10 Best Crawl Space Dehumidifiers 2021

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

ALORAIR Basement/Crawl Space Dehumidifiers Removal 120 PPD (Saturation) – ⭐ Best Overall Crawl Space Dehumidifier

Sentinel HD55 by AlorAir

  • Color: White
  • Weight: 57.32 pounds
  • Dimensions: 11.8 x 17.7 x 11.8 inches
  • Warranty: 5 years on compressor, evaporator, condenser (doesn't include labor & refrigerant); 3 years on compressor, evaporator, condenser, (includes labor & refrigerant); 1 year on parts & labor;
ALORAIR Basement/Crawl Space Dehumidifiers Removal 120 PPD (Saturation)
  • Energy Star Certified Dehumidifier-quickly and effectively removes moisture with less energy than conventional dehumidifiers without racking up your energy bill, saving you money. This will be the best crawl space/basement dehumidifier you will ever use. Remove 55 pints per day at AHAM condition,120 Pint at saturation, up to 1,300 sq. ft, fit for any basement, crawl space, storage areas, garage, any large room, or commercial use.
  • Automatic Defrost-a quick and efficient defrosting process, truly makes the dehumidifier able to work at a low temperature (36 degrees Fahrenheit), if frost is detected on the coils, an automatic defrost cycle runs to avoid frost build-up and issues associated with that build up. Makes the unit work continuously and efficiently without periodic stopping during the defrosting process, not only saving the energy but also making the unit last longer.
  • INTERNAL CORROSION PROTECTION-an advanced technology to minimize 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 innovative feature extends the life of the coils by providing protection against, maintaining the coil’s heat transferability.
  • 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 crawlspace, basement, and commercial applications, auto defrosting system, optional Remote control system, MERV-8 filter, Low-temperature operation, C-ETL, and Energy Star listed.
  • 5 Years Warranty-energy efficient & safety tested our sentinel HD55 dehumidifier is energy star certified and is fully compliant with the electrical safety ETL. Every AlorAir dehumidifier comes with a 5-year warranty with a local professional customer support team ready to assist at any time. If you have any questions, please feel free to contact us, you deserve the best after-sales service.

Waykar 155 Pint Commercial Dehumidifier for Crawl Spaces

by Waykar

Waykar 155 Pint Commercial Dehumidifier for Crawl Spaces
  • LARGE CAPACITY COMMERCIAL DEHUMIDIFIER-This industrial commercial dehumidifier is with a high-efficiency moisture removal capacity can remove up 155 pints water per day,suitable to use in large area,basement,crawl spacce warehouse,grow room,garage,cellar,workshop,library,laboratory and small factory,etc.
  • INTELLIGENT TOUCH CONTROL- Humidity Auto Control: Simply adjust to your ideal moisture setting, it will smartly sense room humidity and control dehumidification to maintain pre-set humidity levels. Automatic Shut Off/On: Shuts off automatically when the room humidity reachs the setting humidity and restart to working again when the humidity is above.
  • DESIGN WITH HUMANIZED- This heavy duty commercail dehumidifier is designed with removable Controller with 10m(393inches) wire and Humidity Sensor with 5m(196inches) wire for large space area where remote control and monitor is required. Design for different placement requirement,you can place the humidifier with hanging or laid on anywhere.
  • AUTO-DEFROST & POWER OUTAGE RESTART FUNCTION: Auto defrost function eliminates maintenance and allows this durable room dehumidifier to use in a cold environment low to 41°F. This basement dehumidifier is also designed to restart automatically when power becomes available.
  • SUPPORT- The Waykar Industrial Commercial Dehumidifier is covered with 30-Days Money Back if you are not satisfed 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 12 hours and help you solve the problems. Waykar customer support team is always just an-email away.

AlorAir Commercial Dehumidifier 113 Pint – 💲 Best Budget Crawl Space Dehumidifier

by AlorAir

  • Color: Blue
  • Weight: 57.3 pounds
  • Dimensions: 19.2 x 12.2 x 13.3 inches
  • Warranty: 5 years on compressor, evaporator, condenser (doesn't include labor & refrigerant); 3 years on compressor, evaporator, condenser, (includes labor & refrigerant); 1 year on parts & labor;.
AlorAir Commercial Dehumidifier 113 Pint
  • 👍[113 PINT DEHUMIDIFIER] AlorAir Sentinel HD55 commercial dehumidifier can removal 113 PPD at saturation, 53 pints per day at AHAM, up to 1,200 sq. Ft, lowering the humidity to comfortable levels in a short period of time. On the other hand, this ETL listed dehumidifier is made of a metal outer casing that withstands more rugged conditions, ensuring long-term use and easy maintenance. Fit any crawl spaces, basements, warehouses, offices, factories, shops, storage areas.
  • 👍[SUPER CONVENIENT USAGE] This high-quality dehumidifier simply adjusted to the ideal humidity setting to minimize moisture and reduce odor. The MERV-8 Filter can protect internal components from dust when dehumidifying. the most convenient point is that you are not requested to pour away the water every hour like a normal domestic dehumidifier, there is no tank inside, it drains automatically.
  • 👍[AUTO DEFROSTING SYSTEM] The auto defrost is important, as ice buildup on the dehumidifier’s coils can cause the units to malfunction. AlorAir commercial dehumidifier can 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.
  • 👍[SAME FIT FOR CRAWL SPACES & BASEMENTS] We designed this professional dehumidifier with the modern consumer in mind, smaller size, compact design, rugged handle, easy and safe to transport from job to job, and even from downstairs to upstairs. All special features make it the best for crawlspace, basement, and commercial applications, auto defrosting system, optional remote control system, strong as the tank, Low-temperature operation, C-ETL.
  • 👍[5 YEAR WARRANTY AND STRONG LOCAL SERVICE TEAM] 5 YEARS Warranty-We believe in quality and after-sales-service, all our high-quality AlorAir basement/crawlspace dehumidifiers are made for your full utilization. It is sure to last long and still keep its shape look, even in some cruel commercial USES. Your 100% satisfaction is with 5 Years and a great after-sales-service team countrywide.

COLZER Crawlspace Commercial Dehumidifier with Pump and Drain Hose 145

CD70P by COLZER

  • Color: White
  • Weight: 88 pounds
  • Dimensions: 25.7 x 19.7 x 16.3 inches
  • Warranty: 2 Year Free Warranty as Stanadard
COLZER Crawlspace Commercial Dehumidifier with Pump and Drain Hose 145
  • Designed for Crawl Space: With a horizontal design and measuring at only 22.7*19.7*16.3 inch(L*W*H), this compact dehumidifier is perfect to fit in between floor joists, low-clearance crawl spaces and tight basement areas.
  • Commercial Grade Dehumidifie: This COLZER dehumidifier CD70P with 206 CFM airflow rate removes up to 145 pints of moisture from the air per day in saturated conditions and 70 pints per day in AHAM, powerful enough to cover large spaces up to 6,000 square feet.
  • Dehumidifier with Pump for Easy Drainage: This commercial dehumidifier with an internal pump will automatically drain the condensate out for low-hassle operation. Plus, the 16-foot long drain hose and 16-foot drain vertical height maximize the flexibility of installation.
  • Easy Operation: Simply set the desired humidity value, this crawl space dehumidifier will auto cycle ON/OFF to maintain the desired humidity level, meanwhile auto drain, auto defrost, and auto restart after power outage for the most ever effortless humidity control.
  • Designed with Convenience in Mind: The pump is easy to access for maintenance, also designed with gravity drain and the external pump drain option, ensuring worry-free drainage. The air outlet is duct-able and the remote control (BUY SEPARATELY) is compatible, offering great convenience while installation and operation.

Aprilaire 1820 Pro Dehumidifier

1820 by Aprilaire

  • Release date: 06/18/2018
  • Color: Gray
  • Weight: 56 pounds
  • Dimensions: 25 x 12.5 x 12.5 inches
Aprilaire 1820 Pro Dehumidifier
  • 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

AlorAir Basement/Crawl Space Dehumidifiers 198 Pint (Saturation)

Sentinel HD90 by AlorAir

  • Color: white
  • Weight: 57.32 pounds
  • Dimensions: 24.8 x 13.8 x 15.7 inches
  • Warranty: 5 years on compressor, evaporator, condenser (doesn't include labor & refrigerant); 3 years on compressor, evaporator, condenser, (includes labor & refrigerant); 1 year on parts & labor;
AlorAir Basement/Crawl Space Dehumidifiers 198 Pint (Saturation)
  • Energy Star Certified Dehumidifier-quickly and effectively removes moisture with less energy than conventional dehumidifiers without racking up your energy bill, saving you money. This will be the best crawl space/basement dehumidifier you will ever use. Remove 90 pints per day at AHAM condition, 198 Pint at saturation, up to 2,600 sq. ft, fit for any basement, crawl space, storage areas, garage, any large room, or commercial use.
  • Automatic Defrost- a quick and efficient defrosting process, truly makes the dehumidifier able to work at a low temperature (36 degrees Fahrenheit), if frost is detected on the coils, an automatic defrost cycle runs to avoid frost build-up and issues associated with that build up. Makes the unit work continuously and efficiently without periodic stopping during the defrosting process, not only saving the energy but also making the unit last longer.
  • INTERNAL CORROSION PROTECTION-an advanced technology to minimize 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 innovative feature extends the life of the coils by providing protection against, maintaining the coil’s heat transferability.
  • DESIGNED FOR ENERGY SAVING, AlorAir High COP Dehumidifier, an investment in crawl space/basement comfort can be paid back by a few years' energy savings. You can save up to $250 per year in energy costs with dehumidifiers working for their families! Once you are able to maintain a consistent RH 50 %, no need to keep the thermostat at low, uncomfortable temperatures once used in an effort to control humidity.
  • 5 Years Warranty-energy efficient & safety tested our sentinel HD90 dehumidifier is energy star certified and is fully compliant with the electrical safety ETL. Every AlorAir dehumidifier comes with a 5-year warranty with a local professional customer support team ready to assist at any time. If you have any questions, please feel free to contact us, you deserve the best after-sales service.

AlorAir Duct-able Version Basement/Crawl Space Dehumidifiers 198 PPD (Saturation) 90

Sentinel HDi90 by AlorAir

  • Color: White
  • Weight: 85.9 pounds
  • Dimensions: 23.2 x 15.2 x 17.7 inches
  • Warranty: 5 years on compressor, evaporator, condenser (doesn't include labor & refrigerant); 3 years on compressor, evaporator, condenser, (includes labor & refrigerant); 1 year on parts & labor;.
AlorAir Duct-able Version Basement/Crawl Space Dehumidifiers 198 PPD (Saturation) 90
  • RUGGED CRAWLSPACE/BASEMENT DEHUMIDIFIER – This crawl space/basement dehumidifier strong as a tank. Auto defrosting system, cETL listed, 5 Years, Internal corrosion protection remove 198 PPD at saturation condition and 90 PPD at AHAM, up to 2, 600 sq. ft., fit for any basement, crawl space, storage areas, garage or any large room, so it quickly and effectively absorbs moisture without racking up your energy bill.
  • AUTO DEFROSTING SYSTEM, auto defrosting- a quick and efficient defrosting process, truly make dehumidifier able to work at low temperature (36℉), makes unit work continuously and efficiently without periodic stopping during the defrosting process, not only saving the energy but also making the unit last longer.
  • INTERNAL CORROSION PROTECTION - an 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 leakages quickly, this rare earth alloy tube evaporator provide protection in corrosive environments and maintain the coil’s heat transfer ability over the life of the coil.
  • DESIGNED FOR ENERGY SAVING, AlorAir high COP dehumidifiers, an investment in crawlspace/basement comfort can be paid back by a few years' energy savings. You can save up to $250 per year in energy costs with dehumidifiers working for their families! And that doesn't include the savings from using thermostats instead of air conditioning. Once you are able to maintain a consistent RH 50 %, no need to keep the thermostat at low, uncomfortable temperatures once used in an effort to control humidity.
  • OPTIONAL REMOTE CONTROL – This professional dehumidifier is designed with the remote monitoring function, which makes this unit an ideal choice for places where remote sensing and controlling is required, It is also a good choice for sound insulation and saving space usage, you can buy the remote control from our store as well.

Santa Fe Compact70 Dehumidifier for Crawl Space and Basements to – 👑 Premium Pick

4034180 by Santa Fe

  • Weight: 65 pounds
  • Dimensions: 27 x 18 x 18 inches
Santa Fe Compact70 Dehumidifier for Crawl Space and Basements to

BaseAire AirWerx55 Energy Star Dehumidifier for Crawl Space Basement

DE-TUDU13-393 by BASEAIRE DRY YOUR CRAWL SPACE & BASEMENT

  • Color: Gray
  • Weight: 59.5 pounds
  • Dimensions: 19.2 x 13.3 x 12.2 inches
  • Warranty: 5 years on compressor, evaporator, condenser (doesn't include labor & refrigerant); 3 years on compressor, evaporator, condenser, (includes labor & refrigerant); 1 year on parts & labor;
BaseAire AirWerx55 Energy Star Dehumidifier for Crawl Space Basement
  • 120 Pints Energy Star Dehumidifier: With a removal capacity of up to 55 pints of water per day (under 60%RH @ 80°F condition), 120 PDD at saturation,this energy-efficient dehumidifier is ideal to dehumidify damp space up to 1,300 sq ft, like attics, basements, crawlspace, laundry room, garages, and even commercial use, you can maintain a healthy 45%-55% humidity range easily!
  • Easy-to-use Dehumidifier: Plug it in, set the target humidity, this smart dehumidifier will AUTO-STOP when the set humidity level has been met and AUTO RESTART when the room humidity raises up again or even after a power interruption. This dehumidifier with a drain hose (6.5-ft) allows you to simply attach the hose to achieve self-draining by gravity.
  • HGV-Defrost & Power-Outage-Restart for Hassle-free Operation: HGV defrost function eliminates maintenance and allows this durable room dehumidifier to use in a cold environment low to 33.8°F. This basement dehumidifier is also designed to restart in the event of a power interruption.
  • Ideal Dehumidifier for Crawl Space & Basement Use: With the compact size and a strong handle, this portable dehumidifier is easy to carry from room to room. With a peak noise level at 52 dB(A), you can be worry-free to have this quiet dehumidifier running whenever and wherever you need it. Optional Remote control, It is also a good choice for sound insulation and saving space usage. (Needs to be purchased separately)
  • SUPPORT- YOUR SATISFACTION IS OUR PRIORITY. All BASEAIRE Dehumidifiers are covered with a 5 Year Warranty and lifetime expert tech support. If there is any question, please don't hesitate to contact us, we will reply to you within 24 hours and help you solve the problems.

ALORAIR LGR 180 Pint Commercial Dehumidifier with Pump

by AlorAir

  • Color: Red
  • Weight: 78 pounds
  • Dimensions: 22.8 x 13.7 x 17.3 inches
  • Warranty: 5 years on compressor,evaporator,condenser; 3 years on parts & labor on refrigeration circuit; 1 year on parts & labor
ALORAIR LGR 180 Pint Commercial Dehumidifier with Pump
  • ▼ Super Features: This Commercial Dehumidifier Remove 180PPD at Saturation condition, Digital humidistat control, Timer, with condensate Pump, fits into small spaces, Multiple units can be moved on a standard hand truck.
  • ▼ Highly Efficient: This Water damage Restoration dehumidifier get operating temperature range of 33.8-104 degrees F, draws 5.62 amps on a 115V power supply for energy efficiency, huge capacity 85 PPD(13.4 gallons) at AHAM while the current draw is 5.62 amps, rated power 640W.
  • ▼ Waterproof design: You can sink the unit in the water as the rubber strip makes the circuit board sealed.
  • ▼ 5 Years Warranty and Auto Defrosting: We believe in quality and after-sales-service, This Unit is equipped with a "Auto" defrosting system, which ensures a quick and efficient clearing of ice from the coil under a minimum operating temperature of 33.8℉.
  • ▼ Storm LGR Extreme industrial dehumidifier is leading the industry by introducing rare earth alloy tube evaporator. This new feature will extend the life of the coils, maintain the coil’s heat transfer ability over the life of the coil.

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