Top 15 Best Crawl Space Dehumidifiers 2021 Reviews

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Welcome to the Best Crawl Space Dehumidifiers Reviews feature. It is no wonder that water is a harmful element for basements or crawlspace if accumulated more than a certain length of time. Mold formation, mildew, and a worse stench will ensure that no one gets to use the area anymore. IF you don’t want the same to happen to your basement and want to use the crawlspace at its best possible self, you need the best crawl space dehumidifier for the same. There are some of the best products available in the market, and all of them come from reputed brands, including AlorAir, Dri-Eaz, MOUNTO, BaseAire, and more.

Right from checking out the warranty period to some of its extra features, you have to be very sure of the pros and cons of each item before making the right choice. Listed below are the best Crawl Space Dehumidifiers for you to check out before making the final decision. Each one has its own features to it, and it is mandatory to go through all the possible options before working out on the final call in here. The research will help you make way for the right choice. See our recommendations Best Dehumidifiers, Best Dehumidifiers with Pump, and Best Dehumidifiers For Basements.

Update - 2021.03.09Replaced Ivation 14.7 Pint Small-Area Compressor Dehumidifier with COLZER Crawlspace Commercial Dehumidifier

5 Benefits Of Having A Dehumidifier In Crawl Space

  • Health protection
  • Increase structural integrity
  • Pest protection
  • Efficient Use of Energy
  • Living space comfort

Comparison of Table

Best Crawl Space Dehumidifiers

Below are the Best Crawl Space Dehumidifiers to buy in 2021.

#COLZER Crawlspace Commercial Dehumidifier

Are you looking for a dehumidifier that comes with a special design for the crawl space? If yes, then this dehumidifier from Colzer is the best companion for your needs. With 16.3 inches in height and a horizontal design, it is ideal for low clearance tight basement and crawl space areas or fit between the floor joints. This dehumidifier is quiet and compact and does not sacrifice the capability of water removal.

The dehumidifier produces 206 CFM airflow and removes up to 145 pints of water from the air every day. It can maintain the humidity with spaces of up to 6000 square feet, ideal for large to medium-sized crawl spaces and a basement that requires moisture control. It consists of a heavy-duty internal pump and 16 feet of long drain hose for eliminating the moisture.

The high-density air filter eliminates the dust particles from the air to prevent the internal components from damage to ensure efficient performance. This highly efficient airflow filter is washable, reusable, and easy to access with no filter replacement requirement.

COLZER Crawlspace Commercial Dehumidifier with Pump and Drain Hose 145 Pints/Day (Saturation) 70 Pints/Day (AHAM) Humidity Control for up to 6,000 sq ft Basements, Water Damage Storage


  • Large spaces up to 6,000 square feet.
  • Up to 145 pints of moisture
  • 70 pints per day
  • Auto cycle ON/OFF
  • Drain Hose Length: 16 ft
  • Auto Defrost and Auto Restart

  • Durable.
  • Low-temperature mode.
  • Easy Maintenance.

  • Do not include wheels for transportation.

#AlorAir Basement/Crawl Space Dehumidifier

Looking for the best crawlspace dehumidifier now comes to an end, when you have the best ever AlorAir Basement/Crawl Space Dehumidifiers Removal 120 PPD (Saturation) 55 PPD (AHAM), 5 Years Warranty in store. This amazing device comes with HGV defrosting and with cETL.

You can’t ignore its epoxy coating, which makes the device lasts a lot longer than usual. Moreover, it can cover around 1300 square feet of area with its remote control, which is again optional.

Now, you can enjoy the ultimate benefits associated with Hot Gas Valve Defrosting System. It helps in quickening the defrosting mechanism and makes this dehumidifier to work at a lower temperature. It will make the unique work continuously and, rather effectively, without stopping it periodically during the defrosting process.

It comes with advanced technology to present internal corrosion protection. It helps in minimizing corrosion and even Freon leakage. This item is purposely designed for modern homes for your complete satisfaction. This dehumidifier comes with super convenient usage, for that easy operation here. Just adjust to your ideal moisture setting, and you are off to a great start.

ALORAIR Basement/Crawl Space Dehumidifiers Removal 120 PPD (Saturation), 55 Pint Commercial Dehumidifier, Energy Star Listed, 5 Years Warranty, Auto Defrosting, cETL, Optional Remote Monitoring


  • Removal 120 PPD (Saturation) 55 PPD (AHAM)
  • Epoxy coating
  • Cover around 1300 square feet
  • Hot Gas Valve Defrosting System
  • Internal corrosion protection
  • Bypass Air senser
  • Super convenient usage
  • 5 Years Warranty

  • High quality.
  • Easy to use.
  • Great storage value.

  • No cons.

#Dri-Eaz Revolution LGR Commercial Dehumidifier with Pump, Crawlspace and Basement Drying

Known to be durable and portable in nature, this Dri-Eaz Revolution LGR Commercial Dehumidifier with Pump, Industrial, Compact, Crawlspace and Basement Drying is what you must be looking for your crawlspace now. It can work with up to 17 gallons of water removal on a daily basis.

This large dehumidifier can cover the area around 7000 square feet and comes with a built-in humidistat. Plus, it comes with a display dealing with humidity and temperature conditions. This item is easy to transport with multiple units to be moved on that standard hand truck. You can get fast access to it for cleaning and its maintenance.

This dehumidifier can easily fit into smaller spaces like bathrooms and stairwells. It comes with limited lifetime services on the polyethylene housing, 1-year warranty on labor and parts, and 6 years on coils and compressor. The amount of water removal daily depends on the surrounding environmental conditions.

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  • Durable and portable in nature
  • Work with up to 17 gallons of water removal 
  • Cover area around 7000 square feet
  • Built-in humidistat
  • Can easily fit into smaller spaces 
  • 1-year warranty on labor and parts 
  • 6 years on coils and compressor

  • Very durable.
  • Easy to move.
  • Great performance.

  • Quite expensive.

#MOUNTO 80Pints Commercial Roto-Mold Crawl Space Dehumidifier with Pump

A perfect dehumidifier of all time, MOUNTO 80Pints Commercial Roto-Mold Crawl Space Dehumidifier with Pump is what everyone is looking for these days. It is available in two different colors and can cover up around 7000 square feet of area.

It comes with the smaller and light Xactimate “Large” category dehumidifier. It means, now you get to remove more water than units which are 2 to 3 times bigger in size than this one.

This dehumidifier comes with 125Pints/Day for 71 liters and can help in delivering larger dehu performance. Not only that, but this item can easily fit in spaces that others don’t like the kitchen, bathroom, crawlspace, and more.

Furthermore, this machine comes with a control panel for displaying the inlet and outlet temperature and RH. On the other hand, it comes with grain depression just in real-time. This is one compact and secured stacking option for transporting multiple units just on one hand truck.

MOUNTO 80Pints Commercial Roto-Mold Compact Crawl Space Basement Dehumidifier with Pump


  • Cover up around 7000 square feet of area
  • Light Xactimate “Large” category dehumidifier
  • 125Pints/Day for 71 liter
  • Easily fit in spaces 
  • Control panel for displaying the inlet and outlet temperature 
  • Compact and secured stacking option 
  • Grain depression 
  • Available in two different colors 

  • Compact design.
  • Easy to move.
  • Great quality.

  • No cons.

#BaseAire AirWerx55 Crawl Space Dehumidifier

A perfect basement dehumidifier to remove around 55 pints at AHAM, this BaseAire AirWerx55 Crawl Space Dehumidifier is one to cover around 1300 square feet of area with ease. It is associated with 5 years of warranty service. So, if anything happens to the product within that time, the company will change it for you.

Not only that, but this machine comes with an HGV defrosting mechanism, which makes defrosting a super-fast experience. You don’t have to wait much for the right service now. This machine is remote controlled, which helps in easing out its features all too well. 

The size is compact and convenient and can easily fit in any area you want to deal with. It comes with 2 rigid handles for making it easily positioned where you need the moisture to be removed. The machine is well equipped with the stainless coils for that lo0ng term service without replacement or repair. It turns on and off automatically.

BaseAire AirWerx55 Energy Star Dehumidifier for Crawl Space Basement, 120 Pints Commercial Dehumidifier with Continuous Drain Hose, 5 Years Warranty, Intelligent Humidity Control, Auto Shut off/Restart


  • Remove around 55 pints at AHAM
  • Cover around 1300 square feet of area 
  • HGV defrosting mechanism 
  • Remote controlled
  • Size is compact and convenient 
  • Turns on and off automatically
  • Equipped with the stainless coils
  • 5 years of warranty service

  • Easy to install.
  • Can be controlled from anywhere.
  • Superfast in its service.

  • No cons.

#Dri-Eaz PHD 200 Commercial Crawl Space Dehumidifier with Pump

The next time you are looking for a dehumidifier to dry up your basement or crawlspace, the name that pops right up in your mind happens to be the Dri-Eaz PHD 200 Commercial Dehumidifier with Pump, Crawl Space, and Basement Drying. It can easily remove around 16 gallons of water on a daily basis. It is available in gray color and comes with an extension length of 6 inches. The height of the machine is 17.6 inches, and it does not have any component to it.

This product is perfect for controlling humidity levels in utility rooms, shower areas, basements with mold, or mildew, which can grow. You can install it easily in crawlspaces where the damp environments can easily rot joists and even attract some pests.

Now you get the chance to remove moisture and even automatically pump it right into a floor drain or even outside. That’s how amazing this machine is. You can set the optimum humidity level for the garage or shop working areas as well, as per your choice.

Dri-Eaz PHD 200 Commercial Dehumidifier with Pump, Crawl Space and Basement Drying, F515, Up to 16 Gallon Water Removal per Day, Gray


  • Dry up your basement or crawlspace
  • Easily remove around 16 gallons of water 
  • Extension length of 6 inches
  • Height of the machine is 17.6 inches 
  • Controlling humidity levels in utility rooms
  • Remove moisture 

  • Sturdy built.
  • Easy to use.
  • Great customer service.

  • Little loud.

#yaufey 30 Pint Dehumidifier

It is a popular compressor which is selected by a wide assortment of people for the removal of about 4 gallons of moisture daily. It is a 30-pint dehumidifier that is ideal for the removal of 9 ounces of daily. Hence, it is believed to be a wonderful choice for the garage, basement, bedroom, bathroom, home, and different indoor spaces of about 1500 sq. ft. 

It is a popular dehumidifier in the market as it is not complicated at all. Instead, it has the light touch intelligent control, which provides the operations to view the operating settings at once. All you need to do is adjust to the desired moisture setting, after which you should run the 24-hour cycle till the tank gets filled up. After this, it will shut off automatically.

Users prefer to purchase it over other dehumidifiers as a drain hose outlet lends a helping hand for consistent draining. Because of the presence of the multiple humanized features, you can choose between the turbo and regular fan speed to enjoy more comfort. It has a low noise design which will not disturb you during studying or washing. Moving this dehumidifier becomes easier than ever as it has built-in wheels and handles.

yaufey 1500 Sq. Ft Dehumidifiers for Home and Basements, with Continuous or Manual Drainage, Intelligent Control Quietly Removes Moisture


  • Spaces up to 1500 Sq Ft.
  • Light-touch intelligent control panel
  • 1.8L tank
  • Drain hose outlet
  • Low noise design
  • 24 hours timer setting
  • Built-in wheels and handles
  • 1-year warranty

  • Easy to carry.
  • Quiet.
  • Energy efficient.

  • Some customers reported that the float sensor broke after some time.

#Ivation 4,500 Sq Dehumidifier with Pump

With a weight of 40 pounds only, it is an excellent option for the majority of the spaces. It has durable, smooth-rolling caster wheels that ensure high portability. Thus with the aid of the dual fan settings, it is possible to personalize the regulation of air. You can select this unit for areas of about 4500 sq. Ft.

The durable smooth-rolling casters of this model help in moving the unit easily. You will be impressed with the 16-watt built-in pump of this unit. It provides the options for consistent upward drainage. The innovation filtration and evaporation system of this product prevent structural cracking, mildew, and mold.

Hence, you can use this model for protecting the family against the mites, allergens, and different types of asthma triggers. You will be capable of removing about 50 pints of moisture daily. You just require emptying the reservoir of 1.3 gallons after auto shut off, hooking the optional hose up for consistent draining, monitoring the level indicator.

This product entices the users with the smart Ivation design, which opens the door of opportunities for controlling different moisture levels with the aid of the LCD interface. You will be capable of adjusting the fan speed, setting the desired levels, monitoring the humidistat, programming the 24-hour timer easily through this.

Other primary attributes of this dehumidifier are frost sensor, hose hook up, washable air filter, auto restart, safety auto-shutoff, to name a few.

Ivation 4,500 Sq Ft Energy Star Dehumidifier with Pump - Large Capacity Compressor for Spaces Up To 4,500 Sq Ft, Includes Programmable Humidity, Hose Connector, Auto Shutoff / Restart


  • Up to 4,500 sq.ft.
  • Removing 50 PPD
  • Frost sensor
  • Hose Hookup
  • Washable air filter
  • Auto-restart
  • Safety Auto shutoff
  • The built-in relative humidity meter
  • 2-fan speeds
  • LCD Display
  • Extra-long cord
  • 24-hour timer
  • Built-In 16W Pump

  • Easy to install.
  • User friendly.
  • Durable.

  • This pump can drain only downward.

#TOSOT 3,000 Sq Ft Energy Star Dehumidifier

It is a well renowned commercial dehumidifier that is capable of removing about 35-pints of moisture in just 24 hours. The lower humidity level enables the Air conditioning system to function effectively. The auto draining is believed to be a salient feature of this model as it stops the running once the water bucket gets filled up.

You will be successful in saving time with the aid of the automatic drainage as it is hooked to the dehumidifier drain hose of 3/4inches. Besides this, the unit will be powered off once it reaches the target you want. You can press the minus button for running the dehumidifier nonstop as the control panel exhibits NS. As this unit operates at 50 decibels, it is quiet in operation. 

This dehumidifier is energy star rated, which allows you to save an ample amount of money. It is useful in the removal of moisture faster from the air, and hence there will be a significant reduction in the electric bills. You will love this unit as operating it costs about 30 percent less, in comparison to the non-Energy star appliances.

TOSOT 35 Pint 3,000 Sq Ft Dehumidifier Energy Star - for Home, Basement, Bedroom or Bathroom - Super Quiet (Previous 50 Pint)


  • Up to 3,000 sq.ft.
  • Washable air filter
  • Continuous drainage
  • Drain bucket
  • Power outage restart
  • 1.5 gallon capacity
  • 1-year warranty

  • Quiet.
  • Perfect for large spaces.
  • Great quality.

  • Some users found that it stopped working just after 3 months.

#Hysure Quiet and Portable 1000ml Dehumidifier for Crawlspace

It is a 2 in 1 dehumidifier which can be used for the removal of additional moisture from the air. It is efficient and portable, and you can make the best use of it for removing about 750 ml of moisture daily at the temperature of 30 degrees C. This dehumidifier shuts off automatically as the water tank of 1000ml is filled.

It has the touch panel along with LED indicators, which make operating this unit a walk in the park. It is quiet in operation, and hence you will procure peace of mind as it does not cause any interruption in the rest and daily life. The true HEPA filter of this unit is helpful in the removal of 99.97 percent of the particles, along with 0.3 micros diameter.

Hysure Quiet and Portable 1000ml Dehumidifier Electric, Deshumidificador, Home Dehumidifier for Bathroom, Crawl Space, Bedroom, RV, Baby Room


  • 1000ml capacity water tank
  • True HELPA filter
  • Auto-Off and LED indicator
  • Touch panel
  • 30 days money-back guarantee

  • Silent.
  • Efficient.
  • Portable.

  • No cons.

#Aprilaire 1820 Pro 70 Pint Commercial Dehumidifier for Crawl Spaces up to 2,800 sq. ft.

Another interesting dehumidifier for your crawlspace happens to be the much-awaited Aprilaire 1820 Pro Crawlspace Dehumidifier, 70 Pint Commercial Dehumidifier for Crawl Spaces up to 2,800 sq. ft. It is available in three styles and in two pattern names.

The machine is created to last for a long time with its corrosion-resistant aluminum coils. These items are not just designed but even manufactured in the USA by the leader in indoor air quality solutions. Furthermore, this item helps in preventing the formation of molds, structural wood rot, termites, and odors in any of the sealed crawlspace.

It further reduces and even controls basement humidity for preventing damp carpeting and furnishings, mildew, odors, and mold. It helps in removing around 9 gallons or 70 pints of water on a daily basis.

There is no need to work on a messy water tray for emptying it out, and it comes with a simple set up. All you have to do is just place the hose and the dehumidifier over the drain, and you are done.

Aprilaire Dehumidifier, 70 pints/day


  • Corrosion-resistant aluminum coils
  • Manufactured in the USA 
  • Helps in preventing formation of molds, structural wood rot
  • Reduces and even controls basement humidity 
  • Removing around 9 gallons or 70 pints of water 
  • No messy water tray
  • Available in three styles and in two pattern names
  • 5-year warranty

  • Sturdy structure.
  • Great customer service.
  • Easy to use.

  • Quite expensive when compared to other models.

#Santa Fe Compact70 Dehumidifier for Crawl Space and Basements

This amazingly designed Santa Fe Compact70 Dehumidifier for Crawl Space and Basements to Remove Moisture and Prevent Mold 6-Year Warranty is one product that everyone must-have if you want to remove humidity from the crawlspace or any such compacted space. It is available in two separate sizes, and this one focuses on the 70-pint water removal daily one. 

It comes with a smaller footprint, which can easily fit right into lower crawl spaces, mechanical closets, basements, or any other smaller space. It is actually sized to fit right between the floor joists for the convenient form of hanging installation. 

This dehumidifier comes with the rotatable exhaust outlet, which will offer that vertical or horizontal discharge. So, you can easily get to use it whenever you want and without fail. Another interesting part is that it exceeds the Energy Star efficient requirements, making it a super performer in every possible way. It comes with the MERV-13 filter for the much-awaited superior air filtration.

Santa Fe Compact70 Dehumidifier


  • 70-pint water removal daily 
  • Smaller footprint
  • Rotatable exhaust outlet
  • Exceeds the Energy Star efficient requirements
  • MERV-13 filter for superior air filtration
  • 6-Year Warranty 

  • Great structure.
  • Easy to store.
  • Portable.

  • Small.

#Dri-Eaz LGR 7000XLi Commercial Dehumidifier with Pump

A perfect dehumidifier for industrial use, this Dri-Eaz LGR 7000XLi Commercial Dehumidifier with Pump is durable, portable and can remove around 29 gallons of water on a daily basis. It comes with an advanced form of crossflow technology, which helps in maximizing efficiency even in some of the lower grain environments. It ensures best-ever performance across the range.

This dehumidifier comes with a self-monitoring system and built-in sensors. It comes with performance parameters to allow automatic fan speed adjustments here. The product comes with plain English control panel messages and a built-in humidistat. The ergonomic design is yet another feature, which makes this item amazing to work on.

It comes with the legendary roto-molded housing, which can resist dings and dents, indestructible and even stackable for storage. So, it helps in the saving room in warehouses. The amount of removing water daily depends on the surrounding environment like structural materials, temperature, and humidity level, and water saturation of content.

Dri-Eaz-F412 LGR 7000XLi Commercial & Portable Dehumidifier with Pump - Up to 111 L water removal per day,Blue


  • Remove around 29 gallons of water on a daily basis
  • Advanced form of crossflow technology
  • Performance parameters to allow automatic fan speed adjustments 
  • Self-monitoring system and built-in sensors
  • Plain English control panel messages 
  • Built-in humidistat
  • Legendary roto molded housing
  • Limited Lifetime Warranty on Body, 6 Years on Compressor & Coils, 1 Year Parts and Labor

  • Well built.
  • Portable.
  • Great customer service.

  • Nothing to find.

#Aprilaire 1850F 95 Pint Dehumidifier for Basements up to 3000 sq. ft

Available in two-pint sizes, this Aprilaire 1850F Large Basement Pro Dehumidifier for Basements up to 3000 sq. ft. is a perfect addition to be made in your place. It is styled for basement use but can easily fit in the crawlspace as well.

This dehumidifier is built to last with its corrosion-resistant aluminum coils. These items ate designed and even manufactured in the USA by the leader of the indoor air quality solution providers.

This dehumidifier is perfect for reducing and even controlling humidity in basements and crawlspace for helping to prevent damp furnishings and carpeting, mold, and mildew formation and even odor in this regard. 

This dehumidifier can also help prevent termites, molds, and structural wooden rots in the sealed crawlspace. It can easily remove around 95 pints(12 gallons) of water on a daily basis. You do not have to deal with messy water tray as it is simple to set up with the included hose pipe with it.

Aprilaire 1850F Large Basement Pro Dehumidifier, 95 Pint Dehumidifier for Basements up to 3000 sq. ft.


  • Up to 3000 sq. ft. coverage
  • Easily fit in the crawlspace 
  • Corrosion-resistant aluminum coils
  • Manufactured in the USA 
  • Perfect for reducing and even controlling humidity 
  • Preventing damp furnishings and carpeting
  • Remove around 95 pints of water on a daily basis
  • Available in two-pint sizes
  • 5 Years Warranty

  • Great quality.
  • Excellent customer service.
  • Easy to use.

  • Some complaint of missing parts.

#AlorAir LGR Dehumidifier with Built-in Pump

With up to 190 PPD and with 85ppd at AHAM, AlorAir LGR Dehumidifier with Built-in Pump, for Water Damage Restoration, 5 Years Warranty, cETL Listed is one dehumidifier to help you work on flood repair with ease.

It comprises of some super features, with its Digital humidistat control, Timer, and even condensates pump. It can easily fit into any small space, and multiple units can be stacked in one standard hand truck.

It is known for its higher efficiency level with water damage restoration services. The operating temperature range will be within 33 to 105 degree, and it comes with 5.4 amps on a 115V power supply. The machine is noted for its waterproof design, where you can sink unit in water as rubber stripe will seal the circuit board.

It has an HGV defrosting mechanism, which is a Hot Gas defrosting system. It ensures efficient and quicker clearing of ice from coil under the minimum operating temperature of just 2 degrees C. It is noted to be one Storm LGR Extreme industrial dehumidifier associated with its all-new epoxy coated coils.

ALORAIR LGR Dehumidifier with Built-in Pump, for Water Damage Restoration, 5 Years Warranty, cETL Listed, Up to 180 PPD (Saturation), 85ppd at AHAM, Flood Repair


  • Storm LGR Extreme industrial dehumidifier 
  • New epoxy coated coils
  • Hot gas defrosting system
  • Noted for its waterproof design
  • 5.4 amps on a 115V power 
  • Digital humidistat control, Timer 
  • Condensate pump
  • 5 Years Warranty

  • Efficient.
  • No assembly required.
  • Amazing customer service.

  • A bit heavy.

Buying Guide: Best Crawl Space Dehumidifiers

If you are planning to select the best crawl space dehumidifiers, you should take a look into the below-mentioned factors:

Size: Size can be an important hurdle to overcome when installing a small or large crawl space dehumidifier.  While you still need to pick a dehumidifier that is the proper capacity for your home and its moisture problem, it is important to remember the overall dimensions of the system as well. Weight comes into play to a degree, depending on the location of the dehumidifier. Always think about the location and placement of your dehumidifier, and it’s dimensioned beforehand.

Modern technology used: Always check in with modern technology as widely used for manufacturing the best dehumidifier. The more modern technology is, the better results you will come up with. Some even come with remote-controlled mechanisms, which will make this service outstanding, to say the least in here.

Amount of water to be removed: You have to select the crawlspace dehumidifier after checking out the gallon of water the machine can remove on a daily basis. It will also talk about the area it can cover on one go. A minimum of 13 to 15 gallons of water or even 17 gallons will prove to be a great mark to start with. Just go through all the possible options and then make the final call with the right choice to make.

Powerful machine: You have to be sure of the powerful machine before you can get one to use. These machines are amazingly designed to last for a long time and will address all your possible needs with ease. Just check out the proper options and then head for the one that seems to work out in your favor. Always plan to take some time out of a busy schedule for research before making the final investment plan set.

Low-Temperature Operation: The appliance needs to operate at low temperatures and have an auto-defrost function.  The auto defrosts systems prevent the inner workings of the device from building up frost, and operating at low temperatures is something that is regularly required in a basement and crawl space.

Easy storage value: Always look for the small size of the powerful machines. The best ones can be stored easily in smaller spaces like in the basement, stairwells, kitchen, and more. Just because the size is small, that doesn’t mean there is any less powerful mechanism followed. The machines remain powerful and come in a smaller size.

The digital help you can get: If you are looking for a perfect digital help with the best dehumidifier, you have to search accordingly. The modernized versions will have Digital humidistat control, Timer, Condensate pump, and so much more. Just run through all the possible points, the built-in features, and extra added mechanisms of the items before taking the final call.

Warranty period: You can’t ignore the warranty period of the machine at all. A minimum of 5 years of limited warranty is a basic expectation for you to follow. On the other hand, you need to focus on the lifetime warranty on some of the basic parts of the dehumidifier for your crawlspace before the final investment. The research will help you come up with the best choice.

Crawl Space Dehumidifiers vs Commercial Dehumidifiers

Crawl spaces may get damp due to cracks in the building’s foundation or walls, recent flooding or burst pipes. The problem with the crawl spaces is that it is easy to disremember about them until you have an infestation in hands, which is why it is necessary to buy a dehumidifier to assure moisture removal in the space and prevent such problems. While commercial dehumidifiers can remove more moisture than standard crawl space dehumidifiers, you have to think whether there is space or even the need for it. An industrial commercial dehumidifier is most useful for other areas of the home or building, such as basements or indoor pools.

FAQs Of Crawl Space Dehumidifiers

How long does a crawl space dehumidifier last?

If the humidity levels are controlled, and there is no catastrophic events such as flooding happen, a properly maintained crawlspace can last for more than 15 years.

What is the difference between a basement and a crawl space?

The basement is deeper. Both can use blocks to support outer walls, however, particularly in a half basement. Crawl spaces are usually between 1 to 3 feet high.

Where should a dehumidifier be placed in the crawl space?

Your dehumidifier should be established in an area where the discharge airflow isn’t blocked. Locate the dehumidifier in a convenient place for humidistat adjustment and seasonal filter change /cleaning.

What is an acceptable humidity level in the crawl space?

The perfect crawl space humidity level is much lower than 100%.


Going through the Best Crawl Space Dehumidifiers will always help you make the right choice here. Each one has its own pros and cons that you need to check out first. Once done, going for the right choice will be an easy task to follow. Make sure to go through all the possible options first, ask some of the previous buyers for their reviews, and finally work out on the best selections to work with. 

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