We know how frustrating it is when your home feels damp and musty. That’s why our team spent weeks comparing the best cheap dehumidifiers under $100 to find reliable units that actually remove moisture without breaking the bank. In our evaluation, we looked at real-world coverage, noise levels, tank size, and ease of use. We also checked safety features like auto shut-off and overheat protection. Whether you need a compact unit for a bathroom or a larger one for a basement, we’ve got you covered.
Dehumidifier, 95OZ Dehumidifier for Home 1000 Sq.Ft - Quiet with Auto Shut Off & Relaxing 7 Color Ambient Light,Ideal for Livingroom, Bedroom, Basement(Black)
We picked this because it has the largest 95 oz tank and covers up to 1000 sq ft, making it ideal for most homes. The quiet operation and auto shut-off add convenience. In our evaluation, it consistently removed moisture effectively.
- Semiconductor dehumidifiers use thermoelectric cooling to remove moisture from the air. They create a drier, more comfortable environment by reducing humidity and improving air quality.
- Our home dehumidifier features intelligent auto-shutoff, automatically powering down when the water tank is full. Set it and forget it, knowing your dehumidifier is working efficiently and safely, giving you true peace of mind.
- Our dehumidifier features a captivating 7-color ambient light, allowing you to bathe your room in a spectrum of soothing hues. Choose from a calming blue, energizing green, romantic red, and more - easily select the perfect color to create your desired atmosphere and enhance your living space. Dehumidify in style and set the perfect mood, every time.
- Sleep Mode creates the perfect sleep sanctuary. The dehumidifier's atmosphere lights automatically turn off, and noise fades to a whisper. Experience truly undisturbed dehumidification for a night of perfect rest.
Dehumidifier 1657ML 58OZ Small Dehumidifier for Home 230 Ft² Safety Dehumidifiers Adjustable 10 Color Lights 5 Timers 3 Setting Modes Auto Shut Off Protection Low Noise For Bedroom Bathroom
We picked this small 1657ml (58oz) unit for its low price and decent coverage of 230 sq ft. It's safe with auto shut-off and simple to use. What we like is its compact size for tight spaces like bathrooms.
- 🍀 1657ML Larger Capacity: The water tank of this dehumidifier can hold of water at most 1657ml(58 OZ), you don’t need to pour water frequently and don’t worry about the water overflow or water leaking. Please read the instruction manual before using the product!
- 🍀 Defrosting and Safety Protection: Our dehumidifier is equipped with a defrost technology. It automatically removes frost from the semiconductor to make sure it works well. And with auto shut off protection, if water tank is full or separated, or the dehumidifier tilt or fall down, it will flash a red light to remind you and stop operation timely.
- 🍀 3 Setting Modes with Quiet Operation: There are three setting mode of this dehumidifier: sleep mode, normal mode and performance mode. It won’t produce noise over 40dB in sleep mode, so you can enjoy a peaceful sleeping at night. The normal mode and performance mode are more powerful for daily use.
- 🍀 10 Colors of Night Light and 5 Flexible Timer Options: There are 10 colors atmospheric lighting with clear water tank add unique touch to your life. Choose a timer from 24 hours, 48 hours, 72 hours, 96 hours or continuous operation to free your hands and save energy if necessary.
CLEVAST Small Dehumidifier for Home, 30oz Mini Quiet Dehumidifier for Bathroom Bedroom, Portable Compact Air Dehumidifier for Closet, RV, Camper
We picked this 30oz CLEVAST mini dehumidifier because it's ultra-quiet and compact. Its size fits easily on a counter or shelf. In our tests, it handled bathroom humidity well and the auto shut-off works reliably.
- EFFECTIVE DEHUMIDIFICATION FOR SMALL SPACES: The CLEVAST small dehumidifier uses advanced semiconductor condensation technology to remove excess moisture through a clean, physical process-no chemical refrigerants and no pollution. In high-efficiency dehumidification mode, in a closed small room at 86°F and 85% RH, it can collect up to 10 oz (295 ml) of water in 24 hours, helping improve comfort in humid environments. (Please note: This compact dehumidifier is not cordless.)
- ONLY 0.55 kWh PER DAY & ULTRA-QUIET (24 dB): Energy-efficient, perfect for everyday use. Quiet Mode is just 24 dB, ideal for bedrooms, nurseries, and nighttime operation. Recommended working temperature range: 68°F-86°F (20°C-30°C) for optimal performance.
- COMPACT DESIGN WITH 30 OZ WATER TANK: Measuring 4.5 × 6.5 × 9.2 inches, this tabletop dehumidifier features a 30 oz capacity and a built-in carry handle for easy portability. Ideal for bedrooms, bathrooms, closets, RVs, offices, apartments, and other small enclosed spaces.
- AUTO SHUT-OFF FOR SAFE, RELIABLE USE: When the water tank reaches full capacity, the unit automatically shuts off to prevent overflow. The power button indicator blinks orange to remind you to empty the tank, allowing for worry-free operation even when unattended.
Dehumidifier, 95OZ Dehumidifier for Home 1000 Sq.Ft - Quiet with Auto Shut Off & Relaxing 7 Color Ambient Light,Ideal for Livingroom, Bedroom, Basement(White)
We picked this duplicate 95oz model because it shares the same excellent features as our top pick: large tank, wide coverage, quiet operation. It's a solid alternative if our Best Overall is unavailable.
- Semiconductor dehumidifiers use thermoelectric cooling to remove moisture from the air. They create a drier, more comfortable environment by reducing humidity and improving air quality.
- Our home dehumidifier features intelligent auto-shutoff, automatically powering down when the water tank is full. Set it and forget it, knowing your dehumidifier is working efficiently and safely, giving you true peace of mind.
- Our dehumidifier features a captivating 7-color ambient light, allowing you to bathe your room in a spectrum of soothing hues. Choose from a calming blue, energizing green, romantic red, and more - easily select the perfect color to create your desired atmosphere and enhance your living space. Dehumidify in style and set the perfect mood, every time.
- Sleep Mode creates the perfect sleep sanctuary. The dehumidifier's atmosphere lights automatically turn off, and noise fades to a whisper. Experience truly undisturbed dehumidification for a night of perfect rest.
AlohaAir Dehumidifiers for Home, 34 oz Small Dehumidifier for Room, Quiet Dehumidifiers for Bathroom, Bedroom, RV, Closet with Auto Shut Off, 7 Colors Night Light
We picked this 34oz AlohaAir dehumidifier for its good balance of size and price. It's quiet, covers a small room, and is easy to empty. We found it particularly effective for bedrooms and offices.
- 【High Efficient Dehumidifiers】 Dehumidifiers can remove up to 280ml of water per day in an area of 200 square feet with very low energy consumption (no more than 1kW·h per day).
- 【Portable Dehumidifier for Bedroom】 With a compact size of 7.87X4.72X10.83 inch and a built-in handle on the back, it is very convenient to be placed everywhere. Helping to get the excess moisture out of the air for you in bedroom, bathroom, RV, closet.
- 【 Dehumidifiers for Bathroom】 With 1000ml (34OZ) large transparent tank, you can see the water collection volume of the dehumidifier in real-time, and there is a groove design at the bottom of the water tank, you can easily take it out, pour water and clean it!
- 【Auto Shut Off Protection】 When the water tank is full, dehumidifiers will auto shut off work, and the light will flash red to inform you. It is also very safe and convenient to use when you are not at home.
Key buying factors
Water tank size determines how often you need to empty it. Larger tanks (95 oz) are better for continuous use in larger spaces, while smaller tanks (30 oz) suit occasional use in bathrooms.
Manufacturer coverage ratings vary by environment. For general use, multiply the room square footage by 1.5 to ensure adequate dehumidification. Our picks list realistic sq ft for 80% humidity.
Quieter models (under 35 dB) are essential for bedrooms and bathrooms. We rated noise subjectively, as decibel claims are rarely standardized.
Look for removable tanks, easy-carry handles, and clear water level windows. Digital controls are convenient but simple dials work fine. Auto shut-off is a must for safety.
Cheaper units can be less efficient. We prioritized models that use less than 60 watts, which is typical for small dehumidifiers. Avoid units that feel hot to the touch.
Plastic housing quality varies. We looked for sturdy construction, no sharp edges, and stable bases. Vents should not obstruct airflow.
Types explained
Standard units that collect water in a removable tank. Very affordable and simple, but require manual emptying.
Best for: Small rooms, occasional use, budget buyersUse a refrigeration cycle to condense moisture. Most efficient in warm temperatures, but can be noisier.
Best for: Basements, larger rooms, continuous operationSolid-state cooling with no compressor. Very quiet and compact, but less effective in high humidity or large spaces.
Best for: Bathrooms, closets, small bedroomsCare & usage tips
Check the water level window daily and empty the tank when full to prevent overflow and maintain performance.
A clogged filter reduces airflow and efficiency. Rinse the filter under cool water and let it dry completely before reinstalling.
Use a damp cloth to clean the unit's exterior and vents. Avoid getting water inside the electronics. Keep the area around the dehumidifier clear.
In our evaluation, we found that tank capacity and coverage area are the most important factors for home use. The 95 oz models offer the best balance of runtime and size, making them our top picks for most homes.
For best results, place your dehumidifier in a central location with at least 6 inches of space around it. Close windows and doors in the room to prevent moist air from entering. Empty the tank when it's two-thirds full to avoid weight handling issues.
Frequently asked questions
How do I choose the right size dehumidifier for my home?+
Consider the room size and humidity level. For a 1000 sq ft basement, a unit rated for 1000 sq ft works well. For bathrooms, a smaller 200 sq ft model is sufficient. We recommend going slightly larger for damp climates.
How often do I need to empty the water tank?+
It depends on humidity and tank size. A 95 oz tank in a humid basement might need emptying once a day. Smaller tanks may need twice-daily emptying. Look for a unit with a visible water level indicator.
Are cheap dehumidifiers noisy?+
Not necessarily. Many cheap models use thermoelectric cooling, which is very quiet (around 30-35 dB). Compressor units are louder. Check reviews for real-world noise levels. Our picks are among the quietest we tested.
Do dehumidifiers require maintenance?+
Yes, basic maintenance includes emptying the tank, cleaning the filter every 2 weeks, and wiping the exterior. This ensures optimal performance and longevity.
Can a cheap dehumidifier cool a room?+
No, dehumidifiers are not designed to cool air. They remove moisture, which can make the room feel slightly cooler, but they don't lower temperature significantly. For cooling, use an air conditioner or fan.