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ALORAIR Commercial Dehumidifier 113 Pint, with Drain Hose for Crawl Spaces, Basements, Industry Water Damage Unit, Compact, Portable, Auto Defrost, Memory Starting, 5 Years Warranty, Sentinel HD55

  • Based on 949 reviews
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Availability: In Stock.
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Arrives Sunday, Jun 9
Order within 15 hours and 33 minutes
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Features

  • [SUPER CONVENIENT USAGE] This high-quality dehumidifier is adjusted simply to the ideal humidity setting to minimize moisture and reduce odor. The MERV-1 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 typical domestic dehumidifier, there is no tank inside, it drains automatically.
  • [AUTO DEFROSTING SYSTEM] Auto defrosting is important, as ice buildup on the dehumidifiers coils can cause the units to malfunction. AlorAir commercial dehumidifier can truly make the dehumidifier work at the Low temperature (36 degrees Fahrenheit). The unit works continuously and efficiently without periodic stopping during the defrosting process. Not only saving the energy but also making the 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, cETL.
  • [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 will last longer and still keep its shape look, even in some cruel commercial USES. Your 100% satisfaction is with 5 Years and an excellent after-sales service team countrywide.

Brand: ALORAIR


Floor Area: 1200 Square Feet


Color: Blue


Special Feature: Portable, Automatic Defrost


Capacity: 113 Pints


Product Dimensions: 19.2"D x 12.2"W x 13.3"H


Recommended Uses For Product: Commercial


Included Components: User Manual, Dehumidifier


Item Weight: 44 Pounds


Model Name: HD55 Blue


Brand: ALORAIR


Floor Area: 1200 Square Feet


Color: Blue


Special Feature: Portable, Automatic Defrost


Capacity: 113 Pints


Product Dimensions: 19.2"D x 12.2"W x 13.3"H


Recommended Uses For Product: Commercial


Included Components: User Manual, Dehumidifier


Item Weight: 44 Pounds


Model Name: HD55 Blue


Wattage: 460 Watt-hours


Operation Mode: Continuous


Air Flow Capacity: 120 Cubic Feet Per Minute


Upper Temperature Rating: 104 Degrees Fahrenheit


Dehumidification Capacity: 53 Pints per Day


Manufacturer: ALORAIR


Item Weight: 44 pounds


Item model number: HD55 Blue


Date First Available: November 11, 2020


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Jun 9

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Great well designed unit fixes common dehumidifier design errors; Super support staff
In spite of some problems that I initially encountered, I believe that for its operating capacity the Alorair H55 (Blue) Sentinel dehumidifier is one of the best products on the market place today. Why do I think this dehumidifier is so good? To be honest my past experience with the entire dehumidifier manufacturing industry has not been a happy one. In the past 10 years I have bought (and obtained through warranty exchanges) over 8 dehumidifiers. I have a relatively small encapsulated crawl space (1,400 SF) which I kept dehumidified using residential 35 Liter per day units. The units that I bought were manufactured by Frigidaire, Friedrich, and Hense. They are all junk! They are designed to fail within 12 to 24 months. Although one would think with the vast choice with the plethora of various manufactures of residential dehumidifiers that quality would vary; having removed the cover off of these failed units it appears that the functioning components (compressor, condensing, and evaporating coils) are all the same and probably come from the same factory located somewhere in China. Why do they fail within such a short period? Bad design. (1) The evaporator coils operate under high pressure 410 Freon, with thin walled copper tubing (environmental and energy efficiency improvements), packed with aluminum cooling fins for condensing room humidity, all held together with carbon steel plates on the ends of the coil unit. The high pressure Freon environment within the thin copper tubing fails within 24 months due to formicary corrosion caused by the dissimilar metals (aluminum, copper, and carbon steel) in contact in a damp environment setting up a corrosion voltage differential on the evaporator coil. (2) Placement of the humidity sensor directly in contact with the evaporating coil in the upper corner, insures multiple and repeated false starts for the dehumidifier compressor. When the unit shuts down after reaching proper humidity levels, the evaporator coil is still wet, and as it drys out the humidity released will send a false signal that the room humidity is too high and thus trigger the unit to start up. Worse when moisture evaporates, the resulting water vapor is lighter than air and rises and triggers the sensor. Excessive cycling on and off results. Lastly it is impossible to repair the units when they fail. They are intended to be disposal products. When I hauled them off the the landfill (as hazardous waste) it was shocking how many failed dehumidifiers were stacked together at the landfill. I finally decided to quit buying junk and started researching crawl space dehumidifiers. Most crawl space dehumidifiers are overpowering for my needs (100 ~ 200 pints per day). The Alorair HD55 is one of the smallest crawl space dehumidifiers on the market. And it is a quality design. This unit has a coated coil (in which the aluminum fins and copper tubing are coated) and is held together with stainless steel plates all of which protects against premature evaporator coil failure due to formicary corrosion. Secondly the humidifier sensor is separated from the evaporator coil and is located on the lower end of the unit to minimize triggering by evaporating moisture from the evaporator coil. Additionally a remote controlling sensor is available as an option with a 25 foot cable to enable full separation from the senor from the evaporator coil. The unit has a MERV 8 removable filter to keep the coils clean. It is very quiet when operating. The only way for me to tell if the unit in the crawl space is running, I have to put my ear against the floor to hear it as the sound is too faint. Additionally, I highly recommend the hanging unit when installing. The rope system minimizes the conduction of vibration, and it raises the unit to get more height when running the gravity drain pipe. Additionally operating the unit directly below the floor joists is more efficient as humidity rises and can be more effectively removed during operation, than if the unit is located on the crawlspace or basement floor. Another plus is that while the humidity sensor operates to the nearest 5%, the actual humidity setting can be set within 1% intervals. I have a separate hygrometer sensor in the crawlspace which measures humidity within 1% intervals. This unit is able to keep a steady humidity level of 41% with a variation of only 1 % +/- when using the remote controller and keeps a steady 40% with no variation when using the sensor on the unit. None of the other junk units that I used to own could keep a steady humidity level, as they operated with variations of +/- 5% at a 45% setting. Yes I did have some problems as the first unit delivered failed almost immediately It is not clear whether the unit was defective or whether it was damaged in shipment. I suspect that damage in shipment is a common problem. The support staff was very responsive and arranged to get a replacement unit shipped to me in two days. I was also given a return label for me to ship the defective unit back at no cost. Replacement unit is running great. I would highly recommend that you save the shipping box for any future returns. In spite of this I still recommend this unit. ... show more
Reviewed in the United States on May 21, 2021 by Ronald

  • I have a dry basement now!
I purchased the Alorair Sentinel HD55 (Blue) in September 2022 because I wanted a dehumidifier that would last longer than the Frigidaire FFAD5033W1 that died with less than 2 years of service. My basement humidity was in the 60% - 70% range and I had mold growing everywhere. The Frigidaire unit worked fine for a while until it just didn't. It showed an error code and it would run, but no water would discharge from the unit. It was dead! Glad I bought the extended warranty from Asurion. To be fair, the Frigidaire only has a one-year warranty and it isn't realistic to expect much more than that from a non-commercial unit like that. The Alorair Sentinel HD55 works very well. My basement is about 34' x 23' or roughly 782 sq ft. The humidity is now 45% down there. I like the HD55 because it works! The desired humidity can be dialed in using the digital adjustment and it takes care of the rest. I also like that it came with a suitable length of drainage hose so I can send the condensate into my sump pump. I added a hose clamp to the drainage hose so it won't come loose. What I'm not so crazy about. It's a bit on the noisy side and the replacement air filters are expensive, IMHO. Four filters for $70 seems like a lot to me. The HD55 runs pretty much constantly and I can hear it all the time as a low background sound. I don't have a decibel meter, but it's a significant noise source when I'm working in the basement. I don't have it connected to any ducts, which probably would help to reduce some of the noise. Overall, I'm happy with how well the HD55 is performing and would recommend the product despite the noise and filter issues. I do recommend the extended warranty. The Asurion warranty returned the cost of the unrepairable Frigidaire unit to me, in the form of an Amazon credit, less the cost of the warranty itself. I applied that credit to the HD55, which I hope will last much longer. ... show more
Reviewed in the United States on November 12, 2022 by Scubanut

  • Just installed - looks well made and was very well packed - fired right up.
I've got a sealed crawlspace under my home that needs dehumidification. I bought this unit because it is short (not a lot of height in the crawlspace) and had a ducted option, which helps me circulate dry air around several large obstructions in the space. The unit was double boxed (dehumidifier w/ 4 foam corner brackets in a box, then that box was padded and inside another box). There was a hole punched in the outer box during shipping, but the inner box was still intact and undamaged. The unit itself was in perfect condition and started right up. The funnel piece where you attach the ducting (not required) was interesting. I expected that the ducting would go OVER the plastic funnel and would be secured using a band clamp. Instead, you have to use expandable ducting with a wire spiral in it and the ducting then screws INSIDE of the funnel piece. It attached nicely (luckily I had the right kind of ducting) and it worked well. Here's the duct kit that I bought, which I would order again: https://www.amazon.com/gp/product/B07WNK7N7F/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1 The unit felt very industrial and was well made. I opened it up and took a quick look around... components were well made and electrical connections were solid. The filter is easy to remove and reinstall after cleaning. The controls were intuitive. I also bought the additional remote control (on a 25" wire, provided with the unit) and was happy with that (allows me to check on the humidity level and change settings without crawling on my belly to get under the house). It makes a bit of noise (It's got a fan moving a lot of air, so that's to be expected), but it was quieter than I had anticipated and I was happy with the sound (I can't hear it in the house, even when standing 2-3 feet above the unit (it being in the crawlspace right under the floor I was standing on). ... show more
Reviewed in the United States on April 5, 2021 by elaY

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