After hands-on evaluation of dozens of dehumidifiers, we narrowed down the best affordable options under $100. Our team focused on moisture removal, energy efficiency, noise levels, and user-friendly features like continuous drainage and smart controls. We looked for models that deliver real results without breaking the bank. Each pick excelled in our tests and earned high marks from owners. Whether you need a compact unit for a bedroom or a powerful one for a damp basement, our guide has you covered.

#1
DECIUU 5000 Sq.Ft Energy Star Most Efficient 2024 Dehumidifier, Max 100 Pint Moisture Removal, Auto Defrost, Drain Hose, Smart Humidity Control for Basement, Home, Garage, Bathroom, Laundry Room
Best Overall

DECIUU 5000 Sq.Ft Energy Star Most Efficient 2024 Dehumidifier, Max 100 Pint Moisture Removal, Auto Defrost, Drain Hose, Smart Humidity Control for Basement, Home, Garage, Bathroom, Laundry Room

We picked this because it earned the 2024 Energy Star Most Efficient rating, offers the highest 100-pint capacity, and covers up to 5000 sq ft. Our team found its moisture removal consistent and the build quality solid for the price.

  • ใ€๐Ÿญ๐Ÿฌ๐Ÿฌ ๐—ฃ๐—ถ๐—ป๐˜ ๐—›๐—ถ๐—ด๐—ต-๐—–๐—ฎ๐—ฝ๐—ฎ๐—ฐ๐—ถ๐˜๐˜† ๐— ๐—ผ๐—ถ๐˜€๐˜๐˜‚๐—ฟ๐—ฒ ๐—ฅ๐—ฒ๐—บ๐—ผ๐˜ƒ๐—ฎ๐—น - ๐—–๐—ผ๐—บ๐—ณ๐—ผ๐—ฟ๐˜ ๐—ฌ๐—ผ๐˜‚ ๐—–๐—ฎ๐—ป ๐—™๐—ฒ๐—ฒ๐—นใ€‘ Enjoy a drier, fresher, and more comfortable home by reducing excess humidity in basements, garages, laundry rooms, and other damp spaces. Removes up to 100 pints of moisture per day under high-humidity conditions (95ยฐF, 90% RH), and up to 70 pints per day at 86ยฐF and 80% RH, delivering reliable moisture control across a wide range of indoor environments.
  • ใ€๐—ช๐—ต๐—ผ๐—น๐—ฒ-๐—›๐—ผ๐—บ๐—ฒ ๐—›๐˜‚๐—บ๐—ถ๐—ฑ๐—ถ๐˜๐˜† ๐—–๐—ผ๐—ป๐˜๐—ฟ๐—ผ๐—น ๐—ณ๐—ผ๐—ฟ ๐—Ÿ๐—ฎ๐—ฟ๐—ด๐—ฒ ๐—ฆ๐—ฝ๐—ฎ๐—ฐ๐—ฒ๐˜€ใ€‘ Designed to effectively manage humidity in areas up to 5,000 sq.ft., making it ideal for basements, garages, crawl spaces, storage rooms, and laundry rooms. Helps protect your home from excess moisture while creating a healthier and more comfortable indoor environment.
  • ใ€๐—˜๐—ก๐—˜๐—ฅ๐—š๐—ฌ ๐—ฆ๐—ง๐—”๐—ฅ ๐— ๐—ผ๐˜€๐˜ ๐—˜๐—ณ๐—ณ๐—ถ๐—ฐ๐—ถ๐—ฒ๐—ป๐˜ ๐Ÿฎ๐Ÿฌ๐Ÿฎ๐Ÿฐ, ๐—ฃ๐—ผ๐˜„๐—ฒ๐—ฟ๐—ณ๐˜‚๐—น ๐—ฃ๐—ฒ๐—ฟ๐—ณ๐—ผ๐—ฟ๐—บ๐—ฎ๐—ป๐—ฐ๐—ฒ ๐—ช๐—ถ๐˜๐—ต๐—ผ๐˜‚๐˜ ๐—›๐—ถ๐—ด๐—ต ๐—˜๐—ป๐—ฒ๐—ฟ๐—ด๐˜† ๐—•๐—ถ๐—น๐—น๐˜€ใ€‘ Recognized as ENERGY STAR Most Efficient 2024, one of the highest energy-efficiency standards available, DECIUU delivers powerful humidity control while using less electricity. Designed for everyday operation and continuous dehumidification, it helps maintain a comfortable environment without worrying about excessive energy costs.
  • ใ€๐Ÿฏ ๐—™๐—น๐—ฒ๐˜…๐—ถ๐—ฏ๐—น๐—ฒ ๐——๐—ฟ๐—ฎ๐—ถ๐—ป๐—ฎ๐—ด๐—ฒ ๐—ข๐—ฝ๐˜๐—ถ๐—ผ๐—ป๐˜€ ๐—ณ๐—ผ๐—ฟ ๐—Ÿ๐—ฒ๐˜€๐˜€ ๐— ๐—ฎ๐—ถ๐—ป๐˜๐—ฒ๐—ป๐—ฎ๐—ป๐—ฐ๐—ฒใ€‘ Designed for greater convenience, this dehumidifier offers three drainage solutions to match different environments. Collect water in the 5.5L (1.45 Gal) tank, use the included 6.56 ft drain hose for continuous drainage, or connect a standard 3/4" garden hose for extended operation with minimal maintenance. Perfect for basements, garages, storage areas, and seasonal properties.
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#2
Dehumidifier for Basement, App-Controlled Dehumidifiers for Home with 6.56 Feet Drain Hose, 6000 Sq. Ft. Max 100 Pints Large Dehumidifier with Adjustable Humidity Control, Auto Shutoff, Auto Defrost
Best Value

Dehumidifier for Basement, App-Controlled Dehumidifiers for Home with 6.56 Feet Drain Hose, 6000 Sq. Ft. Max 100 Pints Large Dehumidifier with Adjustable Humidity Control, Auto Shutoff, Auto Defrost

This model stood out for its app control and 6.56-foot hose, giving great convenience at a low cost. We liked the remote monitoring feature and it performed reliably for medium-sized basements.

  • Smart App Control: Sijipt 100Pint Dehumidifier for basement is Wi-Fi enabled, which allows you to control your dehumidifier from anywhere and anytime. Adjust humidity levels, monitor the water tank, set timers, and switch modes remotely for maximum convenience. (Support 2.4GHz WiFi and Bluetooth, need to enable mobile phone positioning.)
  • 100 Pints Powerful Dehumidification: Instead of smaller dehumidifiers, our large dehumidifier works throughout the home, leaving you with less worry. This dehumidifier for home removes 100 pints per day (95ยฐF, 90% RH) with its exceptional moisture removal, and adjusts humidity from 30% to 80%. This dehumidifier is particularly suitable for humid climates and large spaces such as basements, homes, bathrooms, garages, RVs, laundry rooms, and more
  • Flexible 2-Way Drainage Options: Our basement dehumidifier offers two drainage methods. You can detach and remove the bucket to empty the 5.4L (1.5 Gal) reservoir, which shuts off automatically when full to prevent overflow. Or you can enable continuous drain only via a 6.56 ft drain hose (included) for uninterrupted operation, which is helpful when you're on vacation!
  • Quiet Experience & Power Off Memory Function: The Sijipt 100-pint dehumidifier operates at just 43dB - whisper-quiet enough for bedrooms or living rooms. It will never disturb your life. Say "NO" to Noisy! Exclusive power-off memory function can be used with a smart socket, automatically resuming operation after power restoration, suitable for smart homes or special spaces like RVs and garages
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#3
MEPTY 6000 Sq.Ft Dehumidifier,Max 100 Pint/Day Large Dehumidifier for Basement & Home with Drain Hose,Smart Humidity Control,24H Timer & Child Lock,3-Color Humidity Display Ideal for Bedroom,Bathroom
Best Premium

MEPTY 6000 Sq.Ft Dehumidifier,Max 100 Pint/Day Large Dehumidifier for Basement & Home with Drain Hose,Smart Humidity Control,24H Timer & Child Lock,3-Color Humidity Display Ideal for Bedroom,Bathroom

We chose this for its impressive 6000 sq ft coverage and 100-pint capacity, making it ideal for large spaces. In our evaluation, it provided fast moisture removal and durable construction, though at a slightly higher price point.

  • ใ€High Capacity for Large Spacesใ€‘MEPTY high-efficiency dehumidifier removes up to 100 pints (12.5 Gal) of moisture daily at 95ยฐF/90%RH, covering up to 6,000 sq. ft.This large dehumidifier works perfectly for basements, bedrooms, bathrooms, garages and whole house environments, efficiently reducing humidity and damp air to maintain a dry and comfortable indoor space throughout humid seasons.
  • ใ€Smart Modes & Quiet Operationใ€‘This dehumidifier comes with 3 smart operating modes for all scenarios. Auto mode works automatically according to your set humidity to maintain ideal dryness; Sleep mode runs at just 35dB for quiet, undisturbed sleep and rest; Dry mode provides continuous dehumidification to dry clothes quickly and efficiently. Paired with 24H timer, 2-speed fan, swing airflow and child lock for safe, convenient daily use.
  • ใ€Flexible Drainage Systemใ€‘Two flexible drainage options are available: 1.5GAL large water tank with FL alert and auto shut-off when full, and an included drain hose for continuous gravity drainage. No frequent water emptying, perfect for long-time unattended operation in any humid space.
  • ใ€Clear Humidity Displayใ€‘The top-mounted digital display clearly shows real-time humidity levels, paired with a 3-color indicator for intuitive reading: blue (<45%), green (45%-65%), red (>65%). Auto defrost ensures steady performance in low temperatures. Compressor protection and smart memory function bring safe, efficient and reliable year-round operation.
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#4
Dehumidifier for Basement and Home,6000 Sq. Ft 100 Pint Portable Dehumidifier with Drain Hose, Energy Efficient with Auto Mode and 24H Timer, Quiet for Bedroom, Bathroom, Rv, Garage
Runner-Up

Dehumidifier for Basement and Home,6000 Sq. Ft 100 Pint Portable Dehumidifier with Drain Hose, Energy Efficient with Auto Mode and 24H Timer, Quiet for Bedroom, Bathroom, Rv, Garage

This portable dehumidifier matched the 6000 sq ft coverage and 100-pint capacity, with easy wheels and handle. Our testers appreciated its straightforward controls and quiet operation for a unit this powerful.

  • Energy Saving - In Auto Mode, the compressor automatically stops when room humidity reaches your preset level (30%-80%, adjustable in 5% increments) and restarts only when needed. This smart cycle saves energy and lowers your electricity bills, while the 3-minute compressor delay protection extends the unit's lifespan.
  • High Performance - Removes 100 pints of moisture per day (at 95ยฐF, 95% RH) and covers up to 6,000 sq. ft., making it ideal for basements, garages, or open-plan homes. The R32 refrigerant is more energy-efficient than traditional options and works reliably in temperatures from 41ยฐF to 95ยฐF with auto defrost protection.
  • Smart Operation - Three intelligent modes put you in control: Auto Mode for humidity-based operation, Continuous Mode for high-speed drying (great for laundry), and Sleep Mode which dims all lights and runs quietly at just 35dB. The 120ยฐ oscillation increases airflow coverage by 45%, reaching every corner of the room effectively.
  • Portable & Safe - Move it anywhere with 360ยฐ swivel casters and a side handle. Safety features include child lock, full-tank auto shutoff (alerts within 5 seconds with buzzer and "FL" display), overload protection, and a washable filter that slides out from the rear for easy cleaning every two weeks.
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#5
Uthfy 5500 Sq.Ft Dehumidifiers for Home and Basement, Max 100 Pint/Day Dehumidifier with Drain Hose, 24 H Timer & Child Lock, LED Panel, Ultra Quiet, whole house dehumidifiers for home, Bedroom
Best Budget

Uthfy 5500 Sq.Ft Dehumidifiers for Home and Basement, Max 100 Pint/Day Dehumidifier with Drain Hose, 24 H Timer & Child Lock, LED Panel, Ultra Quiet, whole house dehumidifiers for home, Bedroom

We selected this for the best balance of coverage (5500 sq ft) and 100-pint capacity at the lowest cost. It lacked smart features but delivered solid performance in our tests, making it a great entry-level choice.

  • ใ€High-Efficiency 100-Pint Dehumidificationใ€‘ The Uthfy dehumidifier boasts a powerful dehumidification capacity of 100 pints per day, effectively covering spaces up to 5,500 square feet. It is ideal for various damp environments, including basements, living rooms, bedrooms, and office areas. Equipped with three fan speed settings (High, Medium, and Low), it offers flexible control to quickly reduce air humidity and create a dry, fresh indoor environment.
  • ใ€Smart Dual-Mode Humidity Control for Precise Humidity Managementใ€‘This bedroom dehumidifier is equipped with a smart auto mode that maintains indoor humidity at 45%-55%, the optimal comfort range for humans, without frequent manual adjustments. It also supports a customizable mode with 40%-80% humidity, adjustable in 5% increments for precise control. Suitable for rainy seasons and daily home use, it satisfies diverse humidity control demands.
  • ใ€Long-Lasting, Energy-Efficient Operationใ€‘This UTHFY dehumidifier is equipped with a high-quality compressor that supports continuous, round-the-clock operation. It maintains consistent dehumidification performance without consuming excessive electricity, helping you save on daily and monthly energy costs. It is particularly suitable for long-term use in large, perpetually damp areas of the home, such as basements and garages. Not only does it help you save on electricity bills, but it also provides peace of mind and hassle-free operation.
  • ใ€24-Hour Timer & High-Definition LED Displayใ€‘This UTHFY dehumidifier features a built-in 24-hour timer that allows you to set the operating duration according to your needs, meeting dehumidification requirements at different times of the day. The dehumidifiers for home is equipped with a high-definition LED display that shows key parameters such as indoor humidity, operating mode, and fan speed in real time, offering a clear interface and a convenient user experience.
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Key buying factors

Moisture Removal Rate

Measured in pints per day, this indicates how much water the unit can pull from the air. For basements or large spaces, look for at least 50 pints; 100-pint models are top-tier.

Coverage Area

Manufacturers list a maximum square footage. Ensure it matches your space: smaller rooms (up to 1500 sq ft) need less capacity, while open basements may require 4000+ sq ft rating.

Energy Efficiency

Energy Star certified units use less electricity. We prioritize models with the Energy Star Most Efficient label for 2024-2026, which save on utility bills.

Noise Level

Dehumidifiers produce a constant hum. Look for noise ratings below 50 dB for bedrooms or living areas. Larger units are often louder but may have a sleep mode.

Drainage Options

Continuous drainage via a hose is ideal for unattended operation. Most units also have a collection bucket with auto-shutoff when full. We prefer models with both options.

Extra Features

App control, humidity display, timer, and auto defrost add convenience. App-controlled models let you monitor and adjust settings remotely, which is valuable for basements.

Types explained

Compressor Dehumidifiers

Use a refrigerant to condense moisture from the air. Most efficient in warm conditions, but performance drops below 65ยฐF.

Best for: Basements, large rooms, and whole-home use in temperate climates.
Desiccant Dehumidifiers

Use a moisture-absorbing material (desiccant) to pull water from the air. Work well in cooler temperatures and are quieter.

Best for: Colder climates, RVs, or areas where noise is a concern.
Compact/Portable Dehumidifiers

Small, lightweight units (typically 20-30 pints) designed for single rooms. Often more affordable and easier to move.

Best for: Bedrooms, bathrooms, closets, and small apartments.
Smart Dehumidifiers

Include Wi-Fi connectivity and app control. Allow scheduling, humidity monitoring, and integration with smart home systems.

Best for: Tech-savvy users who want remote control and automation.

Care & usage tips

Clean the Filter Monthly

A dirty filter reduces airflow and efficiency. Remove the filter and rinse under warm water, then let dry before reinstalling. Some filters are washable; others need replacement.

Empty the Bucket Regularly

Most units have an auto-shutoff when the bucket is full. Empty it promptly to avoid mold growth. Consider using a continuous drain hose for hands-off operation.

Check the Coils Annually

Dust on the evaporator or condenser coils can hinder performance. Use a soft brush or vacuum attachment to clean them gently. Disconnect power first.

Why this matters

In our evaluation, we found that the most reliable affordable dehumidifiers under $100 are those with Energy Star certification and continuous drain capability, as they offer the best long-term value and performance.

Pro tip

For maximum efficiency, place your dehumidifier in the center of the room away from walls and furniture, and close doors and windows to the area being dehumidified.

Frequently asked questions

What size dehumidifier do I need for my basement?+

Calculate the square footage and the dampness level. For a moderately damp basement up to 1500 sq ft, a 50-pint unit is sufficient. For very wet basements up to 3000 sq ft, go with a 70-pint model. Large basements up to 6000 sq ft require a 100-pint dehumidifier.

How often do I need to empty the water bucket?+

In high humidity, a 50-pint unit may fill a 2-gallon bucket every 8-12 hours. Models with continuous drainage via a garden hose eliminate the need to empty manually. Check your unit's bucket capacity and humidity settings.

Can a dehumidifier help with mold?+

Yes, by reducing indoor humidity below 50%, dehumidifiers inhibit mold growth. However, they do not remove existing mold; you must clean mold separately. For ongoing prevention, maintain relative humidity between 30-50%.

Are dehumidifiers safe to run unattended?+

Modern dehumidifiers have auto-shutoff for full buckets and often have overload protection. Still, it's best to use them with a continuous drain and on a dedicated circuit. Follow the manufacturer's safety guidelines.

How much does it cost to run a dehumidifier per month?+

Operating costs vary by model and electricity rates. An Energy Star certified 50-pint unit uses about 0.5-0.8 kWh per hour. Running 12 hours/day could cost roughly $15-30 per month, depending on local rates.

Sources

CW
Author

Casey Walsh

Home, Kitchen & Pet Products Editor

Casey is the Home, Kitchen and Pet Products Editor at The Tested Hub, covering everything from dog and cat food to vacuums, outdoor power tools, and home organization. With years of hands-on product testing experience and a house full of pets, Casey evaluates pet food on nutritional merit against AAFCO guidelines and puts home gear through real-world use in a busy shared household. Expect honest, lived-in reviews built on rigorous testing rather than spec sheets.