anywhere.
Noise Level
The noise level is comparable to a laptop's cooling fan at full speed, resembling a white noise machine.
Filter Type and Maintenance
Easy to empty with straightforward water disposal and cleaning.
#2

PSOS Dehumidifier, Dehumidifiers for Home, 98 OZ Water Tank, (1000 sq.ft) Quiet Dehumidifier for Basement Bathroom Bedroom with Humidity Display, Auto Shut Off, Relaxing 7 Color Ambient Light(Gray)

Rating
8.5
Capacity
Size and Portability
Noise Level

Most important from
41 reviews

Capacity
Powerful and efficient moisture removal makes it a perfect choice for managing humidity indoors.
Size and Portability
Compact and modern design fits seamlessly on desks or shelves without occupying much space.
Noise Level
Runs exceptionally quietly, even at night, ensuring it doesn't disturb sleep or relaxation.
Auto Shut-off and Continuous Drainage
Automatic shut-off when the tank is full adds a convenient safety feature that prevents spills.

This dehumidifier is a solid choice for managing high humidity and preventing mold in small spaces like bathrooms, basements, or bedrooms up to 1000 sq.ft. Its 98 oz (about 6.1 pounds) water tank is large enough to reduce frequent emptying, which is convenient. The unit uses dual-core semiconductor technology, effectively removing up to 40 oz of moisture daily, suitable for small to medium rooms. It’s compact and lightweight at just under 6 pounds, with built-in handles making it easy to move around.

Noise-wise, it runs very quietly at less than 28 decibels, quieter than a library, so it won’t disturb your sleep or relaxation. Energy efficiency is addressed well with an automatic defrost system and smart power management that adjusts based on humidity, helping save about 20% on energy use. The auto shut-off feature activates when the tank is full or if the device isn’t placed correctly, preventing spills and making it safer to leave unattended. It also offers a 7-color ambient night light, which can be locked to your preferred color—nice for bathroom or bedroom use at night.

Maintenance looks straightforward with a removable tank and an air filter, though regular cleaning will still be needed to ensure optimal performance. This unit blends quiet operation, decent moisture removal, and convenient features in a compact design, making it well suited for small bathrooms prone to humidity and mold issues.

Rating
8.5
Capacity
Size and Portability
Noise Level

Most important from
41 reviews

Capacity
Powerful and efficient moisture removal makes it a perfect choice for managing humidity indoors.
Size and Portability
Compact and modern design fits seamlessly on desks or shelves without occupying much space.
Noise Level
Runs exceptionally quietly, even at night, ensuring it doesn't disturb sleep or relaxation.
Auto Shut-off and Continuous Drainage
Automatic shut-off when the tank is full adds a convenient safety feature that prevents spills.
#3

CLEVAST Small Dehumidifier for Home, 30oz Mini Quiet Dehumidifier for Bathroom & Bedroom, Portable Compact Air Dehumidifier for Closet, RV, Camper (285 sq. ft)

Rating
7.9
Capacity
Size and Portability
Noise Level

Most important from
6 reviews

Capacity
Larger reservoir reduces frequency of emptying, adding convenience for continuous use without drainage options.
Size and Portability
Simple one-button operation and portability make it easy to move and manage in different rooms.
Noise Level
Quiet enough for use in living rooms and bedrooms, with distinct modes to reduce noise when needed.
Energy Efficiency
Energy-efficient design delivers high performance without excessive power consumption.
Auto Shut-off and Continuous Drainage
Efficiently maintains preferred humidity levels with adjustable settings that balance runtime and comfort.

The CLEVAST Small Dehumidifier is a compact and lightweight option designed for small spaces like bathrooms, bedrooms, and closets up to about 285 sq. ft. It uses semiconductor technology to quietly remove moisture without chemicals, collecting roughly 10 ounces of water per day under typical humid conditions. Its 30-ounce tank is reasonably sized for a small unit, and the built-in handle makes it easy to move around. Noise levels are very low at 24 decibels in quiet mode, making it suitable for bedrooms or nurseries without disturbing sleep. Energy consumption is efficient at just 0.55 kWh daily, which is good for regular use.

The auto shut-off feature prevents overflow by stopping operation when the tank is full, adding a safety layer and convenience when you can't check frequently. Operation is simple with just one button to switch between quiet and efficient modes, so no complicated settings are required. However, this dehumidifier has a relatively modest capacity (about 0.3 liters per day), which might not be enough for very damp bathrooms or larger rooms. It also requires manual emptying of the water tank since it doesn’t support continuous drainage.

This unit is a suitable choice if you want a portable, quiet, and energy-saving dehumidifier for small, moderately humid spaces. It may not perform as well in high-humidity or mold-heavy environments that require more powerful moisture removal.

Rating
7.9
Capacity
Size and Portability
Noise Level

Most important from
6 reviews

Capacity
Larger reservoir reduces frequency of emptying, adding convenience for continuous use without drainage options.
Size and Portability
Simple one-button operation and portability make it easy to move and manage in different rooms.
Noise Level
Quiet enough for use in living rooms and bedrooms, with distinct modes to reduce noise when needed.
Energy Efficiency
Energy-efficient design delivers high performance without excessive power consumption.
Auto Shut-off and Continuous Drainage
Efficiently maintains preferred humidity levels with adjustable settings that balance runtime and comfort.

Buying Guide for the Best Small Bathroom Dehumidifier For High Humidity And Mold

Choosing the right dehumidifier for a small bathroom with high humidity and mold issues is crucial for maintaining a healthy and comfortable environment. A dehumidifier helps to reduce moisture levels, preventing mold growth and improving air quality. When selecting a dehumidifier, consider the size of the bathroom, the level of humidity, and specific features that will best suit your needs.
CapacityCapacity refers to the amount of moisture a dehumidifier can remove from the air in a given period, usually measured in pints per day. For a small bathroom, a dehumidifier with a capacity of 20-30 pints per day is typically sufficient. If the humidity level is extremely high, you might need a higher capacity. Choosing the right capacity ensures the dehumidifier can effectively manage the moisture levels without being overworked.
Size and PortabilitySize and portability are important because a small bathroom has limited space. A compact and lightweight dehumidifier is easier to move and place in different areas of the bathroom. Look for models that are designed to fit in tight spaces and can be easily relocated if needed. This ensures that the dehumidifier can be positioned optimally to maximize its efficiency.
Noise LevelNoise level is a measure of how loud the dehumidifier is when operating. Since bathrooms are often close to living spaces, a quieter model is preferable to avoid disturbance. Dehumidifiers typically range from 30 to 60 decibels. For a small bathroom, aim for a model that operates at the lower end of this range to ensure a peaceful environment.
Energy EfficiencyEnergy efficiency indicates how much power the dehumidifier uses to operate. Look for models with an Energy Star rating, which means they meet specific energy efficiency guidelines. An energy-efficient dehumidifier will save on electricity costs and is better for the environment. This is particularly important if the dehumidifier will be running frequently to manage high humidity levels.
Auto Shut-off and Continuous DrainageAuto shut-off and continuous drainage are features that enhance convenience and safety. Auto shut-off ensures the dehumidifier turns off when the water tank is full, preventing overflow. Continuous drainage allows the dehumidifier to operate without needing to manually empty the tank, which is useful for high humidity areas. These features are particularly beneficial in a small bathroom where regular maintenance might be challenging.
Filter Type and MaintenanceFilter type and maintenance are important for ensuring the dehumidifier operates efficiently and maintains good air quality. Look for models with washable or replaceable filters that are easy to access and clean. Regular maintenance of the filter helps to keep the dehumidifier running smoothly and prevents the buildup of mold and bacteria, which is crucial in a high humidity environment.

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