Best Dehumidifier for Crawl Space

AlorAir Crawl Space dehumidifier certainly excels in the creation of its compact small crawl space dehumidifier. As one of the best dehumidifiers, this particular one is small enough to fit into crawl spaces and basements but still capable of removing hundreds of pints of water from the air per day and controlling the humidity level.

Choose the best dehumidifier here, and turn your basement from damp & musty to dry, fresh — like a whole new space.

Product Certifications

ETL Safety Certified

UL-Sandard, Peace of Mind

Energy Star Certification

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5-Year Limited Warranty

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ETL Safety Certified

UL-standard, peace of mind

Energy Star Certification

save 20% on energy bills

5-Year Limited Warranty

100% Satisfaction Guarantee

Alorair Dehumidifier Features

Rugged and Durable Design

Alorair crawl space dehumidifiers are cETL-certified and feature a rugged metal casing. This robust construction not only allows for easy maintenance but also ensures reliable performance in harsh environments.

Automatic Defrost System

Equipped with an automatic defrost system, it detects and melts frost in real time. Plus，the rare earth alloy evaporator has strong corrosion resistance and efficient heat transfer, reducing wear and extending service life.

Easy To Control Anywhere

AlorAir-C APP For A Better Experience, Remotely Monitor Humidity, Turn The Unit On/Off And Adjust Levels Conveniently.

2.0 Bluetooth/WiFi Tech

Humidity Tracking

Asset Monitoring

Message Notifications

Firmware Upgrade

Dehumidifiers For Every Space

Tackle Dampness In Crawl Spaces, Basements, Offices, And More Protect, Refresh, And Optimize Any Area.

It Might Be Good To Hear From The Professionals

Tackle dampness in crawl spaces, basements, offices, and more — protect, refresh, and optimize any area.

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Frequently Asked Questions

Whether You're A First-Time Dehumidifier For Crawl Space Buyer Or Looking To Use Your Existing Equipment More Efficiently, Here Are Answers To Common Questions. If There's A Question You Haven't Answered, You're Welcome To Contact Us. Here Are There Are Some Common Crawlspace Dehumidifier Problems.

What Scenarios Can Dehumidifier For Crawl Space Be Used For?

The smaller size, compact design, compact construction and sturdy handle of the whole basement dehumidifier allows it to be easily and safely moved from one job site to another, or even from downstairs to upstairs. All these features make it suitable for both domestic and commercial applications, widely used in corrosive mold-growing crawlspaces, basements, warehouses, offices and factories. Or bedrooms, bathrooms, bedrooms, bathrooms, kitchens and caravans to help remove excess moisture from the air. Some Alorair dehumidifiers come with a water pump, automatic defrost system, optional remote control system, rugged water tank, low temperature operation, C-ETL.

Does Crawlspace Dehumidifier's Make Noise?

Alorair crawlspace dehumidifiers have decibels between 50-60 decibels. As whole basement dehumidifiers they are not noisy because you can hardly hear them when you put them in the basement, if you use them elsewhere and are not very receptive to the presence of sound, try to keep dehumidifiers for crawl space away from resting places so that you don't feel the noise. If you are not sensitive to noise, he will not affect you.

How Does An Alorair Dehumidifier With Pump And Hose Work?

Most crawlspace dehumidifiers work on roughly the same principle. crawlspace dehumidifier utilizes a powerful fan to draw in humid air from an air intake. Inside the unit, the moist air passes through a cooling coil. The temperature difference causes the water vapor in the air to condense into liquid water. the crawlspace dehumidifier reheats the dry air and releases it back into the environment, thus maintaining a balanced and comfortable humidity level. The condensed water is collected in the built-in water tank of the whole basement dehumidifier. The Alorair dehumidifier with pump and hose automatically pumps out the collected water. when the water in the reservoir reaches a certain level, the pump is activated and a hose connected to the pump directs the water to a designated drainage point, such as a sink, floor drain or outside the building. Alorair dehumidifier with pump and hose has an automatic The drainage system ensures continuous operation of the dehumidifier without having to stop to empty the bucket.

What Should I Do When My Dehumidifier Refuses To Work?

When your crawlspace dehumidifier is not working, it may be due to several issues. Follow the steps below to diagnose and resolve the problem:

Check the power supply: Make sure the dehumidifier for crawl space is plugged in securely and receiving power.
Verify settings: Ensure the humidity setpoint is lower than the current room humidity and that no timer prevents startup.
Inspect the water reservoir: Confirm the tank is not full and the float sensor is free and at the correct height.
Check the drainage system (for units with pump or hose): Make sure the drain hose or pump is not clogged and the pump operates normally.
Clean the air filter: A clogged filter restricts airflow and can cause malfunctions. Clean or replace it per the manual.
Examine the coils: Look for ice. Turn off the unit to defrost, then restart in a warmer environment.
Test the fan: Ensure the fan runs properly; otherwise professional repair or replacement may be required.
Evaluate the environment: Confirm conditions are within the unit’s operating range.
Check error codes: Refer to the display and owner’s manual for code meanings and fixes.
Perform a reset: Power off and unplug for a few minutes, then plug in and restart.
Seek professional help: If problems persist, there may be internal faults (compressor, motor, control board). Contact support.

Please visit www.aloraircrawlspace.com to contact our customer service; we respond within 24 hours. You can also email sales@aloraircrawlspace.com. If purchased from a third party, contact their support line.

What Are The Humidity And Temperature Ranges For Whole Basement Dehumidifier Dehumidification?

It is not possible to give you a systematic answer here because the temperature and dehumidification capacity that each machine can accept is different. You can look at the product detail page if you want to know the dehumidification of the machine and the temperature range it accepts. For example, the crawlspace dehumidifier Sentinel HD55S has different acceptance ranges. Dehumidification capacity 34.53 Pints/16 L/day at medium temperature and humidity conditions at 65°F (18°C) humidity at 60% . At higher temperatures and moderate humidity, the dehumidification capacity is 55 Pints/30 L/day at 80°F (27°C) with 60% relative humidity. At high temperatures and high humidity, the dehumidification capacity is 120 Pints/60 L/day at 86°F (30°C) with 80% humidity.

Do Crawlspace Dehumidifiers Need To Be Cleaned Regularly?

Yes, dehumidifier for crawl space requires regular cleaning to maintain optimal performance and longevity. Regular cleaning prevents clogging, maintains efficiency, reduces mold and bacteria growth, and extends service life. It ensures the unit continues to control humidity effectively and minimizes the risk of mechanical failure. In dusty or heavily utilized environments, once a month is recommended (depending on usage and environment). Check and clean the coils and drainage system as part of routine care. Once a year, deep clean the entire unit, including internal components.

Cleaning procedure:

Turn off and unplug the appliance.
Clean the air filter: Remove the filter. If washable, rinse with warm water and neutral soap and let it dry completely. Replace if damaged or too dirty.
Inspect and clean the coils: Use a soft brush or vacuum to gently remove debris.
Check the drainage system: Ensure the drain hose or pump is not clogged. Flush with water if needed. If there is a water catchment box, clean it with soap and water to prevent mold.
Wipe down the exterior: Use a damp cloth to remove dust and dirt.
Perform a thorough inspection: Look for wear, loose parts, or damage, and address problems promptly.

You can read this article for specific steps: How to Clean a Dehumidifier?

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Best Dehumidifier for Crawl Space

Rugged and Durable Design

Automatic Defrost System

Easy To Control Anywhere

Dehumidifiers For Every Space

It Might Be Good To Hear From The Professionals

Tackle dampness in crawl spaces, basements, offices, and more — protect, refresh, and optimize any area.

Custom Service

Go with alorair's custom service—get more than just tailored solutions:

Frequently Asked Questions