Best Small Dehumidifier for Bathroom: Tested and Reviewed

Bathrooms are naturally damp spaces—and if left unchecked, that excess moisture can quickly turn into a breeding ground for mold, mildew, and musty odors. In this guide, we’ve reviewed the best small dehumidifiers for bathrooms so you can make an informed decision. Each pick is compact, efficient, and designed to handle steamy conditions without taking up too much space.

List of the Best Small Dehumidifier for Bathroom:

Check out the detailed reviews of the best small dehumidifier for bathroom below

1. BREEZOME Small Dehumidifier for Bathroom

The BREEZOME 60 OZ Dehumidifier is a compact yet powerful solution tailored for small to medium-sized spaces up to 350 sq. ft. Engineered with dual semiconductor condensers, it delivers up to 700ml (23.6 oz) of moisture removal per day under optimal conditions (86°F, 80% RH). This enhanced efficiency nearly doubles the performance of standard single-condenser models, making it ideal for high-humidity areas like bathrooms, RVs, closets, and kitchens.

Despite its strength, the unit maintains quiet operation, producing just 35 decibels in Sleep Mode—perfect for bedrooms and other quiet zones. It features a 1.8L (60 oz) water tank, which significantly reduces the frequency of emptying. When full, the auto shut-off function activates and a red indicator light alerts you.

Additional highlights include a 12–48 hour timer, an automatic defrost system, and 7-color night light, blending functionality with a calming ambiance. Weighing just 1.7 kg (3.75 lbs) and measuring 6.26”D x 8.62”W x 11.34”H, it’s highly portable and easy to place in tight spots.

Key Features, Pros, and Cons

Key Features:

• Dual semiconductor condensers for 2x moisture removal
• 1.8L tank with auto shut-off
• 35dB ultra-quiet sleep mode
• 7-color LED night light
• 12–48 hour timer for energy efficiency

Pros:

• Strong dehumidifying power for its size
• Quiet and sleep-friendly operation
• Large tank for less frequent emptying
• Stylish and compact design
• Low energy usage

Cons:

• No digital humidity display

2. Topzee Small Dehumidifier for Bathroom

The topzee Small Dehumidifier is engineered for versatility and quiet operation, designed to manage humidity in spaces up to 1,000 sq. ft. It features dual semiconductor condensers paired with premium copper components, allowing it to extract up to 50 ounces of moisture per day under optimal conditions (86°F, 80% RH). This makes it suitable for a variety of environments, including bathrooms, bedrooms, closets, and RVs.

Compact and efficient, the unit measures 8.6”D x 12.7”W x 6.5”H and offers a removable, front-facing tank with a leak-proof lid and spout for easy drainage. The auto shut-off and defrost function ensure safe and consistent performance, even in cooler rooms. Additionally, it includes three fan speeds—high, medium, and sleep—making it adaptable to different needs and times of day.

A brushless DC motor enables near-silent operation in sleep mode, while the 7-color LED night light adds ambiance and comfort. Though the dehumidifier is praised for its whisper-quiet performance and design, customer reviews note inconsistent moisture removal in higher humidity situations.

Key Features, Pros, and Cons

Key Features:

• Dual-semiconductor cooling with copper core
• Removes up to 50 oz/day
• Three fan speeds with sleep mode
• Auto shut-off and defrost
• 7-color LED night light

Pros:

• Quiet operation with sleep mode
• Covers up to 1,000 sq. ft.
• Compact, leak-proof design
• Easy-to-use control panel
• Stylish night light feature

Cons:

• No humidity level display

3. CLEVAST Small Dehumidifier for Bathroom

The CLEVAST Small Dehumidifier offers a compact, eco-conscious solution for managing humidity in spaces up to 270 square feet. Utilizing semiconductor condensation technology, it operates without chemical refrigerants, providing a cleaner, safer method of moisture removal. Under optimal conditions (86°F, 85% RH), it can extract up to 10 oz (295 ml) of water per day.

Weighing just 2.1 pounds and measuring 4.57″D x 6.5″W x 9.25″H, this unit is exceptionally portable. The 30 oz (0.8 L) tank is removable and features auto shut-off with a light indicator to prevent overflow. Ideal for bedrooms, closets, bathrooms, RVs, and office spaces, it includes overheat protection for added safety.

Another standout feature is its ultra-quiet operation at just 24 dB, making it suitable for use in nurseries or during sleep. It consumes less than 0.55 kWh per day, offering an energy-efficient and budget-friendly option for continuous use. Though water retention performance varies by user experience, its sleek design and ease of use make it a solid choice for light-duty dehumidifying needs.

Key Features, Pros, and Cons

Key Features:

• Removes up to 10 oz/day using semiconductor technology
• Whisper-quiet at 24 dB
• Auto shut-off with color indicator
• Compact and portable with 30 oz tank
• Overheat protection for safety

Pros:

• Energy-efficient under 0.55 kWh/day
• Easy one-button operation
• Ideal for small rooms and tight spaces
• Safe, chemical-free condensation method
• Lightweight and travel-friendly

Cons:

• Limited moisture removal capacity

4. Windangel Small Dehumidifier for Bathroom

The Windangel 44oz (1.3L) Small Dehumidifier offers a compact and efficient solution for reducing humidity in spaces up to 215 sq. ft. Designed for small rooms like bathrooms, closets, and bedrooms, this unit can remove up to 11.8 oz (349 ml) of moisture per day under optimal conditions (86°F, 80% RH). It helps maintain an ideal indoor humidity level between 45% and 55%, promoting comfort and air quality.

With 3 operating modes—Sleep, Normal, and Performance—it adjusts to suit different needs and times of day. Sleep mode ensures near-silent operation, while Performance mode boosts moisture removal during high-humidity periods. The dehumidifier consumes just 24W/hour (0.576 kWh/day), making it extremely energy efficient.

Its auto shut-off function activates when the tank reaches 32 oz (950 ml), and the auto defrost feature ensures reliable operation even in colder climates. Additional features include a 10-color mood light with adjustable brightness and 4 timer settings (24/48/72 hours or continuous run).

Key Features, Pros, and Cons

Key Features:

• Removes up to 11.8 oz/day
• Three modes: Sleep, Normal, Performance
• 10-color LED light with dimmer
• 4 timer settings: 24/48/72 hrs or continuous
• Auto shut-off and defrost

Pros:

• Compact and portable design
• Quiet sleep mode
• Energy-efficient (0.576 kWh/day)
• Versatile lighting and timer options
• Ideal for bathrooms and small rooms

Cons:

• Limited to 215 sq. ft. coverage
• No humidity display

5. DAESUNG Small Dehumidifier for Bathroom

The DAESUNG 60 OZ Dehumidifier is a compact yet efficient moisture control solution for spaces up to 500 sq. ft. Designed with a 60 oz (1.77 liters) water tank, this unit offers extended operation before needing to be emptied. It can remove up to 17.9 oz of moisture per day (±10%), based on test conditions of 86°F and 80% RH—ideal for bathrooms, bedrooms, closets, RVs, and small living areas.

This model features three modes: Sleep (quiet), Super (high-speed dehumidifying), and Auto (humidity-based control). The automatic mode turns on at >50% RH and off at <50% RH, helping maintain a healthy range of 40%–60%. The simplified touchscreen interface includes just four buttons and displays real-time humidity levels for intuitive use.

It also includes auto shut-off when the tank is full, flashing a red light as a reminder. With automatic defrost, the unit performs well even in cold environments (above 57°F). Despite its powerful performance, it consumes less than 1.5 kWh daily, and as little as 0.95 kWh in Auto mode.

Key Features, Pros, and Cons

Key Features:

• Removes up to 17.9 oz/day
• 60 oz tank with auto shut-off
• 3 modes: Sleep, Super, Auto
• Humidity display with touchscreen control
• Automatic defrost for cold weather use

Pros:

• High-capacity tank
• Quiet night operation
• Energy-efficient (≤1.5 kWh/day)
• Smart humidity-based automation
• Compact, portable design

Cons:

• No Wi-Fi or app control

6. ToLife Small Dehumidifier for Bathroom

The ToLife 30 OZ Dehumidifier offers a sleek, compact solution for controlling humidity in spaces up to 500 sq. ft. Using semiconductor condensation technology, it efficiently extracts moisture while operating quietly—ideal for bathrooms, bedrooms, RVs, and closets. With a 30 oz (800 ml) water tank, it’s capable of maintaining comfortable humidity levels without requiring constant emptying.

Designed for ease of use, this unit features just two buttons—one for power and one for the 7-color LED light control. When the tank is full, the automatic shut-off engages, accompanied by a warning sound and flashing red light to prevent overflow. This makes it safe to run even when you’re away from home.

Measuring 6.1” x 6.1” x 9.25” and weighing only 30 ounces, the ToLife dehumidifier is lightweight and highly portable. Its stylish gray exterior and soft lighting give it a modern, bedside-lamp appearance—making it blend easily with any décor. Thanks to its ultra-quiet operation, it supports uninterrupted sleep and peace throughout the night.

Key Features, Pros, and Cons

Key Features:

• 30 oz water tank with auto shut-off
• Covers rooms up to 500 sq. ft.
• Semiconductor quiet operation
• 7-color LED night light
• Simple two-button control

Pros:

• Quiet and compact
• Easy to use with safety shut-off
• Great for bathrooms and small spaces
• Adds ambient lighting
• Lightweight and portable

Cons:

• No humidity display or sensor

7. NineSky Small Dehumidifier for Bathroom

The NineSky 35oz Dehumidifier offers an efficient and quiet moisture-control solution for spaces up to 300 sq. ft. Powered by advanced semiconductor condensation technology, it removes up to 350ml (11.8 oz) of moisture per day in environments at 86°F and 90% RH. With its 35 oz (2.2 lb) tank capacity, it runs for extended periods without frequent emptying—making it ideal for bathrooms, bedrooms, basements, and RVs.

Designed for convenience, it features automatic shut-off when the tank is full or improperly positioned, preventing overflows and ensuring safety during unattended use. At just 28 dB, the unit operates whisper-quietly, which makes it a strong choice for nighttime use or workspaces. The addition of 7 ambient LED lights adds a soft glow and can be set to a preferred color or turned off entirely.

Measuring 6.1″ x 6.1″ x 9.25″ and weighing 3.2 lbs, it’s both compact and portable with a built-in ergonomic handle. The sleek design fits seamlessly into modern spaces while the removable tank and washable filter simplify maintenance.

Key Features, Pros, and Cons

Key Features:

• Removes up to 11.8 oz/day
• 35 oz tank with auto shut-off
• Quiet operation at 28 dB
• 7-color ambient LED light
• Compact, modern design with handle

Pros:

• Ultra-quiet performance
• Ideal for small spaces
• Easy to use and maintain
• Safety shut-off feature
• Stylish and portable

Cons:

• No humidity level display

8. Deyagoo Small Dehumidifier for Bathroom

The Deyagoo 50 OZ Small Dehumidifier is a compact and efficient solution for managing humidity in spaces up to 300 sq. ft. Using semiconductor condensation technology, it can remove up to 400 ml (13.5 oz) of moisture per day under optimal conditions of 86°F and 80% RH. Designed for bedrooms, bathrooms, closets, and RVs, this model helps maintain a drier, more comfortable indoor environment.

Its 50 oz (1.5 L) transparent water tank allows for easy monitoring of water levels and includes a grooved bottom for effortless removal and cleaning. The unit is equipped with auto shut-off protection, activating when the tank reaches 1300–1500 ml and signaling with a red flashing light to prevent overflow. Energy-efficient, it consumes less than 1 kWh per day, making it cost-effective for daily use.

With noise levels as low as 30 dB, it ensures minimal disruption during sleep or work. The added 7-color ambient lighting enhances its aesthetic appeal and is controlled by a separate button. Measuring just 5.91″ x 4.72″ x 9.84″, this portable dehumidifier is ideal for tight spaces without sacrificing functionality.

Key Features, Pros, and Cons

Key Features:

• Removes up to 13.5 oz/day
• 50 oz transparent tank with auto shut-off
• Quiet operation at 30 dB
• 7-color LED mood light
• Compact, portable design

Pros:

• Low energy consumption (<1 kWh/day)
• Quiet and sleep-friendly
• Large tank reduces emptying frequency
• Easy-to-use and clean
• Ideal for small rooms and RVs

Cons:

• No humidity display or sensor

9. TABYIK Small Dehumidifier for Bathroom

The TABYIK 35 OZ Small Dehumidifier offers an efficient and quiet solution for managing moisture in rooms up to 280 sq. ft. Ideal for bathrooms, bedrooms, RVs, and closets, it uses Peltier technology to extract up to 16 oz (450 ml) of water per day under optimal conditions (86°F, 80% RH). This model operates with very low energy consumption, using less than 1 kilowatt-hour per day, making it both eco-friendly and cost-efficient.

With a 35 oz (1000 ml) transparent tank, you can easily monitor water levels. It features a red flashing light and auto shut-off when the tank reaches 700–800 ml, preventing overflow for safe, unattended operation. Measuring 5.9″ x 5.9″ x 10.1″ and equipped with a built-in rear handle, this compact dehumidifier is easy to move and fits neatly into small spaces.

The unit runs at a low 28 dB, making it suitable for nighttime use, and includes a 7-color LED night light to enhance ambiance. Though performance varies among users, the device is generally praised for its portability, ease of use, and effectiveness in small, enclosed areas.

Key Features, Pros, and Cons

Key Features:

• Removes up to 16 oz/day
• 35 oz tank with auto shut-off at ~800 ml
• 7-color ambient LED light
• Ultra-quiet 28 dB operation
• Compact with built-in handle

Pros:

• Energy-efficient (<1 kWh/day)
• Quiet and sleep-friendly
• Portable and space-saving
• Easy to use and clean
• Ideal for small rooms and RVs

Cons:

• No humidity sensor or display

10. MORFY Small Dehumidifier for Bathroom

The MORFY 80 OZ Small Dehumidifier offers a high-capacity, energy-efficient solution for managing humidity in areas up to 500 sq. ft. Using dual-semiconductor condensation technology, it removes up to 27 oz (800 ml) of moisture per day under optimal conditions (86°F, 80% RH). Ideal for bathrooms, bedrooms, closets, and RVs, this unit helps maintain a healthy humidity level between 50%–65%, improving indoor air quality.

Its 80 oz (2.1 L) removable front-facing tank allows for easy monitoring and manual drainage. For added convenience, it includes a 6.56 ft drain hose for continuous draining, making it a flexible choice for long-term use. The unit features auto shut-off with a stainless steel probe for precise overflow protection and a red indicator light.

Operating at a peak noise level of just 40 dB, the MORFY dehumidifier includes both high-power and sleep modes, ensuring quiet comfort. A 7-color LED breathing light adds ambiance and doubles as a night light. With its compact design, intuitive controls, and automatic defrost function, it’s a powerful and user-friendly choice for moisture control in small to medium spaces.

Key Features, Pros, and Cons

Key Features:

• Removes up to 27 oz/day
• 80 oz tank with auto shut-off
• Includes 6.56 ft drain hose
• Two modes: high-power and sleep
• 7-color breathing LED light

Pros:

• High moisture removal capacity
• Quiet operation at 40 dB
• Continuous and manual drainage options
• Stylish lighting and compact design
• Automatic defrost for winter use

Cons:

• No digital humidity display

How to Choose the Best Small Dehumidifier for Bathroom?

I’ll walk you through exactly how to pick the best small dehumidifier for your bathroom—one that actually works, fits your space, and keeps things fresh and dry.

Why a Bathroom Dehumidifier is a Game-Changer

Before we get technical, let’s talk about why a small dehumidifier is so important for your bathroom. Bathrooms are naturally high in moisture thanks to steamy showers, poor ventilation, and enclosed spaces. That excess humidity leads to:

• Mold and mildew on your walls and ceilings
• Musty odors
• Peeling paint or wallpaper
• Damage to wood or cabinets
• Aggravated allergies and asthma

I used to think cracking the window was enough—until mold started creeping along the tile grout. Once I invested in a compact dehumidifier, the difference was night and day.

Start With the Right Size

The bathroom is one of the smallest rooms in your home, so you don’t need a massive unit. But you do need a model that’s powerful enough to pull moisture from the air effectively.

Here’s what to consider:

• Room Size: Most small bathrooms are under 100 square feet. Look for a dehumidifier rated for that space.
• Daily Moisture Capacity: A unit that extracts 8–20 oz/day is usually perfect for light use, while heavy users (think multiple showers per day) should aim for 20–30 oz/day or more.

Pro tip: Don’t get fooled by size alone. A compact dehumidifier can still be a powerhouse if it’s well-designed.

Look for Key Features (This is Where It Counts)

The best small bathroom dehumidifiers come with smart features that make life easier—and help prevent the unit from becoming just another gadget gathering dust.

Here’s what to prioritize:

• Auto Shut-Off: Prevents overflow when the tank is full. A must-have!
• Water Tank Size: The larger the tank, the less often you’ll need to empty it. Look for 16–30 oz for daily convenience.
• Quiet Operation: Bathrooms are echo chambers. Choose one with noise levels under 40 dB if you don’t want to hear it humming all day.
• Energy Efficiency: Since it may run for hours at a time, opt for an energy-efficient model to keep your electricity bills low.
• Portability: A lightweight, plug-and-play design is ideal—especially if you want to move it between rooms.

Consider Bathroom-Specific Needs

Bathrooms aren’t like bedrooms or basements. They have unique challenges—so your dehumidifier should be up to the task.

Think about:

• Splash Resistance: Even if it won’t get wet, the humid environment calls for sturdy construction. Some units are rated for bathrooms or have partial water resistance.
• No Drain Hose? No Problem: Most small dehumidifiers don’t need a drain hose—they have a built-in tank. But if you want a set-it-and-forget-it option, look for one with continuous drainage capabilities.
• Wall Mount Option: If your bathroom is tiny, a wall-mounted unit can save precious counter or floor space.

Don’t Forget Maintenance

A bathroom dehumidifier needs regular TLC to stay effective:

• Empty the tank daily or as needed
• Wipe the exterior weekly
• Clean the intake/exhaust vents every few weeks to prevent dust buildup

Frequently Asked Questions When Selecting the Best Small Dehumidifier for Bathroom

1. What size dehumidifier is best for a small bathroom?

For most small bathrooms (under 100 sq. ft.), a compact dehumidifier that extracts 8 to 20 ounces of moisture per day is usually sufficient. If your bathroom is used frequently or lacks proper ventilation, you may need a unit that removes 20–30 ounces/day. Always check the manufacturer’s recommended room size before purchasing.

2. Do small dehumidifiers actually work in bathrooms?

Yes, small dehumidifiers can be highly effective in bathrooms—if matched correctly to the space and moisture level. They help reduce humidity, prevent mold and mildew, and keep the air fresher. Choose a model specifically designed for small rooms or bathrooms to ensure optimal performance.

3. How often should I empty the water tank?

This depends on how humid your bathroom is and the tank capacity of your dehumidifier. On average, small models need to be emptied once every 1–3 days. Some units offer auto shut-off when the tank is full, so you won’t have to worry about overflow.

4. Can I leave a bathroom dehumidifier running all day?

Yes, most small dehumidifiers are designed for continuous use and have safety features like auto shut-off and low power consumption. However, it’s a good idea to monitor it during the first few uses to see how quickly the tank fills up. For energy savings, run it after showers or during peak humidity hours.

5. Are there quiet dehumidifiers suitable for bathrooms?

Absolutely! Many small dehumidifiers are designed to operate at less than 40 decibels, which is quieter than a typical bathroom fan. If noise is a concern, look for units specifically labeled “ultra-quiet” or “whisper-quiet.”

6. Do I need a drain hose for a small bathroom dehumidifier?

Most small bathroom dehumidifiers come with a built-in tank and do not require a drain hose. However, some models do offer a drainage port for continuous draining, which can be convenient if you don’t want to empty the tank manually. Just ensure your bathroom has a nearby floor drain or sink.

7. Will a small dehumidifier help with mold in my bathroom?

Yes, reducing moisture is one of the most effective ways to prevent and control mold and mildew growth. A small dehumidifier will lower the humidity levels, making your bathroom a less hospitable environment for mold to thrive.

8. Can I use the same dehumidifier for other small rooms?

Yes! Most compact dehumidifiers are portable and versatile, meaning you can move them between your bathroom, bedroom, laundry room, or even inside closets and RVs. Just ensure the unit is unplugged and safely transported between spaces.

9. How do I maintain a small bathroom dehumidifier?

Maintenance is simple. Regularly empty and rinse the tank, wipe down the exterior, and clean the air intake and exhaust vents every few weeks. If the model has a filter, follow the manufacturer’s cleaning or replacement schedule to ensure peak performance.

10. Are there energy-efficient models available?

Yes, many small dehumidifiers are made with low-energy consumption in mind. Look for models labeled “energy-saving”, or those that use Peltier technology, which operates without a compressor and consumes less power—perfect for small, enclosed spaces like bathrooms.

Conclusion

A small dehumidifier might seem like a minor addition, but it can have a major impact on your bathroom’s air quality and cleanliness. Whether you’re trying to eliminate that stubborn musty smell, stop mold before it starts, or simply breathe easier, the right unit can transform your space from damp and uncomfortable to dry and inviting.

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