Best Bathroom Dehumidifiers for Moisture Control
As an Amazon Associate, I earn from qualifying purchases. Some links may earn us a commission at no extra cost to you.
A bathroom dehumidifier should remove moisture quickly after showers without taking over the room. The best choice depends on the bathroom size, how often the shower is used, whether humidity spreads into nearby rooms, and whether you can use continuous drainage. For daily showers, a compressor dehumidifier with a humidistat is usually more effective than a tiny moisture absorber. For small bathrooms or occasional humidity, a compact unit can still help if expectations are realistic.
1. Midea Cube 20-Pint Dehumidifier
The Midea Cube 20-Pint is the best overall pick for bathrooms with steady moisture problems. Its 20-pint capacity is strong enough for regular shower humidity, and the cube-style design gives it a more flexible setup than many standard floor units. It also supports bucket use or continuous drainage, which is useful if the bathroom stays damp for hours after use.
- 1,500 Sq.Ft. OF COVERAGE - Midea dehumidifier with drain hose is able to collect 20 pint (Similar to 30 PT-2012 DOE) of water a day and adjust humidity from 35% to 85%, perfect for use for basement, bathroom, bedroom, or crawlspace.
- SMALLER FORM, LARGER CAPACITY - Up to 3X larger water tank allows the Midea Cube dehumidifier to operate up to 3X longer than a conventional dehumidifier. You can enjoy more time without the hassle of emptying the water tank. Removable Bucket with 3.2 Gallons/12L bucket size.
- DEHUMIDIFIER WITH DRAIN HOSE allows CONTINUOUS DRAIN OPTION - Versatile, no-bucket option provides more flexibility to remove moisture. You can remove the water tank and place the unit above the sink using the included drain hose, or position it over a floor drain, near a window or door.
Pros
- 20-pint capacity works well for persistent bathroom humidity
- Adjustable humidity control helps avoid constant running
- Bucket or continuous-drain setup gives more flexibility
Cons
- Larger than mini bathroom dehumidifiers
- No built-in pump for uphill drainage
Who should buy it: Choose this if you want the best all-around dehumidifier for a shower-heavy bathroom or a bathroom connected to a damp bedroom or closet.
2. hOmeLabs 8-Pint Wi-Fi Dehumidifier
The hOmeLabs 8-Pint Wi-Fi Dehumidifier is the best compact compressor-style pick. It is smaller than many 20- to 50-pint floor units but still more capable than most tiny thermoelectric units. It is a good fit for bathrooms where you want real humidity control but do not have room for a large machine.
- Compact Moisture Control – This dehumidifier removes up to 8 pints per day, keeping spaces up to 1,800 sq ft comfortably dry.
- Space-Saving & Ultra-Quiet – Designed for small spaces, this 38dB whisper-quiet dehumidifier keeps humidity under control without disruption, ideal for bedrooms, nurseries, and home offices.
- Hassle-Free Drainage – Includes a 3.3ft drain hose for continuous drainage, so you never have to empty the tank manually. Perfect for long-term use in basements, laundry rooms, and storage areas.
Pros
- Compact footprint works better in smaller bathrooms
- Wi-Fi control adds convenience
- Continuous drainage support helps reduce emptying
Cons
- Lower capacity than larger compressor models
- Small bucket may need frequent emptying
Who should buy it: Choose this if you want a compact bathroom dehumidifier with better moisture removal than a basic mini unit.
3. Frigidaire 22-Pint Portable Dehumidifier
The Frigidaire 22-Pint Portable Dehumidifier is the best smart bathroom option. It has enough capacity for small to medium rooms, custom humidity control, Wi-Fi features, auto shutoff, and Energy Star certification. It is especially useful if bathroom humidity spreads into a nearby bedroom, closet, or hallway.
- Wi-Fi Enabled: Effortlessly control your dehumidifier from anywhere with the Frigidaire app or connect it to your Amazon Alexa or Google Home devices for smart, hands-free humidity management
- Energy-Efficient Performance: This Energy Star-certified dehumidifier uses less energy to deliver powerful humidity control, helping you reduce energy usage and lower your utility bills
- Convenient Drainage Options: Choose between two hassle-free water drainage methods – use the easy-carry water bucket for quick manual removal or the continuous drain option to skip emptying the bucket
Pros
- 22-pint capacity is strong for bathroom moisture control
- Wi-Fi controls make monitoring easier
- Energy Star certification is useful for regular use
Cons
- Takes more floor space than compact units
- More machine than a small half-bath needs
Who should buy it: Choose this if you want a smart, full-size dehumidifier for a bathroom or nearby damp area.
4. KNKA 34-Pint Dehumidifier
The KNKA 34-Pint Dehumidifier is the best replacement for heavier bathroom moisture. It is listed for larger rooms and includes a drain hose, intelligent humidity control, three modes, and a 24-hour timer. That makes it a good option for bathrooms with poor ventilation, repeated showers, or moisture that lingers long after the fan turns off.
- 2500 Sq. Ft High-Efficiency Dehumidifier – The KNKA basement dehumidifier features a quiet, high-performance compressor that removes up to 34 pints of moisture per day (at 95°F, 90% RH). Ideal for basements, offices, bathrooms, bedrooms, kitchens, stockrooms, living rooms, laundry rooms, garages, crawlspaces, or RVs. It helps maintain optimal humidity between 50%–70% for healthier, more comfortable living
- 3 Smart Modes for Custom Comfort — Our smart dehumidifiers for a home have DEHU, DRY, and CONT modes. Choose from DEHU (adjusts humidity from 30%–80% with fan control), DRY (quick clothes drying), or CONT (nonstop operation for extremely damp areas). Tip: For the best results, keep windows and doors closed while the dehumidifier is in use
- 3 Drainage Options — Use the built-in 0.79 gal tank, connect the included 3.28 ft (1 m) drain hose for continuous drainage, or upgrade with the optional 2.64 gal external water tank (sold separately) for longer operation between emptying. Both internal and external tanks feature auto shut-off and full-tank alerts to help prevent overflow and ensure worry-free use. Use genuine KNKA external tank (search B0GSFWHNBL on Amazon)
Pros
- 34-pint listed capacity gives more drying power than compact units
- Drain hose support helps with longer operation
- Humidity control and timer make daily use easier
Cons
- Bigger than most bathrooms need for light moisture
- May be too much for a small powder room
Who should buy it: Choose this if your bathroom stays damp after showers or if moisture reaches nearby rooms.
5. DREO Energy Star Smart Dehumidifier
The DREO Energy Star Smart Dehumidifier is the best quiet smart pick for bathrooms and nearby rooms. It has a large tank, drain hose, auto humidity control, three fan speeds, and a listed quiet 41dB operation. It is a good fit for people who want a more modern dehumidifier for a bathroom, bedroom, or shared damp area.
- 𝐏𝐨𝐰𝐞𝐫𝐟𝐮𝐥 𝟕𝟑-𝐏𝐢𝐧𝐭 𝐃𝐞𝐡𝐮𝐦𝐢𝐝𝐢𝐟𝐢𝐞𝐫 – 𝐅𝐚𝐬𝐭 𝐌𝐨𝐢𝐬𝐭𝐮𝐫𝐞 𝐑𝐞𝐦𝐨𝐯𝐚𝐥: Removes up to 73-pint(95℉, RH90%) of moisture per day with high-efficiency performance. Ideal for basements, bedrooms, bathrooms, garages, large rooms, and whole-home use, helping keep your space dry, fresh, and comfortable.
- 𝐄𝐍𝐄𝐑𝐆𝐘 𝐒𝐓𝐀𝐑 𝟐𝟎𝟐𝟓 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 – 𝐒𝐚𝐯𝐞 𝐄𝐧𝐞𝐫𝐠𝐲 & 𝐋𝐨𝐰𝐞𝐫 𝐁𝐢𝐥𝐥𝐬: Uses 30% less energy than standard DOE models, helping you save up to $292 annually on electricity while maintaining strong dehumidifying power for a healthier, more comfortable home.
- 𝟒𝟏𝐝𝐁 𝐔𝐥𝐭𝐫𝐚-𝐐𝐮𝐢𝐞𝐭 𝐎𝐩𝐞𝐫𝐚𝐭𝐢𝐨𝐧 – 𝐏𝐞𝐚𝐜𝐞𝐟𝐮𝐥 𝐂𝐨𝐦𝐟𝐨𝐫𝐭 𝐃𝐚𝐲 & 𝐍𝐢𝐠𝐡𝐭: Runs at just 41dB to provide quiet, uninterrupted humidity in bedrooms, offices, nurseries, and living spaces. A soft humidity indicator light, child lock, and timer add convenience and help create a comfortable environment for sleeping, working, and relaxing.
Pros
- Smart controls and auto humidity management
- Large tank with drain hose included
- Quiet operation is useful near bedrooms
Cons
- Larger than a countertop bathroom unit
- Costs more than basic mini dehumidifiers
Who should buy it: Choose this if you want a quieter smart dehumidifier for a bathroom near a bedroom or living area.
6. NineSky 95-Ounce Dehumidifier
The NineSky 95-Ounce Dehumidifier is the best small bathroom option for light moisture control. It has a compact design, auto shutoff, and a large tank for its size. It will not match a compressor dehumidifier after long hot showers, but it can help in small bathrooms, closets, RV bathrooms, and spaces with mild dampness.
- Smart Auto Shut-Off Dehumidifier – Automatically shuts off when the tank is full or improperly positioned, preventing leaks and damage. A safer, worry-free dehumidifiers for home use—even when you're away.
- Upgraded Semiconductor Dehumidification – Enhanced technology ensures efficient moisture removal with low-noise operation. Maintains stable humidity levels, covering up to 1,000 sq. ft.
- This dehumidifier offers a high-speed mode for fast moisture removal and a night mode with lights-off operation, making it perfect as a bedroom dehumidifier for quiet, comfortable sleep.
Pros
- Compact size is easy to place in small bathrooms
- Auto shutoff helps prevent overflow
- Lower price than full-size compressor units
Cons
- Not powerful enough for heavy shower humidity
- Works best in small, enclosed spaces
Who should buy it: Choose this if you need a small, simple dehumidifier for mild bathroom moisture, not severe condensation.
Quick Comparison
- Midea Cube 20-Pint: best overall bathroom dehumidifier.
- hOmeLabs 8-Pint Wi-Fi Dehumidifier: best compact compressor model.
- Frigidaire 22-Pint Portable Dehumidifier: best smart full-size option.
- KNKA 34-Pint Dehumidifier: best for heavier bathroom moisture.
- DREO Energy Star Smart Dehumidifier: best quiet smart pick.
- NineSky 95-Ounce Dehumidifier: best small bathroom option.
Buying Guide
Choose capacity based on shower use
A small bathroom used occasionally may only need a compact unit. A bathroom with daily showers, poor ventilation, or moisture that spreads into nearby rooms usually needs a stronger compressor dehumidifier.
Look for a humidistat
A humidistat lets the unit cycle based on the room’s humidity level instead of running nonstop. This is especially helpful in bathrooms where humidity rises quickly after showers and then drops later.
Use continuous drainage when possible
A drain hose can save you from emptying the bucket every day. Gravity drainage only works when the drain point is lower than the dehumidifier outlet, so check the placement before relying on it.
Do not replace ventilation
A dehumidifier helps remove lingering moisture, but it should not replace a working bathroom fan. Use the exhaust fan during and after showers when possible.
Keep it away from water
Place the dehumidifier on a dry, stable surface away from the tub, shower, and splash zones. Follow the manufacturer’s instructions and use a properly protected bathroom outlet.
FAQs
What is the best dehumidifier for a bathroom?
The Midea Cube 20-Pint is the best overall pick because it has enough capacity for regular shower moisture while still offering flexible bucket or drain-hose use.
What size dehumidifier does a bathroom need?
For light moisture, a compact unit may be enough. For daily showers or lingering humidity, look at compressor models in the 8- to 34-pint range or higher if the damp area extends beyond the bathroom.
Can I run a dehumidifier while showering?
Only use it according to the manufacturer’s instructions and keep it away from water and splash zones. Many people run the unit after showering instead, once the bathroom floor and surfaces are dry enough for safe operation.
Where should I place a bathroom dehumidifier?
Place it on a dry, level surface with clear airflow around the intake and outlet. A spot near the bathroom doorway can sometimes be safer than placing it close to the shower.
Will a dehumidifier prevent bathroom mold?
It can reduce excess humidity that contributes to mold, but it will not fix leaks, poor ventilation, wet walls, or existing mold. Persistent moisture should be traced to the source.
Final Verdict
The Midea Cube 20-Pint is the best overall bathroom dehumidifier for most homes because it balances strong moisture removal, automatic control, and flexible drainage. Choose the hOmeLabs 8-Pint if you need a smaller compressor model, the Frigidaire 22-Pint if you want smart controls, or the KNKA 34-Pint for heavier bathroom moisture. The DREO is the best quiet smart option, while the NineSky is best for mild moisture in small bathrooms.
As an Amazon Associate, I earn from qualifying purchases.