10 Best Crawl Space Dehumidifier of August 2025

• Benefit of Hot Gas Valve Defrosting System, HGV-a quick and efficient Defrosting process, truly make dehumidifier able to work at the Low temperature (36 degrees Fahrenheit), makes unit work continuously and efficiently without periodic stopping during the defrosting process, not only saving the energy but also making unit last longer.
• Internal Corrosion Protection, A advanced Technology to minimize the corrosion and Freon leakage, as you know in dehumidification applications, there always get oxide, hydroxide, or sulfide, normal coils get corrosion and Freon leakaged quickly, this Epoxy coating Provide protection in corrosive envioronments and maintain the coil’s heat transfer ability over the life of coil.
• DESIGNED FOR THE MODERN HOME-For your full satisfaction, we designed this Proffessional dehumidifier with the modern consumer in mind,All Special features make it the best for Crawlspace and Basement applications,HGV Defrosting system,Remote control system,strong as the Tank,Epoxy coated, G3 fliter,Low temperature operation,C-ETL.
• SUPER CONVENIENT USAGE-This high-quality dehumidifier offers you an easy and convenient operation. Simply adjust to your ideal moisture setting, let it run its continuous 24-hour cycle With Continuous Drain Hose, at which point it will automatically shut-off. Maximum moisture removal and odor reduction with G3 filter. The most convenient point is that you are not requested to pour away the water every hour like the normal domestic dehumidifier, there is no tank inside, it drains automatically.

ALORAIR

• BUILT TO LAST with corrosion-resistant aluminum coils, Aprilaire Dehumidifiers are designed and manufactured in the U.S.A. by Aprilaire, the leader in indoor air quality solutions
• MINIMIZE AIRBORNE VIRUS SURVIVAL rates by keeping relative humidity below 60% with a dehumidifier
• HELPS PREVENT MOLD, TERMITES, STRUCTURAL WOOD ROT, AND ODORS in a sealed crawl space, and damp carpeting and furnishing, mold, mildew, and odors in basements and whole homes
• COMPACT SIZE (12.5” x 12.5” x 25”) fits through most crawl space doors, and between joists and tight spaces
• REMOVES UP TO 9 GALLONS (70 pints) of water per day
• NO MESSY WATER TRAY TO EMPTY and simple to set up - just place the hose (included) or place dehumidifier over a drain, level it, plug it in, set the target humidity, and you’re done

Aprilaire

• REDUCES HUMIDITY in enclosed environments by removing water vapor
• COMPACT SIZE is easy to transport, hang and position
• AUTOMATIC PUMP OUT FEATURE allows continuous operation
• DIGITAL TOUCH PAD CONTOLS in 4 languages, displays inlet and outlet temp and RH in real time
• LIFETIME LIMITED on polyethylene housing, 6 years on compressor and coils, 1 year parts and labor from date of purchase. 180 CFM. Amps: 6. 2
• OPTIONAL HANGING KIT available Dri-Eaz F526
• Amount of daily water removal varies depending on environmental conditions (temperature, relative humidity, water saturation of contents, structural materials, etc.)

Dri-Eaz

• Energy Star qualified dehumidifier removes moisture with less energy than conventional dehumidifiers
• Removes up to 20 pints of moisture (30 pint 2012 DOE standard) from the air every 24 hours in a room up to 1,500 sq. ft.
• Controls humidity for a more comfortable home environment
• Smart digital humidistat control system automatically senses room moisture levels and activates dehumidification
• LED digital display indicates room temperature, humidity level and timer settings

Honeywell

• Benefit of Hot Gas Valve Defrosting System, HGV- a quick and efficient Defrosting process, truly make dehumidifier able to work at the Low temperature (36 degrees Fahrenheit), makes unit work continuously and efficiently without periodic stopping during the defrosting process, not only saving the energy but also making unit last longer.
• Internal Corrosion Protection, A advanced Technology to minimize the corrosion and Freon leakage, as you know in dehumidification applications, there always get oxide, hydroxide, or sulfide, normal coils get corrosion and Freon leakage quickly, this Epoxy coating Provide protection in corrosive environment and maintain the coil’s heat transfer ability over the life of coil.
• DESIGNED FOR THE MODERN HOME-For your full satisfaction, we designed this Professional dehumidifier with the modern consumer in mind, All Special features make it the best for Crawl space and Basement applications, HGV Defrosting system, Remote control system, strong as the Tank, Epoxy coated, G3 filter, Low-temperature operation, C-ETL.
• REMOTE CONTROL – This professional dehumidifier is designed with the remote monitoring function, it makes this unit an ideal choice for places where remote sensing and controlling is required, It is also a good choice for the sound insulation and saving the space usage, you can buy the remote control from our store as well.
• 5 YEARS - We believe in quality and after-sales-service, All our high-quality ALORAIR basement/crawlspace dehumidifier are made for your full utilization. It is sure to last long and still keep its shape look. Your 100% satisfaction is with 5 Years and great after-sales-service team countrywide.

AlorAir

• Dehumidifies areas up to 7,000 square feet; Small, light Xactimate “Large” category dehu – more water removal than units 2–3 times its size!
• 125Pints/Day (71L) @ 90F/90% ;80Pints/Day (45L) @ 80F/60%
• Delivers “Large” dehu performance yet fits where others don’t – crawlspaces, bathrooms, kitchens, etc.
• Control panel displays inlet and outlet temp and RH plus grain depression in real time
• Secure, compact stacking – transport multiple units on a handtruck

MOUNTO

• ♛ Hight Efficient: Remove moisture up to 750ml per day(86℉,80%RH) and this air dehumidifier has one large removable water tank 2000ml. Protects your home from mold and mildew caused by excess moisture.
• ★ Ultra-Quiet Technology: Use peltier technology with no compressor makes it lightweight and quiet. Noise is below 33dB with no annoying sound
• ♛ Auto Shut Off: It is also programmed to shut off automatically once it has reached capacity. And indicator light will go on to remind you to empty the tank out.
• Energy Saving: Upgrade section dehumidifier with no chemical substances and low energy consumption, It Is an Ideal environmentally friendly solutions for absorbing damp and condensation. Energy saving and eco-friendly, not waste electricity.
• Hassle-Free Service: 3-month unconditional return and replace policy and a 12-month warranty; active after-sales team to answer any queries you might have, for the ultimate in customer satisfaction

hysure

• 4,500 SQ FT LARGE DEHUMIDIFIER - Our 15.4 x 11 x 24.3 inches dehumidifier with 1.8 gallon water tank capacity removes up to 50 pints (70 Pint 2012 DOE Standard) from the air per day depending on moisture condition and the size of your room. This is our largest, most capable model ideal for large rooms up to 4,500 square feet and/or very wet spaces.
• DESIGNED FOR THE MODERN HOME - That most dehumidifiers are clunky eyesores is news to nobody. We designed with the modern consumer in mind: a sleek clean look, convenient built-in wheels and handles, and a quiet fan that won’t drown out your current binge-watching obsession. Durability is key, too, which is why we offer a 2-year warranty, plus an extra 6 months if you register on our website.
• SUPER EASY TO USE - Dehumidifiers don’t need to be complicated, so ours isn’t. Adjust to your ideal moisture setting, then let it run its continuous 24-hour cycle until the tank is full, at which point it will automatically shut-off. Don’t got time for that? There’s also a drain hose outlet for continuous draining. The hose is not included; we recommend a ⅝” diameter garden hose with an internal threaded end, and optionally Teflon tape for extra security.
• ELIMINATES MOISTNESS & ODOR - Moist is a bad word. Our portable dehumidifier reduces odors and moisture through its built-in pump compressor. It also features a Turbo mode that increases fan speed from Normal Air CFM 165 (cubic feet per minute) to High Air CFM 188 for maximum moisture removal and odor reduction.
• YOUR SATISFACTION IS OUR PRIORITY - hOmeLabs offers a 2-year warranty and free return or exchange within 30 days of order receipt. We want you to be completely satisfied with your purchase. If you experience any issues, please contact us or any of our authorized sellers directly, and we will do everything we can to make things right!

hOmeLabs

• 4,500 SQ FT LARGE ROOM DEHUMIDIFIER - Our "Moisture Maniac" dehumidifier is rated to remove 50 pints (70 Pint 2012 DOE Rating Standard) of moisture per day and is ideal for medium to large spaces from 3,000 sq. ft. to 4,500 sq. ft.
• DESIGNED WITH YOU IN MIND - We designed our dehumidifier with convenience and style in mind. This dehumidifier sports a sleek, clean look with convenient built-in wheels and handles and a quiet fan that will do its job without you hearing it.
• REAL EASY TO USE - It's a dehumidifier, not a rocket ship and our design reflects that. Simply adjust to your ideal moisture setting, let it run its continuous 24-hour cycle until the tank is full, where it'll then shut-off automatically. For added convenience, there’s also a drain hose outlet for continuous draining (NOTE: hose not included)
• ELIMINATES MOISTNESS & ODOR - Our portable dehumidifier features a Turbo mode that increases fan speed for maximum moisture removal. This product effectively reduces humidity and maintains a level of dryer air that can help you feel more comfortable.
• IMPORTANT INFO - Dehumidifiers emit heat when in use (that’s how they work) and is intended for any indoor space between 3,000 and 4,500 SQ FT. It measures 16.6 x 11 x 24.3 inches, has a 1.8 gallon water tank capacity, and removes up to 50 pints of moisture from the air per day.

Vremi

• Dehumidifier for Space Up to 2000 Sq. Ft.: Our 40 pints capacity dehumidifiers are able to removes 5 Gallons (40 pints) of moisture a day in areas up to 2000 sq. ft. and adjust humidity from 30% to 85%. Maintaining a healthy 45%-55% humidity range has never been easier! It is a dehumidifier ideal for any basements, office, home, bathroom, bedroom, kitchen, stockroom, living room, laundry room, cellars, crawlspace, etc..
• Unique Design for The Mordern Home: The Waykar dehumidifiers designed with sleek and modern look. With 360° rotatable wheels and ergonomically lift up handles, you can move around this dehumidifier easily. A quiet fan that won't disturb you when you sleep or at work, adjustable fan speeds for multiple choices. 24-hour Timer Setting for preset operation and reduced energy consumption
• Intelligent Control: After you set your desired humidity, the dehumidifier will run intelligently. Humidity Auto Control-Simply adjust to your desire humidity, it will work smartly, when it reached its designated humidity, it will automatically stop working and then automatically restart to dehumidify when the humidity above target is sensed. Automatic Shut Off/On-Shuts off automatically when the bucket is full and switch it on again after the bucket emptied. Power Outage Automatic Restart
• Super Easy To Use: Auto Drain - The unit comes with a 6.56 feet drain hose that you can attached to the drain pipe hole to continually drain water that is dehumidified. Manual Drain - When the 2.5L water tank has reached maximum capacity, the "Full Tank "indicator will light up, the dehumidifier will automatically switch off until the tank has been emptied. Meanwhile, a reusable and washable filter preserves fresh and clean air quality
• Support: All of Waykar Dehumidifiers are covered with 30-Days Money Back if you are not satisfied with the product, 1 year warranty, 2nd year warranty extension and lifetime expert tech support. Please don't hesitate to contact us if there is any question, we will reply to you within 24 hours and help you solve the problems. Waykar customer support team is always just one-email away

Waykar