Best Dehumidifier For Crawl spaces 2020 – [ Reviews and Buyer’s Guide ]

Excess humidity is a problem everywhere and needed to be solved on a priority basis, but then they are spaces that are dangerously humid and hard to dehumidify for their structural features. To find the best dehumidifier for crawl spaces demands you to be wise.

best dehumidifier for crawl spaces

Humid crawl spaces can be a source of odor at your home but there is much more than odor. Humid crawlspaces weaken the base of your home, can damage the structure of the building and most of all these are hub od molds, mildews, and allergens. And you cannot expect these harmful and disease-causing agents to not spread.

Looking for a dehumidifier for your crawlspace is entirely a different thing, it is not the same as one for the home. Mostly these are highly humid than the other parts of the home and the division of space is different.

 Low temperature and high humidity in crawl space 

The fact that makes it different and difficult to find a dehumidifier for crawlspaces is “Low temperature and high humidity”. Mostly the temperature and humidity are directly proportional to each other. But crawlspaces have comparatively low temperatures and more humidity than other parts of the home.

The other contributing factor to this problem is; most often dehumidifiers don’t work at low temperatures. Because they aren’t required to do so. Collectively these all issues make it difficult to find the best dehumidifier for your crawlspace.

Best Dehumidifier for crawl spaces 2020- Reviews

 

IMAGE PRODUCT DETAILS
AlorAir

 

ALORAIR SENTINEL HDI90
  • HGV defrosting
  • Epoxy coating
  • Energy saving
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Aprilaire1830

 

APRILAIRE 1820
  • Corrosion-resistant
  • Energy-star rated
  • Durable
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Santa Fe advance

 

SANTA FE COMPACT70
  • MERV-13 filter
  • Digital humidistat
  • 6-year warranty
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Dri-EAZ F413

 

DRI-EAZ F413
  • Temperature display
  • Humidity display
  • Energy saving
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AlorAir LGR 85

 

AlorAir B07P98YKDW
  • LED display
  • Epoxy coating
  • HGV defrosting
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Ivation

 

Ivation IVALDH70PWWP
  • 2-Fan speed
  • Clean filter alert
  • 24-hour timer
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Tosot

 

Tosot GDN30AZ-A3EBA2C
  • Ultra-Quiet
  • Built-in humidistat
  • Energy-star rated
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1. ALORAIR SENTINEL HDI90

best dehumidifier for crawl spaces
  • Area- 2, 600 Sq. Ft
  • Capacity- 90Pints
  • Dimensions- 2×15.2×17.7 inches
  • Weight- 57.3pound
  • 5-year warranty
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This is the best possible choice for your damp dehumidifier. It has unique features for improved efficiency and quality. The hot gas valve defrosting systems (HGV defrosting) enables this dehumidifier to defrost quickly, so it can work more efficiently at low even extremely low temperature. The epoxy coating ensures the quality by protecting it from corrosion and consequently increases its lifespan.

It is hard to trust electronic appliances for their longevity, but this dehumidifier comes with a long 5-year warranty. Drainage is also not a mess as it has built-in-pump. Attach a hose for continuous drainage and you don’t need to panic for emptying the tanks or dispensing water. It is energy-star certified, which is definitely an unavoidable feature.

Ducting options make it able to work in divided places. Water full protection prevents water spillage and consequently, a lot of mess is avoided. Automatic humidistat control frees you from continuous supervision. The most unique feature is its remote-control feature (optional). It supports the system if you want it to control by remote. Remote isn’t included, you will have to buy the one.

Pros
  • hot gas valve defrosting systems (HGV defrosting)
  • Epoxy coating
  • Built-in humidistat
  • Energy-star certified
  • Quiet
  • Built-in pump
  • filters
  • Remote-control
  • Low-temperature operation
Cons
  • Customer service needs improvements

2. APRILAIRE 1820

best dehumidifier for crawl spaces
  • Area- 5, 200 Sq. Ft
  • Capacity- 95Pints
  • Dimensions- 5×12.5×17 inches
  • Weight- 87 pounds
  • 5-year warranty
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The most efficient and user-friendly dehumidifier that you get for your crawl space. It covers a large area of 5,200 square ft. Its capacity to remover water is as high as 95 pints. Other models are also available with varying capacity and price.  Low-temperature operation enables this dehumidifier to work efficiently at low temperatures.

The set it and forget it feature maintains the humidity level according to your desire once you set the desired level, making continuous supervision unnecessary. Corrosion-resistant aluminum coils ensure quality and long lifespan.

The hose is included and there is no need to dispense water time by time, just attach the hose and forget it. you are done!  It will be humble to say it easy to maintain, it almost requires no maintenance. Most filters require cleaning once in a month but for this dehumidifier, you need to clean the filter only once in a year. So, what do you think, I was right about saying almost no maintenance is required? Along with all these fascinating features, you get a long 5-year warranty. What a peace of mind.

Pros
  • Built-in humidistat
  • Corrosion-resistant aluminum coils
  • Air filters (once per year cleaning requirement)
  • Different sizes available
  • Low-temperature operation
  • Built-in pump
Cons
  • Expensive

3. SANTA FE COMPACT70

best dehumidifier for crawl spaces
  • Area- 4, 500 Sq. Ft
  • Capacity- 70Pints
  • Dimensions- 5×19.5 inches
  • Weight- 80 pounds
  • 6-year warranty
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This compact dehumidifier is a perfect choice for damp crawl spaces. It can remove water even from the tough places where the place is divided into parts. The built-in pump makes continuous drainage easier.

This doesn’t require your continuous attention. The built-in humidistat set you free from panic about settings again over again. Set your desired humidity and it will work to maintain your desired humidity level and will work accordingly it rises or falls from your fixed level.

It is energy star certified and will definitely save you from horrific electricity bills. Attach a hose and get continuous drainage, et yourself free from that heavy-duty of emptying water tanks.

The most important and unique feature is its MERV-13 filter. These filters give a superior level of filtration which ensures the air to be highly pure and fresh. The auto-defrost feature enables this dehumidifier to work best even at low temperatures.  The long cord makes extension unnecessary and a long hose makes drainage easier. And with all this perfection, it comes with a 6-year warranty. Who can say no to all these features?

Pros
  • Auto-defrost
  • Built-in pump
  • Integrated humidity control
  • MERV-13 filter
  • 6-year warranty
  • Energy-star certified
  • Long cord and long hose included
  • Extremely quiet
Cons
  • Little expensive

4. DRI-EAZ F413 REVOLUTION

best dehumidifier for crawl spaces
  • Area- 7, 000 Sq. Ft
  • Capacity- 135Pints (17gallons)
  • Dimensions- 5×21.5×12.5 inches
  • Weight- 67.8 pounds
  • 6-year warranty
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This product has been designed to cover too large and damp spaces. Not only in the crawl spaces at home, but you can also place it and use it for crawl spaces in commercial and industrial buildings.

Durability is its instinctive property, as its raw material includes polyethylene. Real-time inlet and outlet temperature and relative humidity display update you about the current conditions and you can fix the settings accordingly.

The power outage is a common problem but it won’t be disturbing for you. you don’t need to fix the settings again and again, as its auto-restart feature enables it to start automatically from where it left, after a power outage.

You can fix your desired humidity level, as it has a built-in humidistat. It works efficiently at low temperatures.  A long hose is included which sets you free from the irritating duty of dispensing water.

3M HAF High Airflow Filter makes the air as pure as you can think of it. Molds and mildews can get no chance to grow where there is this dehumidifier. a long cord makes it easy to place anywhere, you don’t need to place it near switchboard necessarily. The cord itself will get access to that, as it is long enough.

Pros
  • Low-temperature operation
  • 3M HAF High Airflow Filter
  • Real-time inlet and outlet temperature
  • Relative humidity display
  • Built-in pump
  • Built-in humidistat
  • Long hose and long cord
  • Best for too large and damp places
Cons
  • Few complaints about the switch

5. AlorAir B07P98YKDW

best dehumidifier for crawl spaces
  • Area- 3, 000 Sq. Ft
  • Capacity- 85Pints
  • Dimensions- 8×13.7×17.3 inches
  • Weight- 78 pounds
  • 5-year warranty
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This dehumidifier comes with a built-in pump, which makes the drainage easier. it comes with plenty of features; it won’t be wrong to say that it almost has all features in one unit which mostly are the specification of different dehumidifiers.

Digital humidistat control makes it easy for you to maintain the desired humidity level.  A timer sets you free of continuous supervision, once you fix the setting you don’t need to change it again over again.

Hot gas valve defrosting systems (HGV defrosting) is the most efficient and quick system of defrosting. It prevents the internal unit from freezing and enables the dehumidifier to work efficiently even at extremely low temperatures.

The epoxy coating keeps it safe from corrosion, hence it enhances its quality and increases its lifespan. Bright LED display keeps you update from current temperature and humidity levels.

A long hose and a long cord make it user friendly and easy to use. Air filters ensure the purity of air.

Pros
  • Hot gas valve defrosting systems (HGV defrosting)
  • LED display
  • Temperature and humidity update
  • Built-in humidistat
  • 5-years warranty
  • Built-in pump
  • Epoxy coating
  • Long cord and long hose
  • Energy-star rated
Cons
  • Few complaints about delayed customer service

6. Ivation IVALDH70PWWP

Ivation
  • Area- 4, 500 Sq. Ft
  • Capacity- 70Pints
  • Dimensions- 4×10.8×23.2 inches
  • Weight- 39.7 pounds
  • Water tank- 2.25gallons
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This beautifully designed dehumidifier is energy-star certified, which ensures low power consumption. It has built-in humidistat which enables you to maintain the humidity level according to your comfort level.  It has an auto-defrost feature, so it can work at low temperatures. The Auto-restart feature enables it to continue after a power break. Auto shut-off feature turns the device off when the water tank is full.

LCD shows you the exact humidity level of the place so you can fix the settings accordingly.  24-hour timer frees you from fixing the settings again over again. Put in your settings for 24hours and forget it, just enjoy the pure air.

2 Fan speed adds flexibility, you can switch between regular and turbo mode anytime. Continuous drainage can be attained by attaching the hose. A long cord makes it easy to fix, you don’t need to place it near switchboard necessarily. Washable air filters prevent allergens to be in the air. Clean filter alert makes the maintenance easy as you don’t need to check it yourself if the cleaning is needed or not.

Pros
  • Auto-restart/ shut-off/ defrost
  • Energy-star rated
  • Built-in humidistat
  • 24-hour timer
  • Built-in pump
  • 2Fan speed
  • Long cord
  • Clean filter alert
Cons
  • Little noisy

7. Tosot GDN30AZ-A3EBA2C

Tosot
  • Area- 1, 500 Sq. Ft
  • Capacity- 30Pints
  • Dimensions- 7×20.7 inches
  • Weight- 33.9 pounds
  • Water tank- 1gallon
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This is the best dehumidifier if for medium-sized crawl spaces. It is beautiful and efficient. The unit automatically shuts off when the water reservoir is full with auto shut-off feature. And the unit automatically turns on and continues to start work with previous settings after a power outage.

It is energy-star certified so there is no space for heavy bills. As it comes with a built-in humidistat, you can fix the desired humidity level and it will maintain that. When it will reach your desired humidity level, the device will stop working. And it will continue to dehumidify again when the humidity level rises again from your fixed level.

Continuous drainage can be attained by attaching hose simply, but the hose isn’t included in the package. It offers a 1-year warranty.

Pros
  • Auto-restart/shut-off
  • Energy-star certified
  • Washable air filter
  • Built-in humidistat
  • Ultra-Quiet
  • Easy maintenance
Cons
  • A few complaints about hose screw

Buyer’s Guide

Here is your priority list to buy the best dehumidifier for crawl spaces.

 Continuous drainage option 

The humidity levels are higher in crawlspaces that means dispensing water will be a more frequent requirement if your dehumidifier only offers dispensing through water tanks. Isn’t it uneasy to think about? Frequently going to the crawlspace to empty the tanks? For crawlspaces, you must check if your dehumidifier offers the option for continuous drainage or not. always give priority to the one that offers the option of continuous drainage.

 Water removing capacity and size compatibility 

The size of a dehumidifier is described in terms of its water removing capacity per day. the more area you want to dehumidify, the larger capacity you need. But as crawlspaces are more humid, you should always prefer the higher capacities as compared to other places. If the 3,000 square feet area requires 30pints dehumidifier at home, for crawlspace the same area will require 50pints dehumidifier.

 warranty 

Mostly the dehumidifiers which are best for crawlspaces are expensive than others. Of course, they worth your money as they have to work more efficiently for crawlspaces. But there is always some uncertainty and insecurity about electronic appliances. To cope with this uncertainty, while you are paying sufficiently, you must look for a warranty. It should offer some reasonable warranty for your security and satisfaction.

 Auto-defrost/ Low temperature operation 

This is the most important thing about choosing the best dehumidifier for crawlspaces. Most dehumidifiers are designed to work at high temperatures. But in crawl spaces, you face a different issue. Low temperature and high humidity! it is important to check for the auto-defrost feature. This feature enables dehumidifiers to work at low temperatures.

Frequently asked questions (FAQ)

1. Can I put a regular dehumidifier in my crawl space?

There are some dehumidifiers that can efficiently work in crawl spaces as in other parts of the home. They are designed to work anywhere. But for best results, you should buy the one which has specified qualities to work in crawl spaces and is known to be the best dehumidifier for crawl spaces.

2. What is the ideal humidity in a crawl space?

The humidity range which is not damaging is 30-60. In this range, you can set any humidity level in your crawl space with the help of your dehumidifier, according to your comfort.

3. Why are crawl space dehumidifiers so expensive?

The humidity level is mostly high in crawlspaces than the rest of your home. This requires upsizes of dehumidifiers. The structure of crawlspaces also requires more efficient and durable dehumidifiers. To meet these requirements, dehumidifiers for crawl spaces are designed with more durability and efficiency. This makes them expensive.

4. How do you get rid of humidity in a crawl space?

With a dehumidifier, you can get rid of humidity in crawl spaces. It will not only dry your crawls space but it will also dry all the things you have kept or placed in your crawl space.

5. Why does my crawl space smell like sewer?

This is a common problem and the reason is high humidity. Generally, the humidity is high in crawlspaces and water leakage can be an additional factor. High humidity itself is the reason for bad odor, moreover, there is a high rate of growth molds and mildews when the humidity is high, and they produce a very bad smell. By maintaining the humidity level in optimum rang in your crawl space, you can get rid of all these problems. And to maintain the optimum humidity level, the best dehumidifier for crawl spaces can help you.

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