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Deal.ai › AlorAir Solutions › Dehumidifiers
AlorAir Solutions
AlorAir Sentinel HD55 Commercial Dehumidifiers for Basements with Drain Hose
AlorAir Solutions

AlorAir Sentinel HD55 Commercial Dehumidifiers for Basements with Drain Hose

Best price now

$505.95at AlorairCrawlspaceChecked 6 h ago

22% under what the other stores charge

Compared across 12 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $505.95 at AlorairCrawlspace (checked Nov 15, 2026).
  • Checked at 12 stores.

Our take on the AlorAir Sentinel HD55 Commercial Dehumidifiers for Basements with Drain Hose

The AlorAir Sentinel HD55 is a compact commercial-grade dehumidifier for basements, crawl spaces and other damp rooms. It removes up to 113 pints a day at saturation (53 pints a day under the AHAM test standard) and covers up to 1,200 square feet. Its auto-defrost cycle keeps it running down to about 36°F, which is lower than most residential units manage. It is a workhorse for whole-basement drying rather than a quiet living-space appliance, and it needs a floor drain or a condensate pump because it drains through a hose.

Best forDamp basements and crawl spacesUnheated or cool rooms that drop near freezingWhole-floor moisture control up to 1,200 sq ftOwners who want continuous drain-hose operation
Pros
  • High water removal for its size
  • Auto-defrost works down to about 36°F
  • Continuous drain via included hose
  • Compact body for a commercial unit
  • Optional remote for temperature and fan speed
Cons
  • Loud enough that it suits utility spaces better than living rooms
  • Heavier and bulkier than small residential units
  • Needs a drain or pump; no built-in tank
  • Remote control is an add-on, not included
  • Basic controls compared with smart Wi-Fi models

AlorAir Sentinel HD55 Commercial Dehumidifiers for Basements with Drain Hose prices at every store

  • AlorairCrawlspaceNew

    In stock

    $505.95Free shippingChecked 6 h ago
    Visit AlorairCrawlspace
  • Division 7 SupplyNew

    In stock

    $618.00Free shippingChecked 6 h ago
    Visit Division 7 Supply
  • JB ToolsNew

    In stock

    $648.66Free shippingChecked 6 h ago
    Visit JB Tools
  • National AllergyNew

    In stock

    $648.66Free shippingChecked 6 h ago
    Visit National Allergy
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $509.71Free shippingChecked 6 h ago
    Visit Amazon
  • eBayNew

    Availability unknownSold by c3-toovem-abestorm

    $551.29Checked 6 h ago
    Visit eBay
  • GermaphobixNew

    Availability unknown

    $628.66Checked 6 h ago
    Visit Germaphobix
  • ThedryairNew

    Availability unknown

    $648.66Checked 6 h ago
    Visit Thedryair
  • WebstaurantStore.comNew

    Availability unknown

    $648.66Checked 6 h ago
    Visit WebstaurantStore.com
  • Sylvane.comNew

    Availability unknown

    $648.66Checked 6 h ago
    Visit Sylvane.com
  • MICRONew

    Availability unknown

    $648.66Checked 6 h ago
    Visit MICRO
  • Allergy ControlNew

    Availability unknown

    $648.66Checked 6 h ago
    Visit Allergy Control

Store links may earn us a commission. Some prices via Klarna.

AlorAir Sentinel HD55 Commercial Dehumidifiers for Basements with Drain Hose price history

Lowest price we've seen: $505.95 on Nov 15 at AlorairCrawlspace. Tracked across 12 stores since Nov 15.

What reviewers say

Owners generally treat the HD55 as a dependable basement workhorse, praising how much water it pulls and its cold-weather defrost. Complaints center on noise and on the need for a drain or pump.

What people mention
  • Moisture removalPraisedOwners say it dries out damp basements quickly and keeps humidity low.
  • NoiseCriticisedReviewers find it loud enough that it is best kept in a utility area.
  • Auto-defrostPraisedUsers report it keeps running in cold rooms where other units ice up.
  • DrainingMixedThe hose drain works well, but there is no tank, so a drain or pump is needed.
  • BuildPraisedOwners describe it as solid and commercial-grade in feel.
  • WeightCriticisedSome find it heavy and awkward to move between rooms.

About the AlorAir Sentinel HD55 Commercial Dehumidifiers for Basements with Drain Hose

The AlorAir Sentinel HD55 is a compact commercial-grade dehumidifier that reduces excess moisture in basements and other spaces. It removes up to 113 pints of water per day at saturation (53 pints per day at AHAM) and works in areas up to 1,200 square feet. It drains by gravity through a drain hose.

An auto-defrost system uses built-in sensors to monitor the ambient temperature. When the temperature is low, the unit starts a defrost cycle to prevent frost buildup. The compressor stops during the cycle while the fan keeps running to thaw the frost. Normal operation resumes when the cycle is done. The unit can work at temperatures as low as 36°F.

An optional remote control lets you adjust the temperature and fan speed from across the room.

Capacity
113 pints/day at saturation; 53 pints/day at AHAM
Coverage
Up to 1,200 sq. ft.
Energy efficiency
2.27 L/kWh
Air flow
120 CFM (205 CMH)
Drainage
Gravity draining
Temperature range
33.8 to 104°F
Humidity range
36 to 90%
Filter
MERV-1
Sound level
Under 50 dBA
Dimensions
19.2 x 12.2 x 13.3 in (L x W x H)
Weight
41.70 lbs (18.91 kg)
Refrigerant
R32
Defrosting
Automatic

Questions and answers

How much water does the HD55 remove?
Up to 113 pints a day at saturation, or 53 pints a day under the AHAM standard. That suits a basement up to about 1,200 square feet.
Does it work in a cold basement?
Yes. Auto-defrost lets it operate down to about 36°F, so it handles unheated crawl spaces and cool basements.
Does it have a water tank?
No. It drains continuously through the included hose, so it needs a floor drain or a condensate pump.
Is the remote included?
No. The remote control for temperature and fan speed is an optional accessory.
Is it quiet enough for a living room?
No. It is a commercial-grade unit and owners describe it as loud, so it fits basements and utility rooms better.
How does it compare with a standard residential dehumidifier?
It removes more water, works at lower temperatures and drains continuously, but it is louder and lacks the smart features and built-in tank of home units.
Where is the AlorAir Sentinel HD55 Commercial Dehumidifiers for Basements with Drain Hose cheapest?
At AlorairCrawlspace, for $505.95, 22% under what the other stores charge, as of our latest check.
Where can I buy the AlorAir Sentinel HD55 Commercial Dehumidifiers for Basements with Drain Hose?
12 stores we checked sell it, including JB Tools, Amazon, Thedryair, AlorairCrawlspace, eBay.

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