Best Dehumidifier for Crawl Spaces Sept. 2019 Reviewed

Finding the best dehumidifier for a specific place isn’t that easy. This In-depth article which reviews some of the best dehumidifier for crawl spaces available in the market today.

With the current world conditions, it is important to have a dehumidifier in your home that will get the job done. There are numerous different options to choose from on the market today, but only a few actually stand out for the quality and the value they offer.

Whether you have a crawl space at home or anywhere you work, mold and mildew are two of the worst guests that you can have. High humidity is not only dangerous, but these conditions can attract many unwanted visitors like termites to your crawl spaces or any other area with high levels of humidity in your home.

Your crawl space might at the moment be full of insects and even mold or mildew which can make it really daunting to use. However, a good dehumidifier will ensure that the level of humidity is kept under check and you have the ability to use them again. In this article, we take a look at some of the best crawl space dehumidifiers.

In a Rush? Here's Our Top Choices

The AlorAir Basement/Crawl space Dehumidifier might be a little expensive, but it is one of the most functional ways to clear up your home from humidity. It has an automatic defrosting system for the winter months and should give you around 90-pints of moisture that will be removed during a cycle of 24-hours.

List of Our Best Crawl Space Dehumidifier

ProductCapacityCoverageWarrantyBuy
AlorAir Sentinel HDi9090 pints2600 sq. ft.5 yearsClick Here
Aprilaire 182070 pints2200 sq. ft.5 yearsClick Here
Aprilaire 185095 pint3000 sq. ft.5 yearsClick Here
Dri-Eaz Revolution LGR136 pints7000 sq. ft.6 yearsClick Here
Dri-Eaz PHD 200128 pints5000 sq. ft.6 yearsClick Here
AlorAir85 pints2,500 sq.ft.5 yearsClick Here
BlueDri BD-76150 pints4,500 sq.ft.1 yearClick Here
Inofia232 pints8000 sq. ft.1 yearClick Here
AlorAir Storm Elite270 pints3000 sq. ft.5 yearsClick Here
Tosot70 pints4500 sq. ft.1 yearsClick Here

Let’s Have a Look at Above Dehumidifier for Crawl Spaces:

We have researched and tested all the above dehumidifiers at our testing center and have reviewed them on the different factors.

🏅 AlorAir Basement/ Crawl space Dehumidifier

Top Pick

SPECIFICATIONS

  • Filter: Clean Air Fliter
  • Air Flow: 210 CFM, 350 CMH
  • Supper COP: 2.88 L/kWh
  • Sound Level: <58 dB(A)
  • Drain Pipe: 5m
  • Draining: Gravity Draining
  • Defrosting: HGV Defrosting
  • Temperature: 33.8~104 ℉
  • Humidity: 35~95%
  • Dimensions: 11.8 × 10 × 0.4 in

PROS

  • Extremely Functional
  • Convenient to use
  • Energy Efficient
  • Easy Installation
  • Remote Control System
  • Easy Handling
  • Memory Starting
  • Removes 90 pints per day
  • Auto defrosting feature
  • 5-year warranty

CONS

  • Quite Expensive but Worth it

The AlorAir Basement/Crawl space Dehumidifier is a functional option that can be used in your basement as well. 

The unit can actually remove up to 90-pints of moisture per day. However, it is capable of working at low temperatures in the range of 36-degrees Fahrenheit with the automatic defrosting system that has been added.

Durability is impressive and the unit includes an advanced coating that will keep any rust from setting it. It also protects the unit with anti-corrosive features.

If you have a drain, you never have to worry about cleaning a tank.

Verdict

It might be one of the most expensive dehumidifiers on the market today, but it definitely makes a difference.

2. Aprilaire 1820 – Best Dehumidifier for Crawl Spaces

(with Pump)

SPECIFICATIONS

  • Air Flow: 200 CFM
  • Sound Level: <52 dB(A)
  • Made in: USA
  • Power Cord: 8 ft
  • Operating Current: 5.8A
  • Weight: 56 pounds
  • Dimensions: 12.5 × 12.5 × 25 in
  • Warranty: 5-year

PROS

  • Durable Construction
  • Easy to Set up with Drain Pump
  • Removes up to 70 pints per day
  • Corrosion-Resistant Aluminum Coils
  • Set it and Forget it
  • Light Weight
  • Can be Used in Basement
  • Simple to use Interactive Display
  • Washable MERV 8 Filter
  • Low Maintainance

CONS

  • Quite Expensive but Worth it

Aprilaire 1820 a pro Crawl Space Dehumidifier is one of the top options that has been manufactured in the US. 

The unit is made from extremely durable materials and it can remove up to 70 pints of moisture from the air in one day. If you have a drain, it can be mounted and this will also ensure you have an automated system.

The control feature of this unit is really great and you don’t need to constantly monitor the unit to make sure that it is working.

You simply need to set it up and you will be ready to actually use it.

Verdict

It is one of the most expensive units, but when looking at some of the features and the overall durability, it is definitely worth it.

3. Aprilaire 1850 Crawl Space Dehumidifier

(For Whole House)

SPECIFICATIONS

  • Air Flow: 265 CFM
  • Sound Level: 54 dB(A)
  • Made in: USA
  • Power Cord: 8 ft
  • Lowest Temperature: 50°F
  • Operating Voltage: 110-120 V
  • Operating Current: 8A
  • Maximum Wattage: 850 W
  • Weight: 70 pounds
  • Dimensions: 27.5 x 12.5 x 17 in
  • Warranty: 5-year

PROS

  • Durable Construction
  • Covers up to 5,000 square feet
  • Removes 95 pints of water per day
  • Easy to set up
  • Corrosion-Resistant Aluminum Coils
  • Easy Handling
  • Set it and Forget it
  • Can be Used in anywhere
  • Washable MERV-8 Filter
  • Low Maintainance

CONS

  • Quite Expensive

Aprilaire is certainly one of those brands that you will see quite often when looking at crawl spaces and your basement.

The Aprilaire 1850 a pro Whole House Dehumidifier is designed for your entire home and it can remove a massive 95 pints of moisture from the air per day. The unit also covers an impressive 5,000 square feet in your home. 

Much like some of their other units, you can easily set it up with a pump that will automatically drain the unit of moisture.

The biggest downside is that it is one of the most expensive units you will find on the market today. We would recommend it to users who need one single unit that will dehumidify the entire home.

Verdict

It being among the most expensive ones out there, it works great as a single unit can dehumidify your entire home.

4. Dri-Eaz Revolution LGR Crawl Space Dehumidifier

(Best for Commercial use)

SPECIFICATIONS

  • Air Flow: 121- 180 CFM
  • Filter: 3M High Air Flow (HAF) filter
  • Sound Level: 60 dB
  • Power Cord: 25 ft
  • Temperature: 33-100℉
  • Operating Voltage: 115V
  • Operating Current: 6.2A
  • Maximum Wattage: 713 W
  • Weight: 65 pounds
  • Dimensions: 12.5 x 17.6 x 21.5 in
  • Warranty: 6-year

PROS

  • Covers up to 7,000 square feet
  • Removes up to 136 pints of water per day
  • Fits into small spaces
  • Easy to control
  • Built-in Humidistat
  • Easy to Clean and Maintain
  • Best Low Grain Performance in its Class
  • Control panel displays inlet and outlet temp
  • Displays RH in Real Time
  • Automatic restart
  • Built-in automatic pump-out

CONS

  • Expensive
  • Needs Expert Installation

If you are looking for one of the best options and you are willing to pay for it, the Dri-Eaz Revolution LGR Commercial Dehumidifier is the optimal unit that could potentially work for you.

It is large but also features a coverage area that is around 7,000 square feet in total. The unit can remove up top 17 gallons of moisture per day.

Most of these units are fairly expensive and while this one is probably the most expensive, the biggest downside is the installation.

You might need a professional to help you set it up for use in your home. It can actually fit into small spaces and you only need to set it up and leave it when you have installed it correctly.

Verdict

Probably the most expensive, and might need a professional set it up. But once installed just switch it on and leave it.

5. Dri-Eaz PHD 200

(Best Crawl Space Dehumidifier for Money)

SPECIFICATIONS

  • Air Flow: 180 CFM
  • Filter: Mesh Particle Air Filter
  • Sound Level: 60 dB
  • Power Cord: 6 ft
  • Drain Hose Length: 20 ft
  • Temperature: 45-100℉
  • Operating Voltage: 110-120V
  • Operating Current: 6.2A
  • Weight: 65 pounds
  • Dimensions: 12.5 x 12.5 x 17.6 in
  • Warranty: 6-year

PROS

  • Modern setup and controls
  • Reasonably priced
  • An efficient working system with modern design
  • Detachable Power Cord
  • Control Panel Displays the Inlet and Outlet Temperatures
  • Automatic Defrost System
  • Easy to Clean and Maintain
  • Self-Diagnostic Test System
  • Automatic Restart On Power Failure

CONS

  • Loud and Noisy

One of the best compact dehumidifiers is definitely the Dri-Eaz PHD 200 Commercial Dehumidifier. 

This unit is slightly smaller than most of the others but still features a rugged construction. It is designed for smaller rooms and specifically smaller crawlspaces that you don’t have the ability to set up some of the larger units.

Not only is it smaller, but still comes with a drain attachment, allowing the unit to remove up to 120-pints of water per day.

The unit is reasonably priced and still offers you some excellent value for your money. The manufacturer has also added a 6-year limited warranty and this will give you some additional peace of mind.

Verdict

Talking about it’s efficiency it is one of the smallest unit and comes with a drain attachment. The unit is reasonably priced.

6. AlorAir LGR Extreme Crawl Space Dehumidifier

(Best For Water Damage)

SPECIFICATIONS

  • Air Flow: 295 CFM, 500 CMH
  • Filter: G3 Filter
  • Sound Level: <58 dB (A)
  • Power Cord: 19.6 ft
  • Temperature: 33.8-104℉
  • Operating Voltage: 115V
  • Operating Current: 5.4A
  • Weight: 75.5 pounds
  • Dimensions: 22.8 x 13.7 x 17.3 in
  • Warranty: 5-year

PROS

  • Reasonably Priced
  • Helps with the Restoration of Water Damage
  • Easy to set-up
  • Removes 85 pints per day
  • HGV Defrosting
  • Corrosion Protection
  • Waterproof Design
  • Digital Humidistat Control
  • Automatic Turn On/Off
  • Fits into Small Spaces
  • Low Maintenance and Easy Operation

CONS

  • A Little Loud

Floods can definitely be a real pain and something you need to deal with. If you don’t want to suffer from high humidity, you might need to consider a dehumidifier to assist you.

The AlorAir Commercial Water Damage Restoration Dehumidifier is a great option for homes that definitely need some water damage restoration.

The unit includes the auto defrosting system and can be used in extremely low temperatures.

It also does not need a lot of maintenance and will automatically dispose of any moisture. According to the manufacturer, it removes around 85-pints of moisture from the air per day. We would recommend it for smaller homes.

Verdict

It being a bit loud, but also a low maintenance unit with other benefits we would recommend it for small homes.

7. BlueDri BD-76 Crawl Space Dehumidifier

Best Industrial Dehumidifier​

SPECIFICATIONS

  • Air Flow: 235 CFM
  • Refrigerant: R410A
  • Noise Level: 60 dB
  • Safety Certification: C-ETL-U
  • Filter: Washable Mesh Filter
  • Power Cord: 25.3 ft
  • Temperature: 33-100℉
  • Operating Voltage: 115V
  • Operating Current: 7.3A
  • Weight: 81 pounds
  • Dimensions: 19 x 20 x 32 in
  • Warranty: 5-year

PROS

  • Automatic Water Pump
  • Commercial grade construction
  • Ideal for Water Damage Restoration
  • Digital Panel
  • Compact Electrical Control
  • Auto Restart
  • RH and temperature sensors
  • Designed with Heavy Duty Roto-Mold Technology
  • Convenient to use

CONS

  • Quite Expensive

Once again, we have another dehumidifier that can be used to cover your entire home and keep your humidity under control.

The BlueDri BD-76 Industrial Commercial Grade Large Dehumidifier has massive 70-pint capacity and it can remove up to 150 pints of water per day. It features a stylish display that makes it much easier to control.

One of the best features is that the unit is almost completely automated. It will dispose of the water on its own and should anything happen, it automatically starts back up.

You simply need to install it and you will be ready. The downside is that the unit is quite large and takes up a lot of space that you could have utilized.

Verdict

It being completely Automatic you just have to simply install it and it is ready to be used without any hindrance.

8. Inofia CFT4.0D Crawl Space Dehumidifier​

SPECIFICATIONS

  • Air Flow: 647 CFM
  • Refrigerant: R410A
  • Temperature: 41-95°F
  • Operating Voltage: 110-120V
  • Maximum Wattage: 1400W
  • Operating Current: 12A
  • Weight: 105.8 pounds
  • Dimensions: 23.4 x 21.7 x 38 in
  • Warranty: 1-year

PROS

  • Auto Defrsot
  • Easy to transport
  • Intelligent control panel
  • Dent-resistant Metal Housing
  • Smart Dehumidification
  • Easy Operation
  • Automatic Humidistats
  • Auto Error Detection
  • Restarts Automatically
  • Low Temperature Operation
  • Reasonably priced

CONS

  • Setup takes a little more time than expected

If you are looking for something that will definitely work and get the job done, you won’t need to look any further than the Inofia Dehumidifier.

It is rather large and comes with wheels for transportation, but once set up, it can remove up to 232 pints of water per day. Additionally, it includes the defrost setting that many like.

The design is what we love the most and it looks a little different than one is used to. You have a stylish system and an intelligent control panel.

This will give you all; the readouts and ensure that you completely understand what you need to do. It is also priced quite reasonably for all the features that are included.

Verdict

It take more time for installation than others. But looking at it’s other features and reasonable price it is quite an option.

9. AlorAir Storm Elite Crawl Space Dehumidifier

(Best Portable Dehumidifier)

SPECIFICATIONS

  • Air Flow: 647 CFM
  • Safety Certification: R410A
  • Refrigerant: R410A
  • Temperature: 41-95°F
  • Operating Voltage: 110-120V
  • Maximum Wattage: 1400W
  • Operating Current: 12A
  • Weight: 105.8 pounds
  • Dimensions: 23.4 x 21.7 x 38 in
  • Warranty: 5-year

PROS

  • Portable design
  • Removes 270 pints per day
  • Covers 3,000 square feet
  • Easy to set up
  • Corrosion-Resistant Aluminum Coils
  • Easy Handling
  • Set it and Forget it
  • Can be Used in Basement
  • Simple to use Interactive Display
  • Low Maintainance

CONS

  • Quite Expensive

The dehumidifier might be perfect in one spot, but occasionally, you will need to move it around.

Since they can be a little heavy to move, the AlorAir Storm Elite Commercial Dehumidifier is an excellent option to consider and it comes with large wheels to make the transportation easier. It covers up to 3,000 square feet and can remove up to 270 pints per day.

Once again, you never need to worry about the durability of the unit and it has specifically been designed to give you the best durability.

It has been priced reasonably and much like some of these other dehumidifiers, it comes with a 5-year limited warranty. We recommend it as the best portable option.

Verdict

One of the best durable commercial as well as crawl space dehumidifier compared to others in it’s class. Best portable unit out there.

10. Tosot 70 Pint Crawl Space Dehumidifier

(Best Budget Option)

SPECIFICATIONS

  • Air Flow(H/M/L): 206/185/165 CFM
  • Sound Level: 48dB
  • Bucket Capacity: 16 Pints
  • Operating Voltage: 115V
  • Maximum Wattage: 710W
  • Operating Current: 6.2A
  • Weight: 51.8 pounds
  • Temp. Range: 41-90°F
  • Dimensions: 14.8 x 11.4 x 24 in
  • Warranty: 1-year

PROS

  • Durable Construction
  • Covers up to 4,500 square feet
  • Removes 70 pints of water per day
  • Easy to set up
  • Smaller Design
  • Easy Handling
  • Set it and Forget it
  • Quiet
  • Affordable
  • Low Maintainance

CONS

  • Not Ideal for Large Homes

Last but certainly not least, we have the Tosot 70 Pint with Internal Pump Energy Star Dehumidifier.

This unit has been designed to be a little smaller and it will work for some of your smaller crawlspaces. It comes with a coverage area of around 4,500 square feet and the unit will remove up to 70 pints of water or moisture per day.

The unit itself is one of the quietest units you will find on the market today. However, it still gets that job done when you have it placed in the right places.

Verdict

It has been priced reasonably and we would definitely recommend it as one of the best budgets buys on the market today.

Things to Consider While Buying a Crawl Space Dehumidifiers:

It might seem easy to simply pop into a store and buy a dehumidifier. However, they are not all equal and some of them have completely different features that you won’t need. To ensure that you find the right dehumidifier for crawl spaces that you will actually be using, here are a couple of important things you need to keep in mind when buying:

  • Crawl Space Size:​

If you have smaller crawlspaces, you only need a smaller dehumidifier to get the job done. It will be a complete waste of time if you try to use a small dehumidifier for a large crawlspace and a waste of money when you are using a large dehumidifier for a small crawlspace.

So, while buying a perfect dehumidifier that suits your need you should always consider your crawl space size.

  • Capacity:​

The capacity of the amount of moisture that can be removed per day is also fundamentally important to keep in mind. Having the ability to remove a lot of moisture per day might be more expensive, but it reduces the chances of mold and mildew actually setting in. 

Wrap-Up:

All of these units have been designed to help control the humidity in your home. Instead of suffering from mold and mildew, your crawl spaces can now be looked after and cared for with the best crawl space dehumidifier (as per your requirement). We highly recommend all above dehumidifier for crawl spaces for the quality and the value they offer. Now, it is your turn to let us know in the comment section which of these options you like.