best crawl space dehumidifiers

Find Out Now! Best Crawl Space Dehumidifier [#4 is Life-Saving]

An appliance made specifically to remove moisture from the air in your crawl space is a dehumidifier. Because they are frequently damp and humid, crawl spaces can support the growth of mould and mildew. A best crawl space dehumidifier will help to remove this moisture, preventing mold and mildew from growing. Dehumidifiers come in various sizes, so it’s essential to choose one that is appropriate for your crawl area. In addition, dehumidifiers come with either a manual or automatic shut-off feature. Choose a dehumidifier with an automatic shut-off feature to ensure that your crawl space does not become too dry. In this article, we recommend some best crawl space dehumidifiers for you. So, keep reading it.

Top 5 best crawl space dehumidifier

BaseAire AirWerx55 Dehumidifier for Crawl Space Basement

Best for Home

Floor Area1300 Square Feet
Capacity120 Pints
Product Dimensions12.2″D x 19.2″W x 13.3″H
Item Weight57.3 Pounds

This energy-efficient dehumidifier is perfect for damp dehumidifying spaces up to 1,300 sq ft and can remove up to 55 pints of water each day. You can easily maintain a healthy 45%-55% humidity range, making it ideal for usage in homes, basements, crawlspaces, laundry rooms, garages, store rooms, huge rooms, factories, and commercial settings.

BaseAire AirWerx55 Dehumidifier is an easy-to-use Dehumidifier that is great for any home. The humidity sensor can automatically adjust the unit’s speed to maintain the relative humidity (RH) you set. The Dehumidifier will also automatically shut off when the target RH is achieved and will restart when the RH in the room rises again or after a power interruption. This unit also features a self-draining option by attaching the hose.

Anyone looking for a strong, long-lasting product should get this BaseAire dehumidifier. With an auto-defrost function, this Dehumidifier is ideal for cold environments. The restart function also ensures you won’t have to worry about power interruptions. 

An AirWerx55 Dehumidifier is a great option for anyone in need of a dehumidifier for their crawl space. This Dehumidifier is ideal for any sized room and does a great job of removing excess moisture from the air. This product also features a built-in pump that allows for easy drainage, making it a great choice for anyone looking for an easy-to-use and effective dehumidifier. 

This dehumidifier has a remote control that is optional and is an excellent alternative for soundproofing and saving space. It has a contemporary design and is composed of sturdy materials. Perhaps you’re looking for a description of the BaseAire AirWerx55 dehumidifier’s features. 

The BaseAire Dehumidifier is a premium dehumidifier that includes lifetime technical assistance and a 5-year warranty. All day, every day, our staff is here to answer any questions you may have.

Why its Great?

  • Perfect for drying things.
  • This unit is easy to use and keeps up.
  • Efficiency levels reached in 15 minutes.

Flaws but not the Deal Breakers

  • Froze up under 45 deg.

AlorAir Basement/Crawl Space Dehumidifiers 198 Pint (Saturation)

Best for Home

Floor Area2600 Square Feet
Capacity198 Pints
Product Dimensions23.2″D x 15.2″W x 17.7″H

The AlorAir crawl space Dehumidifier rapidly and really eliminates dampness with less energy than customary dehumidifiers, getting a good deal on your energy bill. This is the best unfinished plumbing space/storm cellar dehumidifier you will at any point utilize. 

The AlorAir Dehumidifier is a strong gadget that can eliminate up to 90 pints of dampness each day from your home or office. It is ideal for use in any cellar, crawl space, capacity region, carport, enormous room, or business setting. Furthermore, it can deal with up to 2,600 square feet of room. 

The crawl space Dehumidifier has a speedy and effective thawing out process that makes the dehumidifier work at a low temperature (36 degrees Fahrenheit) assuming ice is distinguished on the loops. A programmed thaw out cycle races to stay away from ice development and issues related with that development. 

The unit works persistently and proficiently without occasional halting during thawing out, saving energy and enduring longer. Is it true that you’re looking for the best dehumidifier for crawl spaces? Look no farther than the AlorAir Unfinished plumbing space Dehumidifier. With this Dehumidifier, you don’t need to stress over erosion or freon spillage. 

This product uses advanced technology to minimize both of these problems, so you can focus on enjoying your dehumidified space. This pro-grade Dehumidifier is built to last, with features like a regular coil that won’t corrode or leak Freon quickly. With this Dehumidifier, you’ll enjoy long-lasting protection against moisture, plus maintain the coil’s heat transferability.

This Dehumidifier is an investment in your crawl space/basement comfort. You can reduce your annual energy expenditures by up to $250 by utilising this dehumidifier. AlorAir Crawl Space Dehumidifier will help you to maintain a consistent RH of 50%. Once you have used this dehumidifier to regulate the humidity, you won’t need to keep the thermostat at low, unpleasant settings. 

The AlorAir Dehumidifier is completely compliant with the electrical safety ETL and has earned an energy star certification. Every AlorAir dehumidifier is backed by a 5-year guarantee and a knowledgeable customer support staff that is available round-the-clock.

Why its Great?

  • The exhaust fan on the unit is pretty powerful.
  • It is very quiet.
  • It was really easy to install.

Flaws but not the Deal Breakers

  • Expensive.

Ivation 4,500 Sq Ft Energy Star Dehumidifier with Pump, Large Capacity Compressor

Best for Home

Floor Area4500 Square Feet
Capacity2.25 Gallons
Product Dimensions11.1″D x 15.28″W x 23.5″H
Item Weight45.42 Pounds

This powerful compressor dehumidifier can remove up to 86 pints of moisture from the air per day, making it perfect for use in large rooms or spaces up to 4,500 square feet. This unit has an innovative ice pack condensation system. It can operate for extended periods without needing to be emptied, and it also features a convenient built-in pump for easy draining. The user-friendly control panel makes it simple to select the ideal volume.

The Ivation 4,500 Sq Ft Dehumidifier is a high-quality product that helps remove moisture from your home’s air. This dehumidifier is classified as 50 pints, but it is just as effective as the old 70-pint model. With this dehumidifier, you can enjoy a comfortable, dry home all year round.

This Ivation dehumidifier is built-in with a 16W pump that delivers worry-free use with continuous upward water drainage out of your basement window or into your sink. Get this dehumidifier for your home today and be worry-free from the moisture in the air.

Up to 4,500 square feet of space is the ideal size for this dehumidifier. The room’s current humidity level is correctly displayed by its built-in humidity sensor, allowing you to select your desired settings for automatic moisture control. The device is a fantastic fit for any home or business thanks to its modern look and silent operation.

This dehumidifier is perfect for small to mid-sized rooms. The Ivation energy star dehumidifier has a bright LED display that indicates the humidistat, making it easy to know when the room is getting too humid. This dehumidifier is excellent for use in offices or bedrooms because it is quiet.

This dehumidifier is perfect for your home as it is Energy Star certified, meaning it is eco-friendly and efficient. You’ll appreciate how convenient the casters are for moving from one room to another. Additionally, the auto-defrost feature ensures that your unit is always operating at peak performance.

Why its Great?

  • The unit’s 2.25-gallon reservoir provides plenty of capacity. 
  • Pump is working very well.
  • Really effective.

Flaws but not the Deal Breakers

  • Works great but seems to throw off heat.

Vremi 50 Pint 4,500 Sq. Ft. Dehumidifier Energy Star Rated for Large Spaces and Basements

Best for Home

Floor Area4500 Square Feet
Capacity50 Pints
Product Dimensions11.8″D x 16.7″W x 24.3″H

Do you live in a high-humidity area? If so, you know how gross it can feel to be surrounded by thick, wet air constantly. Well, our Vremi dehumidifier is here to help. This unit is ideal for usage in medium to big spaces between 3,000 and 4,500 square feet because it has a rating to remove 50 pints (70 Pint 2012 DOE Rating Standard) of moisture each day. So say goodbye to humid air.

Our Vremi 50 Pint Dehumidifier is designed with convenience and style in mind. This dehumidifier boasts a modern, sleek appearance, handy built-in wheels and handles, and a whisper-quiet fan that works quietly.

The Vremi Dehumidifier is a user-friendly appliance that is perfect for reducing moisture in the air. Let the dehumidifier run its continuous 24-hour cycle after adjusting the moisture level to your preference. When the tank is full, the dehumidifier will shut off on its own. Additionally, for added convenience, there is a drain hose outlet for continuous draining.

Unwanted moisture in the air can be eliminated with the 50 Pint Dehumidifier. This Dehumidifier features a 1.8-gallon water tank capacity and a 16.6 x 11 x 24.3-inch size. This unit is perfect for use in your home, office, or other space to help reduce moisture and improve air quality.

This dehumidifier will decrease moisture and enhance the quality of the air in your home. The Turbo mode on this portable dehumidifier efficiently and swiftly eliminates moisture from the air. By reducing humidity levels in your home, you can improve your comfort and help to avoid potential health risks associated with humid conditions. A great tool for enhancing the air quality in your home is the Vremi 50 Pint Dehumidifier.

Why its Great?

  • Works like a charm and works fast.
  • Worked in a larger space as well.
  • Good product and great customer service.

Flaws but not the Deal Breakers

  • It has a slight bit of a condensation issue.

Abestorm Crawl Space Dehumidifier, 120 Pint Commercial Dehumidifiers

Best for All

Floor Area1300 Square Feet
ColorGrey, Red
Capacity120 Pints
Item Weight51 Pounds
Product Dimension11.9″D x 19.3″W x 13.7″H

This Abestorm Crawl Space Dehumidifier is an energy-saving dehumidifier that is more effective in removing moisture than conventional dehumidifiers. It will not increase your energy bill but will save you energy and money. This Dehumidifier is great for basement/ crawl spaces/ large rooms/ garages/ attics. 

At a dehumidification rate of 55 pints per day, the Abestorm Crawl Space Dehumidifier is ideal for spaces up to 1,300 square feet. Its patented WaterMAT technology protects your crawl space against moisture, mold, and mildew. 

The Abestorm Guardian Dehumidifier is the perfect solution for your crawl space or basement. It features a durable design that can withstand the elements and a powerful dehumidification system that will keep your area dry and comfortable. 

The Crawl Space Dehumidifier is the perfect solution for both home and commercial/industrial applications. Its purpose is to eliminate extra moisture from the air and stop the development of mould and mildew. This dehumidifier is excellent for lowering airborne allergens and enhancing air quality. 

A Rare Earth Alloy Tube Evaporator and cutting-edge Internal Corrosion Protection technologies are used in the construction of the Abestorm Dehumidifier. This Dehumidifier is made to last with its extended life features. This product will quickly remove the moisture from your crawl space and keep it dry and comfortable. 

This is a great commercial-grade dehumidifier for easy and safe transportation. You can transport this dehumidifier from the downstairs to the upstairs, attic to the basement, and it is ideal for crawl spaces thanks to its superior quality materials, compact design, and durable handles. By using the 6.56-foot drain hose that is included, you may automatically and constantly drain the condensation by gravity, which eliminates the need to often pour water.

This Dehumidifier will take care of the moisture in the air for you so that you can say goodbye to discomfort and hello to a comfortable life. Ideal for basements and crawl spaces, this Dehumidifier can easily be adjusted to your desired humidity setting. Not to mention, it will also reduce any unwanted odors. So just set it and forget it; your new dehumidifier will take care of everything.

The Crawl Space Dehumidifier is a safe and reliable way to dry your crawl space. With professional after-sale service and a customer support team always available to answer any questions, the Abestorm Crawl Space Dehumidifier is the perfect way to keep your crawl space free of moisture.

Why its Great?

  • Relatively inexpensive and simple set up.
  • Great quality item as described.
  • Serious Drying Power.

Flaws but not the Deal Breakers

  • It’s rating is low.

Buying Guide for Best Crawl Space Dehumidifier:

Dehumidification capacity:

When looking for the best crawl space dehumidifier, it is important to consider the dehumidification capacity. The amount of water that the device can remove from the air each day is measured by its dehumidification capacity. A unit with a higher dehumidification capacity will be able to remove more water from the air and is, therefore, better suited for a larger space. It is important to choose a unit with the appropriate dehumidification capacity for the area that it will be used in.

Coverage area:

The covering area is one of the most crucial considerations when looking for the finest crawl space dehumidifier. The coverage area is the largest area that the dehumidifier can successfully handle. This is important because you want to make sure that the dehumidifier you choose can control the size of your crawl space. The dehumidifier will not be able to properly remove moisture from the air if it is too tiny, and if it is too huge, it will be an expensive waste of money.

Condensate pump drain:

When looking for the best crawl space dehumidifier, one important feature to look for is a condensate pump drain. This feature allows the dehumidifier to pump any collected water outside rather than simply draining it into a bucket that will need to be emptied regularly. This can be a very useful feature, particularly in larger spaces, as it can help to prevent any water damage that might occur if the bucket were to overflow.

Temperature range:

If you’re looking for a crawl space dehumidifier, one of the things you’ll want to consider is the temperature range. Most dehumidifiers will have a range of about 40-90 degrees Fahrenheit, but some can operate in colder temperatures. If you have a crawl space that gets very cold, you’ll want to make sure you get a dehumidifier that can handle those temperatures.

Noise level:

When choosing a dehumidifier for your crawl space, one of the things you’ll want to consider is the noise level. Some dehumidifiers can be quite loud, which can be disruptive if you have living space above the crawl space. Assuming clamour is a worry for you, search for a dehumidifier that has low commotion yield.


When you are looking for a new crawl space dehumidifier, one of the things you will want to look for is a good warranty. A good warranty will protect your investment and ensure that you are able to get the most out of your purchase. There are certain manufacturers who provide longer warranties beyond the typical one-year duration. If you can find a dehumidifier that comes with a longer warranty, it is definitely worth considering. In this manner, you will be protected if something does go wrong. Any warranty you are thinking about should have fine print that you should read. Some warranties may only cover certain parts of the dehumidifier, or they may have limitations on how long they will last. Before you decide, make sure you are aware of what is covered.

FAQs: Crawl Space Dehumidifier

How long will it take to dehumidify a crawl space?

Assuming you have a dehumidifier that can cover your entire crawl space, it will take eight (8) to (10) hours to dehumidify the space if the conditions are right. The weather has a big impact on how quickly a dehumidifier can work. If it’s humid outside, the dehumidifier will have to work harder and take longer to achieve the desired results. Additionally, the size of your crawl space will also affect how long it takes to dehumidify. A larger space will take longer to dehumidify than a smaller one.

Where should I place my dehumidifier in a crawl space? 

Assuming your crawl space is vented to the outside, a dehumidifier should be placed on a level base that is preferably elevated by at least 4 to 6 inches above crawl space ground level. Submitting the unit off the ground allows air to circulate more freely around it, which helps the dehumidifier work more efficiently. You also minimize the risk of water damage to the unit if your crawl space floods.


If you’re looking for the best crawl space dehumidifier, we believe that the products on this list are a great place to start your search. We’ve compiled a selection of dehumidifiers that are designed specifically for crawl spaces, so you can be sure you’re getting a product that will work well in your home. Check out our top options to see if one suits your requirements.

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