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10 Best Small Bathroom Dehumidifier For High Humidity And Mold 2025 in the United States

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Our Top Picks

#1

Winner

hOmeLabs 22 Pint Wi-Fi Dehumidifier for up to 3,000 Sq Ft Rooms (MAX 56 Pint at 95°F, 90% RH) – Compact, Smart Moisture Control for Home, Bedroom, or Bathroom

Rating
9.9
Chosen by1,327
Capacity
Size and Portability
Energy Efficiency

Most important from
55460 reviews

Capacity
Effective moisture removal with no damp smells or musty odors, even in high humidity environments.
Size and Portability
Easy to set up and personalize, with parts and wheels that are simple to assemble.
Energy Efficiency
Competitively priced and operates super efficiently, even in extreme conditions.
Auto Shut-off and Continuous Drainage
Runs 24/7 without complaint, maintaining zero mold and consistent performance over several years.

The hOmeLabs 1,500 Sq. Ft. WiFi-Enabled Dehumidifier is a solid choice for those dealing with high humidity and mold in small to medium-sized bathrooms. It can remove up to 22 pints of moisture per day, making it effective for improving air quality in spaces up to 1,500 square feet. The WiFi-enabled smart functionality is a great convenience, allowing you to control the dehumidifier remotely, which is perfect for maintaining the desired humidity levels without constant manual adjustments.

This model also features a modern, portable design with built-in wheels and handles, enhancing its portability and ease of relocation within your home. Additionally, its quiet operation ensures minimal disturbance to your daily activities or sleep. On the downside, weighing 36.3 pounds, it might be slightly heavy for some users to move around. Energy efficiency is a plus, as it runs continuously with an automatic shut-off when the tank is full, or it can be set up for continuous drainage.

The washable filter adds to its ease of maintenance, though regular cleaning is necessary to ensure optimal performance. For a bathroom with high humidity and mold issues, this dehumidifier offers effective moisture removal with added conveniences such as remote control and portability.

Rating
9.9
Chosen by1,327
Capacity
Size and Portability
Energy Efficiency

Most important from
55460 reviews

Capacity
Effective moisture removal with no damp smells or musty odors, even in high humidity environments.
Size and Portability
Easy to set up and personalize, with parts and wheels that are simple to assemble.
Energy Efficiency
Competitively priced and operates super efficiently, even in extreme conditions.
Auto Shut-off and Continuous Drainage
Runs 24/7 without complaint, maintaining zero mold and consistent performance over several years.
#2

TABYIK Dehumidifiers for Home, 42oz Dehumidifier for Bathroom, Dehumidifiers for Room with Auto Shut Off, Auto Defrost Quiet Dehumidifiers for Bedroom Wardrobe Closet Trailer RV

Rating
9.8
Capacity
Size and Portability
Noise Level

Most important from
13594 reviews

Capacity
Consistently pulls moisture from the air, requiring regular but not frequent emptying of the tank.
Size and Portability
Perfect for small bathrooms, effectively removing moisture without taking up much space.
Noise Level
Operates quietly, making it unobtrusive even during overnight use.
Energy Efficiency
Energy-efficient operation that doesn’t heat up the surrounding area.

The TABYIK 42oz dehumidifier is a compact, portable option that works well for small spaces like bathrooms, bedrooms, closets, and even RVs. Its 42-ounce water tank provides decent moisture removal capacity for areas up to about 320 square feet, which suits many small bathroom setups facing humidity and mold issues. It runs quietly thanks to advanced semiconductor technology, making it unobtrusive for daily use or overnight.

The unit uses just 40 watts, so it’s energy efficient compared to larger models. A helpful auto shut-off feature stops the device when the tank is full to prevent leaks, and an indicator light reminds you to empty it. It also has an automatic defrost mode, allowing it to work reliably in cooler temperatures. Since it relies on semiconductor cooling, it performs best in rooms warmer than 68°F with at least 60% humidity, so it’s less effective in colder or drier conditions.

This model balances quiet, compact design with decent moisture removal, making it a good fit for small bathroom spaces where noise and footprint matter, although it may not suit very cold or large damp areas.

Rating
9.8
Capacity
Size and Portability
Noise Level

Most important from
13594 reviews

Capacity
Consistently pulls moisture from the air, requiring regular but not frequent emptying of the tank.
Size and Portability
Perfect for small bathrooms, effectively removing moisture without taking up much space.
Noise Level
Operates quietly, making it unobtrusive even during overnight use.
Energy Efficiency
Energy-efficient operation that doesn’t heat up the surrounding area.
#3

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
9.6
Capacity
Size and Portability
Noise Level

Most important from
13594 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
9.6
Capacity
Size and Portability
Noise Level

Most important from
13594 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.

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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