Best Crawl Space Dehumidifier

3 Best Crawl Space Dehumidifier You Should Obtain [2022 Updated Guide]

Obtaining a dehumidifier for your house has started to become an essential part, rather than being an optional choice after the latter was the widely known fact for years.

The need for such important machines is increasingly demanded by those living in humid areas.

Why? It’s due to the fact that a dehumidifier is solely responsible for removing the humidity inside your house, thus helping get rid of the mold and other harmful allergens.

Crawl Space is one of the neediest spots when you discuss which rooms are in need of a dehumidifier.

Mr.Walt (or Heisenberg) in the famous TV series “breaking bad” hid the money he made from his “other job” in his crawlspace, and wrapped it in a protective covering because those areas are more prone to humidity.

This -among other important reasons- shows the importance of obtaining the best crawl space dehumidifier, especially that mold and other irritating rotted wood parts usually reside in this area of the house.


Why Is It Important to Obtain the Best Crawl Space Dehumidifier?

Crawl spaces aren’t usually ventilated well if ventilated at all, which opens the way for mold, rot, and other terrible issues to rise to the surface (literally).

And without providing a real solution, the rot and mold will find a way to gradually and steadily grow themselves into more dangerous issues.

Therefore, you’ll need to obtain a machine that stops all of that in their tracks, and that’s the job of the best crawl space dehumidifier.

The Crawl Space is similarly humid when compared to bathrooms and garages, that’s why at CleanersAdvisor I have prepared a list of best bathroom dehumidifier machines, and another list of best garage dehumidifier machines.


How Does Best Crawl Space Dehumidifier Work?

Once you install the under house dehumidifier, it works mainly on providing moisture-free air inside the crawl space.

This works via sucking away the humid air, separating the moisture from the air, and sending the dry air back in the same place that had the humid air.

Where does the moisture go? Into the machine’s tank, since there are usually no drainage spots in the crawl space.

Mainly, it’s not about the crawl space dehumidifier installation but about obtaining the proper crawl space humidity level controller.


What to Look for in the Best Crawl Space Dehumidifier?

  • Special Dehumidifiers Made for Crawl Spaces
  • How Large is the Area That Need Dehumidification?
  • Does the Machine Fit in that Space?
  • Great Extraction Performance
  • Defrosting Feature
  • Does it Provide Heating Too?
  • Warranty

Best Crawl Space Dehumidifier by Feature

AlorAir Commercial Dehumidifier with Pump Drain Hose AlorAir Commercial Dehumidifier with Pump Drain Hose Best for Large Areas Check Price
Aprilaire 1820 Crawl Space Dehumidifier 70 Pint Aprilaire 1820 Crawl Space Dehumidifier 70 Pint Best for Medium-Large Sized Areas Check Price
AlorAir Basement-Crawl Space Dehumidifiers 120 PPD AlorAir Basement/Crawl Space Dehumidifiers 120 PPD Best for Small Areas Check Price

1. AlorAir Commercial Dehumidifier with Pump Drain Hose

AlorAir Commercial Dehumidifier with Pump Drain Hose

AlorAir Commercial Dehumidifier with Pump Drain Hose Review

Ahmad Jamal

Overall Score
92%

Summary

The AlorAir Commercial Dehumidifier is the best crawl space dehumidifier with pump that’s made specifically for large areas, as it provides excellent performance that covers up to 2.3K square feet of crawl space.
This is also the best commercial dehumidifier, featuring an enormous 210 Cubic Feet Per Minute airflow capacity.

92%

AlorAir Commercial Dehumidifier with Pump Drain Hose Features

Powerful Extraction Power

To suit the commercial use of this best crawl space dehumidifier with pump, the AlorAir Dehumidifier provides up to 85 pints of daily extraction.

It’s also very energy-saving too, according to the pessimistic reviewers above all.

Pump Drain Hose

The AlorAir Dehumidifier comes with a 20 feet built-in pump that increases the flexibility of the machine and allows you to install it nearly anywhere inside the crawl space.

This pump drain hose provides a great addition in case you are tired of the continuous emptying of the dehumidified water into the sink.

Helpful Options

The AlorAir Dehumidifier enjoys two helpful options as well, with the auto-restart that helps when the power goes down then up again, you won’t need to set up anything back again, it auto restarts to the same power settings before the power cut.

Moreover, the AlorAir Dehumidifier also enjoys an auto-defrost feature providing a much-needed option on the cold days of the year.

5-Year Warranty

I’ve always said that the more confident the manufacturer with their machines, the more years they’ll add to the warranty

The AlorAir Dehumidifier enjoys a 5-year warranty, which is a huge indication of the confidence they have & how well-made their machines are.

Heavy + not quiet

Despite the benefits this machine provides, it has some drawbacks as well.

It is too heavy at nearly 80 pounds, and the aforementioned pessimistic customer who reviewed the AlorAir Dehumidifier complained about the noise it makes when operating.

AlorAir Commercial Dehumidifier with Pump Drain Hose Verdict

This AlorAir Dehumidifier is the best crawl space dehumidifier with pump, using its 85-pint extraction power, a handful of helpful options, the great drain hose, and a long-lasting 5-year warranty. The only drawback is the heavy build and some irritating operating noise it produces while operating.


2. Aprilaire 1820 crawl space dehumidifier 70 pint

Aprilaire 1820 Crawl Space Dehumidifier 70 Pint

Aprilaire 1820 crawl space dehumidifier 70 pint Review

Ahmad Jamal

Overall Score
91%

Summary

The second best crawl space dehumidifier on our list is the great Aprilaire 1820 Crawl Space dehumidifier, it’s so easy to use, it’s so easy to set up as well, it’s one of the easiest to operate on medium-sized crawl spaces.
It can cover up to 2.2K square feet while obtaining a great extraction power in this medium-sized area.

91%

Aprilaire 1820 crawl space dehumidifier 70 pint Features

Easy to Setup & Use

The Aprilaire 1820 crawl space dehumidifier 70 pint us a great example of how easy manufacturer should build their machines and make them ready to operate ASAP.

You just need to install the machine on level ground, plug in the power cord, set the power (humidity level), and let it do the job for you.

Powerful Performance

Aprilaire 1820 crawl space dehumidifier 70 pint name says it all, it provides an extraction power of 70 pints per day.

This is one of the most important features that made this machine suitable for medium-sized crawl spaces.

Great Build

The Aprilaire 1820 crawl space dehumidifier 70 pint is built with corrosion restraint coils, that keep protecting the machine from breaking down.

This also aided in allowing the machine to operate freely in any type of moist environment.

5-Year Warranty

Similar to the AlorAir Commercial Dehumidifier, the Aprilaire 1820 crawl space dehumidifier 70 pint enjoys a long-lasting 5-year warranty.

The customer reviews I surfed through also complained a little about the warranty since the manufacturers kept their word honest.

No Pump

One of the main drawbacks to this awesome crawl space dehumidifier is the lack of a pump draining hose.

It’s also not built to sustain performance inside a cold temperature, so keep that in mind when obtaining this machine.

Aprilaire 1820 crawl space dehumidifier 70 pint Verdict

The Aprilaire 1820 crawl space dehumidifier 70 pint enjoys one of the easiest crawl space dehumidifier installation & use. It also features a great build with corrosion restraint coils, powerful performance, and a long-lasting 5-year warranty. The main drawback of this machine is the lack of a pump draining hose.


3. AlorAir Basement/Crawl Space Dehumidifier

AlorAir Basement-Crawl Space Dehumidifiers 120 PPD

AlorAir Basement/Crawl Space Dehumidifier Review

Ahmad Jamal

Overall Score
90%

Summary

This AlorAir Dehumidifier is energy star certified, suitable for spaces up to 1.3K square feet.
It enjoys some useful automatic features, in addition to being the best under house dehumidifier for small areas.

90%

AlorAir Basement/Crawl Space Dehumidifier Features

Suitable Extraction Power

The AlorAir Basement/Crawl Space Dehumidifier enjoys 55 pints of daily water extraction, which is suitable for the crawl space humidity level of a small area.

This has aided massively in nominating the AlorAir Dehumidifier as the best for small areas.

Automatic Features

The AlorAir Basement/Crawl Space Dehumidifier features two amazing automated features.

It has auto-defrosting which makes it awesome in the winter when the fans are close to frosting, it automatically gets rid of the new-forming ice.

It also saves the settings once you set them up, so whenever the machine restarts, it automatically restores the previously saved settings.

Internally Protected Build

The AlorAir Basement/Crawl Space Dehumidifier is built with internal corrosion protection, that extends the life of the internal coils, maintaining the heat transferability and the overall operating of the machine.

This feature maintains the overall expected lifespan of the machine as well.

5 Years Warranty

This seems like a feat, doesn’t it? All the machines I’ve picked for the list of best crawl space dehumidifier machines have a long-lasting warranty.

The AlorAir Basement/Crawl Space Dehumidifier has a long-lasting one, similar to the 2 other machines of 5-years.

Lacks Remote Control

Multiple users have complained about the AlorAir Basement/Crawl Space Dehumidifier lacking a remote control to automatically set power options.

However, if you want to acquire one, you’ll have to buy it yourself, instead of obtaining it alongside the machine.

AlorAir Basement/Crawl Space Dehumidifier Verdict

This is the best crawl space dehumidifier for small areas, enjoying a suitable extraction power, a long-lasting warranty, a great robust build, and some amazingly useful features. The only drawback is that you’ll have to buy the machine’s compatible remote control yourself.


Best Crawl Space Dehumidifier FAQ


To Wrap Up

Looking for the Best Crawl Space Dehumidifier isn’t an easy task, but I’ve compiled the best ones for each category of crawl space area, to make this task as easy as possible for you.

AlorAir & Aprilaire are 2 of the best brands to offer the best crawl space dehumidifier machines, and their best models are featured in this article.

Find the one that fits the best with your crawl space, look for the instructions manual, and set it up properly.

If you still have any inquiries about crawl space dehumidifiers, don’t hesitate to leave it in the comment section below, and I’ll get you answered as soon as possible.

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