The need for the best dehumidifiers for crawl space: You would agree with me that houses with crawl spaces have been increasingly built of recent due to the significant benefits of getting the house off the ground. If at any time you find yourself in one, then you would enjoy the benefits of course, but you would also have to deal with the disadvantages that come with having a crawl space.
They (crawl spaces) quickly gather up moisture due to its grounded position under the house plus serving as storage of many heat-related types of equipment, hence leading to the unhealthy growth of microorganisms and harboring of rodents. For this reason, it is only thoughtful and beneficial to have the best crawlspace dehumidifier, which would allow you to enjoy all the benefits without any downsides.
There are several excellent options on crawl space dehumidifiers on the market today, but be ready to spend a bit in order to get one. The best dehumidifier for crawl space is not necessarily the most expensive ones, but are preferably on top due to performance-related qualities.
Based on performance, we have drawn up the top 5 products as we deem fit for crawls spaces, for you to choose from in this article.
What type of dehumidifier do I need for crawl space?
Unlike the best dehumidifier for cold basement, best dehumidifiers for dorm rooms, dehumidifiers needed for crawl spaces are not the regular portable types you use are used to, as placing those type of products in a crawl space would simply damage it, while the moisture extraction capacity wouldn’t have made a dent in the humidity level anyway.
Therefore, there is rugged compact, and high moisture extraction dehumidifiers that are suitable for crawl spaces, they are fondly known as commercial dehumidifiers. In purchasing a unit for crawl spaces, it is important you consider only commercial dehumidifiers only.
Crawl space dehumidifier sizing: what size dehumidifier do I need for my crawl space?
Depending on the size of your crawlspace, it is vital to purchase a unit that can serve you efficiently, boasting an enormous room size capacity, even far above the recommended product for your room space.
This is due to the fact that the moisture content of crawl spaces are really high than that of typical environments; therefore it is thoughtful to get a dehumidifier that can do better than your crawlspace size in order to balance the high rate of buildup.
Top 5 best dehumidifiers for crawl space
Special features: HAF filter, commercial-grade, temperature and relative humidity display with touch controls, rugged rotomolded housing, dimensions; 12.5 x 12.5 x 12.5 inches, item weight; 61 pounds.
On seeing the price tag of this unit, many might be put off immediately, but when you consider the quality and the features, it brings to the table, in the end, that high tag is more than worth it.
We are considering dehumidifiers for crawl space; therefore the regular fancy unit you may be used to just wouldn’t cut it, because when placed in such torrid condition as that of a crawlspace it wouldn’t last a pinch of its regular life span.
This unit, on the other hand, is designed with a rugged rotomolded housing that enables it to go through whatsoever environment it finds itself in.It is a commercial-grade dehumidifier that has been designed to thrive in poor environmental conditions, without neglecting any of the distinctive features of a regular unit.
It possesses a digital screen, whereby the environmental temperature alongside its relative humidity is measured and displayed in. There is also a built-in humidistat that is programmable for the user to set a specific humidity level as required by the crawl space, after which the unit takes care of the rest. The small size of the unit helps it fit into small spaces in the home.
With a moisture extraction rate of up to 17 gallons of water per day, this unit’s performance is actually jaw-breaking, and it can serve vast room spaces of up to 7000sqft. That’s unlike any domestic portable dehumidifier you have ever seen. Due to this, it is able to draw a crazy amount of moisture from the atmosphere, and even from moist surfaces, like your wet ground or wooden tables.
There also exists a pump built into the device, that functions automatically (using a water tank would make no sense as it would fill it up in no time), draining the water out after condensation to wherever your channel too. The unit doesn’t have a water tank.
There is also an auto-restart function to kick the machine back into operation with the same parameters as to when it went off in cases of a power outage.
To further encourage buyers from around the world, the manufacturers have included an impressive lifetime limited warranty on the housing of the unit (which almost never gets damaged due to ruggedness) and a six-year warranty on the units refrigeration system. Therefore if you at all choose to invest in this product, there is a sure bet to expect a befitting performance and lifespan for your money.
Special features: rugged rotomolded housing, compact, digital touchpad controls, product dimensions; 12.5 x 12.5 x 17.6 inches, item weight; 63 pounds, straphangers.
Another dri-Eaz product on our list is the PHD 200, and you couldn’t blame us for picking another, as over 70% of water damage restoration professionals make use of their product, and it isn’t because of the fancy brand name.
Like the revolution LGR, this unit is built with much compact and is very portable enough to fit into tight spaces, making it very suitable for your crawl space. There also exists an option to mount the unit at a point higher than ground level due to the presence of straphangers that can easily be hooked.
The unit possesses a digital display touchpad, with controls in 5 different languages, which is a convenient feature to have, seeing the customer pool is worldwide, and the display screen showing the immediate atmospheric humidity level of the environment at all times.
As pertaining to moisture extraction rate, the device is able to pull out up to 16 gallons of water from the air per day, which is very impressive although it falls below the revolution LGR type in that regard, and can serve much spaces in the home.
An auto-start function exists in its build-up, coming on at a set duration, while it is able to always retain the previous user preferences in case of a power outage after a restart.
There is also a built-in water pump that immediately drains condensed water from the units system, into an outlet. Therefore the unit doesn’t contain a regular water tank like most portable dehumidifiers. With a rugged rotomolded compact design, this device is able to survive in the harshest conditions, like the ones in your crawlspace.
The exclusive Dry-Eaz warranty that comes with most of their products also covers this model, with a lifetime warranty on the units housing, six years on its compressor coils and one year for house and labor.
The unit is straightforward and convenient to use and comes with enough features to enable it run exclusively from the user, therefore a good buy for any home.
Special features: HGV defrosting system, dual airflow outlet, four adjustable wheels, product dimensions 11.8 x 10 x 0.4 inches item weight; 57.3 pounds, compact.
This is another excellent product as regarding the best dehumidifiers for crawl spaces, having a very compact design and small size, therefore making it easy to fit into small spaces.
At the top side of the unit are two handles that allow easy mobility around the home, although carrying wouldn’t be a piece of cake, as it weighs 57.3 pounds. As an alternative, adjustable wheels are present, therefore giving the user the option of wheeling it around instead of direct lifting.
The device like most on our list so far is able to draw in a large amount of moisture per day, up to 90 pints, which is a really impressive quantity, while built with internal anti-corrosion protection that keeps the pipes and other system in good condition despite the high level of condensation involving minerals in the unit.
it doesn’t come with a digital display though, which is a real let down, though it makes up for that in the presence of a remote control system, with the remote itself available for purchase separately.
A filter is installed in the unit, which is washable and easily maintained, hence no need for a regular change that incurs more running costs, and the unit is designed with an anti-frost system which is able to keep the components working even under temperature conditions as low as 330F.
With a capacity ready to serve up to 2,600sqft room sizes, this unit would work well in most crawl spaces, and its double-sided air outlet design also makes it suitable for places up in the home.
The auto-restart function is also present in this unit, hence further making stress-free the user experience, while it comes with several warranty packages to sweeten the deal. Customers are with a variation of 5 years, three years or a year, with limited conditions and benefits across each package.
Special features: commercial dehumidifier, compact, HGV defrosting, waterproof, stackable design, digital display with touch button control, epoxy powder coating on coils, dimensions 22.8 x 13.7 x 17.3.
The LGR 85 commercial dehumidifier comes with a simple but efficient design, being very compact and possesses handles at the top side for smooth movement around the home depending on the user’s area of need.
It features a complete seal circuitry, hence water-friendly and resistant; therefore, it can be used in cases of flood situations, which is an outstanding benefit for a crawl space dehumidifier.
Its design enables several of this item to be stacked on one another in cases of combined efforts from more than one of the unit, while an extra-long power cord gives you more convenience in relocating the unit without having to deal with looking for a new power outlet first.
It has a high level of moisture extraction rate, averaging up to 1.625 gallons per day, which is pretty useful and would serve your extremely humid needs.
A water pump is also built to balance the high moisture drawing, hence condensation rate, with a capacity to push the water as far as 10 feet at least, to a suitable destination.
Underflow temperature conditions, the HGV anti-frost system kicks in, hence enabling the unit to keep running, even at degrees as low as 20C. This comes in really handy during winter seasons. The auto on/off or timer feature of the unit allows the user to choose its starting and stopping time, and hence more flexibility on usage.
Filters are also built-in, that lasts for a great deal of time, after which they would have to be replaced, and though not very often, it still adds to the overall cost of operation with time.
It is able to serve large sized rooms of up to 2.300sqft, hence suitable for your needs though it’s less than most others on our list.
Special features: corrosion resistant coils, item weight; 56 pounds, dimensions; 25 x 12.5 x 12.5 inches.
The last product on our list is the Aprilaire 1820 dehumidifier, specially designed for crawl spaces and does an excellent job in keeping moisture levels low, hence hindering the growth of molds, mildew and other microorganisms in the home.
It is minimal in size and compact, being able to fit into small spaces and has a very rugged design that ensures its durability. The unit weighs about 56 pounds and doesn’t come with carrying handles, hence lifting might be a little problem, alongside mobility around the home.
It is able to serve spaces of large sizes, with a capacity up to 2,200sqft, while drawing in about 70 pints of water into the atmosphere per day. The coils are built to last, with corrosion-resistant materials, hence ensuring their durability over a long time, and it comes with a built-in drain pump which is able to drain water directly over a distance to your desired location, saving you the stress of having to empty a water tank every now and then.
With a humidity control system or programmable humidistat, the unit can be set to maintain a particular level of humidity, after which it is then allowed to monitor and control the moisture level, not allowing it rise beyond your settings. It makes use of built-in filters, which does the work of filtering the air, hence adding cleaning alongside its dehumidifying ability.
Despite all these cool features, the unit lacks a timer, which is a low side compared to other crawl space dehumidifiers on our list, but it does a good job overall, and it is easy to use. There also exists a warrantee package on the purchasing the product, covering you for five years in case of failures and faulty products.
Considerations for choosing the best crawl space dehumidifiers
- Moisture extraction rate:
Considering the fact that the unit would be used in virtually the most humid environment in the home, it’s only logical that boasts a large moisture extraction capacity as much as possible. We recommend it be a minimum of at least 10 gallons of moisture per day, although going for a unit with higher levels is preferable.
- Crawl space capacity:
The unit should be able to serve large sized areas, depending on the area of a crawlspace in your home.
- Auto drain with pump:
This is another very essential factor and is a must-have for units generally that is to be used in crawl spaces. The pump ensures that a unit can be left in those tight crawl spaces, and from there push condensed water out instead of you having to reach out to remove the tank anytime it is filled in the absence of a pump.
- Programmable humidistat:
This is another essential feature that allows you to choose a humid level, allowing the machine to do the rest by automatically maintaining that set humidity.
How much does a crawl space dehumidifier cost?
The price ranges of crawls space dehumidifiers depend on the qualities it has to offer on performance. Expensive product is always those with a rugged design and more importantly, a high level of moisture extraction rate while possessing an auto drain pump for easy water outlet.
There are also cheaper ones, though, but for a functional unit, it would cost nothing less than a thousand dollars, but it is worth the investment.
Also Read: Best dehumidifier for grow rooms
Crawl space dehumidifier installation: how much does it cost to install a dehumidifier in a crawl space?
Installing the humidifier after purchase would incur extra costs, with professional installing almost costing as much as the unit sometimes, and could be as high as $1,500 to $2,000, depending on the area you reside and the service provider.
How to get rid of moisture on crawl space: a step by step guide
Stop water from getting into the crawl space by repairing leakages, including insulating cold water pipes and also foundational cracks.
- Dry out the crawlspace by removing sources of moisture and stagnant water with a good crawl space dehumidifier.
- Clean up crawl space, eliminating wet insulations and debris, also get professionals to clean up molds and mildew that have accumulated over time.
- Keep moisture out of your crawl space using a crawls space encapsulation, and install a powerful dehumidifier to remove and prevent further moisture build up in the area.
Our Final thought on Picking the best crawl space dehumidifiers
Having a dehumidifier for your crawlspace is very important. Therefore we would recommend the Dri-Eaz Revolution as the best type of dehumidifier for you. This is primarily due to its compact, rugged build, alongside an extremely high moisture extraction rate.
On the other hand, going for the Dri-Eaz PHD 200 would also be a right choice, as it possess a proper moisture extraction though lower than the revolution model, its ability to serve huge rooms also speaks volume for its position on our list.