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The 7 Best Dehumidifiers for Basements of 2024, According to Testing

Prevent mold and mildew with our top picks.

Side-view of the Amazon Basics 35 Pint Dehumidifier displayed on wooden flooring

Better Homes & Gardens / Elena Garcia

Excess humidity can cause big problems in your home, including health concerns like allergens, mold, and mildew, and, if left untreated, structural issues in your floors and walls. 

“Ideally a home should be kept at 40–60% relative humidity to limit damage from moisture,” says David Ragsdale, Servpro production manager. If the air feels muggy when you go down to your basement, it’s probably time to invest in a dehumidifier.

The best dehumidifiers for basements “should be easy to use with user-friendly controls, auto restart ability, and timer controls,” says Lane Dixon, vice president of operations at Aire Serv, a Neighborly company. These safety features are especially important for devices in your basement, as you may not be near the dehumidifier at all times to catch a malfunction.

To find the best dehumidifiers for basements, we tested 17 popular models in our own homes. We evaluated how effective each unit was with an external hygrometer—a device to test humidity levels—before and after running the device on different settings in multiple locations throughout our homes. We also considered the dehumidifiers’ features, such as tank size, capacity, coverage area, and drain hose, during the testing process.

Best Overall

Midea 50-Pint Cube Dehumidifier

Amazon Midea MAD50S1QWT 50-Pint Cube Dehumidifier

Amazon

Our Ratings
  • Setup
    5/5
  • Features
    5/5
  • Design
    4.5/5
  • Effectiveness
    5/5
  • Value
    5/5
Why You Should Get It
  • Its 4,500 square foot coverage area is more than enough for most basements.

Keep in Mind
  • The included drainage hose is fairly short.

When searching for the best dehumidifier for your basement, coverage area and tank size are some of the most important factors to consider, especially if you don’t want to check on the unit every day. This pick from Midea is a true set-it-and-forget-it device that can remove up to 50 pints of water from the air per day with a coverage area of up to 4,500 square feet. The 34-pint collection tank is the largest of all the dehumidifiers we tested, but you can also choose to drain the unit continuously into a drain through the included drainage hose.

Assembling the unit was simple and only took us five minutes to complete thanks to its clear instructions. While some settings weren’t intuitive, like holding two buttons to turn on the continuous mode, there were stickers directly on the unit to help us through the setup. 

Once the unit was running, we could hold conversations and watch TV without any major distractions, a nice touch for those with living areas in their basement. There’s a small window to easily view how much water the humidifier has collected, and the unit will alert you when it’s time to empty the tank. If you don’t spend much time in your basement, you can also connect the humidifier to your WiFi to monitor the dehumidifier through your smartphone.

We didn’t have any troubles accessing the filter, which slides into a slot in the side of the unit. And after three months of using the unit continuously, we only needed to clean the filter once. We did notice some mildew buildup in the bucket, but we were able to wipe it off.

Despite its large size, we didn’t have any trouble emptying the tank. If you’d prefer that the dehumidifier continuously drain, the unit comes with a hose. However, we found it to be fairly short and chose to attach our garden hose instead. And while the unit can slide into the collection tank, you can’t nestle the two while the drainage tube is in, which we found defeated the purpose of saving space, as we needed a separate spot to store the tank. 

We chose to use the drainage hose during our long-term testing and didn’t experience any problems over the three-month testing period.

Product Details: Tank Size: 34 pints | Capacity: 50 pints per day | Coverage Area: 4,500 square feet | Drainage Style: Collection tank and drainage hose | Dimensions: 14.45 x 14.76 x 14.57 inches | Weight: 42 pounds

Best Budget

Amazon Basics Dehumidifier

Amazon Basics Dehumidifier

Amazon

Our Ratings
  • Setup
    5/5
  • Features
    5/5
  • Design
    3.5/5
  • Effectiveness
    5/5
  • Value
    5/5
Why You Should Get It
  • We were impressed with its ability to quickly remove moisture.

Keep in Mind
  • We couldn’t comfortably hold a conversation over the noise during testing.

While it doesn’t have all the smart features available on the market, this pick from Amazon Basics is one of the best dehumidifiers for basements, especially if you’re on a budget. With a coverage area of up to 2,500 square feet and the ability to remove up to 35 pints of water per day, it’s powerful enough for most basements. Overall, we were impressed with its ability to quickly and effectively dry a room, noting crisper air in just 30 minutes.

The dehumidifier was almost ready to use straight out of the box and took us less than five minutes to set up. It did take us an extra 15 minutes to read through the instruction manual to understand what each button controlled, but once we understood, we felt confident using the unit.

When we first turned the dehumidifier on, we noted how loud it was—it’s not the best pick for those who like to watch TV or entertain in the basement. But if you don’t spend a lot of time in your basement, the noise may not be a huge concern.

We tested the dehumidifier in a room that regularly gets enough condensation to drip water down the windows in the mornings. To our pleasant surprise, after one night of using the dehumidifier, the windows were completely dry. Every time we used the dehumidifier, we noticed a substantial change in humidity within 30 minutes, noting crisper air and an almost 10% difference on our hygrometer. We also noted that the unit’s built-in hygrometer almost always matched our external hygrometer’s readings exactly.

The tank was easy to remove and empty and we appreciated the small window on the collection tank to monitor how full it was. You can also use an included drain hose for continuous drainage. The filter was easy to clean, and the unit includes light indicators to show when the filter and tank need maintenance.

Product Details: Tank Size: 12.72 pints | Capacity: 35 pints per day | Coverage Area: 2,500 square feet | Drainage Style: Collection tank and drainage hose | Dimensions: 15.43 x 24.25 x 11.1 inches | Weight: 39.2 pounds

Best Smart

Honeywell 30-Pint Smart Dehumidifier

Amazon Honeywell TP30WKN 30-Pint Smart Dehumidifier

Amazon

Our Ratings
  • Setup
    5/5
  • Features
    5/5
  • Design
    5/5
  • Effectiveness
    5/5
  • Value
    5/5
Why You Should Get It
  • It has a built-in handle and wheels, making it easy to move wherever you need it.

Keep in Mind
  • It’s best to use this dehumidifier with a drainage hose since the collection tank is on the smaller side.

If you’re looking for an effective dehumidifier with tons of smart features, we recommend this model from Honeywell. The device is compatible with Amazon Alexa and can be controlled and monitored through your smartphone via the Honeywell app. 

While the assembly took us 20 minutes—the longest out of all the dehumidifiers we tested—we didn’t have any troubles during setup. We appreciated the unit’s relatively light weight, built-in handle, and wheels that made it easy to move around where we needed it. Once the machine was up and running, we noticed a difference in the air almost immediately.

In addition to its two fan settings, the device includes a timer, sleep mode, auto-defrost, auto-restart, and automatic shut-off settings, all of which can be controlled in the Honeywell app. The app is also helpful for monitoring moisture levels and will notify you when the tank is full. If you’d rather not use the app, the tank will also beep and emit a red light to notify you when the tank is full or the device needs maintenance.

While the dehumidifier has a large coverage area of 3,000 square feet and a decent capacity of up to 32 pints per day, the collection tank can only hold 7 pints of water. Because of this, it may be easiest to use the included drain hose for continuous drainage.

Product Details: Tank Size: 7 pints | Capacity: 32 pints per day | Coverage Area: 3,000 square feet | Drainage Style: Collection tank and drainage hose | Dimensions: 20.1 x 13.2 x 10.5 inches | Weight: 37 pounds

Best with Drain Hose

GE Dehumidifier with Built-in Pump

Walmart GE 50 Pt E-STARPortable Dehumidifier w/ Pump for Wet Space, Grey, APEW50LZ

Walmart

Our Ratings
  • Setup
    5/5
  • Features
    5/5
  • Design
    4/5
  • Effectiveness
    5/5
  • Value
    4.5/5
Why You Should Get It
  • The unit is dark gray, which may hide stains better than a more common white unit.

Keep in Mind
  • It’s one of the loudest options we tested.

If you’re looking to use your dehumidifier continuously, you’ll want to consider an option with a drain hose. Many of the best dehumidifiers offer the option to drain continuously through a hose, but this pick from GE includes a hose and a built-in pump to drain the water quicker. It’s a great pick for those who don’t want to go down to the basement and empty a collection tank every day, especially if you have a lot of basement space.

It didn’t take much work for us to set up the device, but we did need to wait a full 24 hours after unboxing it before turning it on, according to the manual. But after running it for the first time on a rainy day for 13 hours, we felt a noticeable difference in the air and the 15-pint collection tank was completely full. 

The dehumidifier includes features like a built-in timer, built-in fan, and frost control sensors. It can cover areas up to 4,500 square feet and remove up to 50 pints of water per day. The only downside to this unit is that it’s a bit loud, so it might not be the best choice for those who spend a lot of time in their basement.

The dehumidifier’s filter was easy to clean with soap and water. In addition to the unit’s effectiveness, its dark gray color makes it a great choice for blending into darker basements and hiding stains, unlike most dehumidifiers, which are typically white.

Product Details: Tank Size: 15 pints | Capacity: 50 pints per day | Coverage Area: 4,500 square feet | Drainage Style: Collection tank and drainage hose | Dimensions: 14.76 x 24.02 x 11.38 inches | Weight: 43.7 pounds

Best with Pump

Frigidaire 50-Pint Dehumidifier with Built-In Pump

Amazon Frigidaire FFAP5033W1 High Humidity 50-Pint Dehumidifier with Built-In Pump

Amazon

Our Ratings
  • Setup
    5/5
  • Features
    5/5
  • Design
    4.3/5
  • Effectiveness
    4.8/5
  • Value
    5/5
Why You Should Get It
  • The built-in hygrometer was accurate during our testing.

Keep in Mind
  • While it has a pump, it doesn’t come with a drain hose.

If you’d like to continuously drain your dehumidifier but don’t want to go through a floor drain, you’ll need a model with a pump like this one from Frigidaire. To continuously drain water from a dehumidifier without a pump, the hose needs to face downwards to allow gravity to pull the water out. A pump allows you to feed the drain hose upwards, usually through a window or into a sink.

While this model has an effective pump, it’s important to note that it does not come with a drain hose—you’ll need to purchase one separately or use a standard garden hose. Other than that, the unit was easy to set up. At 47 pounds, it is one of the heaviest models on our list, so you may need two people to get it out of the box. But it has a handle and built-in wheels, so it shouldn’t be too difficult to move where you need it.

The basement we tested this humidifier in had a washing machine and a sump pump, but within a few hours we could feel a significant difference in the basement’s humidity. We do recommend using a drain hose, as the tank didn’t have a strong handle and the water it collected didn’t pour out smoothly.

Product Details: Tank Size: 16.9 pints | Capacity: 50 pints per day | Maximum Room Size: 1,500 square feet | Drainage Style: Collection tank and drainage hose | Dimensions: 16 x 24.75 x 12.75 inches | Weight: 41 pounds

Best Large

hOmeLabs 50-Pint Dehumidifier

hOmeLabs 50-Pint 4,500 Sq. Ft Energy Star Dehumidifier

Amazon

Our Ratings
  • Setup
    5/5
  • Features
    5/5
  • Design
    5/5
  • Effectiveness
    5/5
  • Value
    5/5
Why You Should Get It
  • Even while operating the dehumidifier on a high speed, we only needed to empty the tank about once every day.

Keep in Mind
  • It’s not recommended for spaces smaller than 3,000 square feet.

The best dehumidifiers for large basements are ones with wide coverage areas like this pick from hOmeLabs. With the ability to cover up to 4,500 square feet and a capacity of 50 pints per day, the dehumidifier is more than powerful enough to cover a basement.

It only took us five minutes to unbox and set up the dehumidifier—the most difficult part was lifting it out of the box, which required two people. After quickly reading the instructions, we understood the straightforward settings. We tested the dehumidifier in three different spots: a hallway in our basement, our laundry room that has a sump pump and is near a steam shower, and upstairs in our main living space. We noticed the most difference in our basement. After almost a full day, the basement no longer felt muggy or smelled wet on hot days.

We chose to empty the humidifier’s collection tank—which holds almost 13 pints of water—manually. We appreciated that the tank only needed to be emptied every 11 to 24 hours, depending on its setting and the weather. The smaller dehumidifier we used before this one required emptying every 8 hours. If you don’t want to manually empty the dehumidifier, the unit does have an option to connect a drain hose, but it didn’t come with one.

The instruction manual said to clean the tank every two weeks with a mild detergent, but we didn’t notice any buildup after two weeks of regular use. As we continued to test the unit, we simply rinsed the tank every few weeks. The filter was easy to clean with a vacuum, and we appreciated that the filter caught debris like dust and dog hair.

Keep in mind, the large dehumidifier isn’t recommended for spaces less than 3,000 square feet, so it may not be the best pick for someone with a smaller home. However, if you have a large basement, we think the extra power is worth it.

Product Details: Tank Size: 12.8 pints | Capacity: 50 pints per day | Coverage Area: 4,500 square feet | Drainage Style: Collection tank | Dimensions: 15.4 x 24.3 x 11 inches | Weight: 40 pounds

Best Small

Pure Enrichment PureDry Deluxe Dehumidifier

Pure Enrichment PureDry Deluxe Dehumidifier

Amazon

Our Ratings
  • Setup
    5/5
  • Features
    5/5
  • Design
    5/5
  • Effectiveness
    4.8/5
  • Value
    4.5/5
Why You Should Get It
  • The collection tank is transparent, making it easy to tell when it’s ready to empty.

Keep in Mind
  • It doesn’t come with a drain hose.

With a coverage area of 160 square feet and a tank size of 3.17 pints, this dehumidifier from Pure Enrichment is ideal for smaller rooms in a basement, whether it be a bedroom, bathroom, or storage room. While testing, we liked the unit’s overall effectiveness and lightweight design.

The assembly was extremely easy—besides removing the packaging, it was ready to go straight out of the box. The instructions were easy to follow, and the three buttons on the top of the unit were intuitive to use. There are two speeds, low and high, and the device can run continuously or be set on a four- or eight-hour timer. Keep in mind, the unit doesn’t come with a drain hose. However, it can turn off automatically when the tank is full, so you won’t need to worry about it leaking.

The unit was quiet while running (we found the sound level similar to a white noise machine) and emitted a soft light, which we didn’t find distracting. We also appreciated how easy it was to tell when the collection tank was full thanks to its transparent design. The tank was easy to clean, and there wasn’t a filter to clean or change out, an added bonus if you’re looking for a machine with less maintenance.

Product Details: Tank Size: 3.17 pints | Capacity: 1.25 pints per day | Coverage Area: 160 square feet | Drainage Style: Collection tank | Dimensions: 5.5 x 12 x 9.1 inches inches | Weight: 5 pounds

The Bottom Line

After testing 17 models, the best dehumidifier for basements is the Midea MAD50S1QWT 50-Pint Cube Dehumidifier thanks to its large coverage area and collection tank. We were impressed with its ability to effectively wick away moisture and appreciated its user-friendly features, including an app to monitor and control the device from anywhere.

Our Testing Process

To find the best dehumidifiers for basements, we tested 17 popular models in our homes. We spent two weeks testing the dehumidifiers for at least 12 hours per day, evaluating each unit on its effectiveness, setup, features, design,  and overall value. 

Once we received the dehumidifiers, we noted how long it took to set up and how easy it was to follow both the assembly and operation instructions. To test effectiveness, we used an external hygrometer to measure the humidity level in each room before and after using the dehumidifier. When applicable, we also compared the external hygrometer to the unit’s built-in hygrometer. Throughout the testing period, we moved each dehumidifier to different locations throughout our homes to test its effectiveness in multiple room sizes.

During testing, we noted how easy it was to use the unit, how loud the unit was, and how frequently we needed to maintain the machine, whether it be emptying the tank or cleaning the filter. For units with smart features, we evaluated how helpful the features were.

After an initial testing period, we continued to use the dehumidifiers in our homes for the following three months to determine if there were any changes in performance.

Hand resting on the vented side of the Frigidaire High-Humidity 50-Pint Dehumidifier With Built-In Pump Model FFAP5033W1

Better Homes & Gardens / Mary Honeyman-Speichinger

What to Know About Dehumidifiers for Basements Before Shopping

Capacity and Tank Size

A dehumidifier’s capacity refers to the amount of water the unit is able to remove from the air per day. The larger and/or more humid your basement is, the larger capacity you’ll need. Typically, you’ll find capacities anywhere from 1 to 60 pints per day. Keep in mind, the listed amount doesn’t directly correlate with how much water will be removed from the air. If the air in your basement is already close to the humidity setting you choose, the dehumidifier won’t pull its maximum capacity out.

A dehumidifier’s tank size will determine how much collected water the unit can hold. Smaller dehumidifiers like the Pure Enrichment Dry Deluxe Dehumidifier only hold around 3 pints of water, while larger tanks can hold up to 34 pints. The bigger the tank is, the less often you’ll need to empty it. Larger tanks aren’t always better, though, since they become very heavy once filled with water.

Most dehumidifiers offer timer features or will automatically turn off once the tank is full. If you plan on running your dehumidifier consistently and collect the water through the tank instead of a drain hose, you’ll want to plan on emptying the tank once a day to keep it running.

Coverage Area

Before choosing the best dehumidifier for your basement, you’ll want to consider the size of your space. Most basements are anywhere from 500 to 1,500 square feet, and we took this into consideration when making our selections of the best dehumidifiers for basements, which are designed for spaces from 160 square feet up to 4,500 square feet.

While our smallest pick, the Pure Enrichment Dry Deluxe Dehumidifier, may not be large enough for an entire basement—especially a large, open, unfinished one—it’s ideal for a single room like a bedroom, storage room, or bathroom.

“Ideally a home should be kept at 40–60% relative humidity to limit damage from moisture,” says David Ragsdale, Servpro production manager. It’s important to find a dehumidifier large enough for your basement since it won’t be able to bring the humidity of the space down if it’s too small.

Drain Hose and Pump

If going downstairs to your basement every day to empty your dehumidifier doesn’t sound appealing, you may want to consider choosing an option with a drain hose. A drain hose allows you to run the dehumidifier as a more permanent appliance that continuously drains. However, using a drain hose limits where you can place the dehumidifier, and you may need to run an extension cord if your basement doesn’t have an outlet near a drainage spot.

Most of the best dehumidifiers for basements include an option to continuously drain, but not all come with a hose. Luckily, these can be found at most hardware stores and you may even be able to connect a standard garden hose.

Most dehumidifiers do not include a pump, so they require a drain hose to expel water downwards from the unit—often into a basement’s floor drain. If you don’t have an available floor drain or want to drain the water into a sink or window, you’ll need to choose a humidifier with a pump. The pump pushes the water out, allowing you to drain water upwards through the hose. Keep in mind, models with built-in pumps are typically more expensive and can run louder than a standard dehumidifier.

Your Questions, Answered

Can a dehumidifier get rid of mold?

“Properly designed, installed, and maintained dehumidifiers can help prevent mold from forming by maintaining proper humidity levels inside a home,” Dixon says. However, dehumidifiers cannot get rid of any existing mold. If you have excess mold or mildew in your basement, contact a professional cleaning service to get it removed.

How big of a dehumidifier do I need for a basement?

It depends on how large your basement is and what your basement’s layout is. Most dehumidifiers include a listed coverage area to provide guidance on how many square feet it is effective on. If you have a large, open basement, you’ll want a larger dehumidifier that can cover at least 1,000 square feet. If you have a smaller basement or only need a dehumidifier in one room, like a basement bathroom or utility room, you may want to consider a smaller dehumidifier with a coverage area of 100 to 500 square feet.

If you don’t plan on using a drain hose, you’ll also want to consider tank size and how often you’re willing to empty the dehumidifier’s collection tank. Our best overall pick, the Midea MAD50S1QWT 50-Pint Cube Dehumidifier, has a large collection tank of 34 quarts, which may take a while to completely fill.

Who We Are

Jessica Comstock is an associate commerce editor at Better Homes & Gardens. She has written and edited articles about other home appliances, such as vacuums and patio heaters. To write this piece, she consulted insights from our research and testing team, who conducted thorough at-home tests of 17 dehumidifiers. In addition, Jessica consulted interviews conducted by our research and testing team with David Ragsdale, Servpro Production Manager, and Lane Dixon, vice president of operations or Aire Serv, a Neighborly company.

What Is BHG Recommends?

Next to all of the products on this list, you may have noticed our BHG Recommends seal of approval. Products that earn the seal have been put through rigorous testing to make sure they're worth a spot in your home. We buy most of the products we test ourselves, but occasionally we are provided samples by companies if buying isn't an option. In these cases, we use the same testing criteria we use to test the purchased products.

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