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    AlorAir Sentinel HD90 Basement and Crawl Space Dehumidifier

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    $947.11 $1,799.00
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    local_shippingEstimated to arrive Nov 12 - Nov 19

    In stock items: Products typically ship within 2-5 business days from when you place your order. Due to COVID-19 please allow 7 - 10 days for your order to arrive once you have received shipping confirmation.

    Pre-order/Out of stock items: Contact us for estimated shipping timeline. We are experiencing inventory and re-stocking delays due to port congestion. We appreciate your patience and understanding.

    High order volume due to COVID-19 may occasionally slow delivery for some items and you may experience extended wait times contacting our Customer Service team.

    For the fastest service and online support, please email us at for information regarding your order.

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    AlorAir Sentinel HD90 Basement and Crawl Space Dehumidifier

    The Sentinel HD90 is the largest crawl space dehumidifier for sale in the Alorair lineup. With a 90 pint per day capacity, the Sentinel HD90 is perfect for larger areas that need moisture control.

    Although the Sentinel HD90 is the most powerful crawl space dehumidifier offered by AlorAir, that doesn’t mean it sacrifices efficiency. While producing a 370CFM airflow, the machine runs at 2.8 L/kWh and only uses 5.5 amps.

    This dehumidifier also includes several convenient upgrades that makes operation simple. When it’s time to set your desired humidity level, just use the digital touchpad display screen. Once the set point is in place, the Sentinel HD90 requires minimal attention from you thanks to features like automatic humidistat control, temperature controlled defrost, and auto restart.

    • Moisture Removal Capacity (115V/60Hz): 90 Pints/Day @AHAM standards (in a room that's 80°F with 60% humidity), up to 198 Pints/Day@saturation levels (in a room that's 90°F, at 90% humidity)


    AlorAir Sentinel HD90 Dehumidifier Energy Star Energy Saver | Air Sanctuary


    Since it is Energy-Star rated, this dehumidifier will quickly remove moisture from the air without running up your utility bill. Energy Star appliances are not just better for the environment, they also cost 30% less to operate compared to non-Energy Star appliances.

    • Power Supply: 115V/60Hz
    • Coverage Area: Up to 2,600 Sq. Ft
    • COP 2.69L/Kwh (115v/60Hz)
    • Ideal for removing Damp, Mold, Rot, and Moisture from Museums/Sports Halls, Water Damage Restoration, Vehicle Storage, Basements / Cellars, Storage Areas, Garage, and Basement. Keep Dry and Restrain Bacterial Growth
    • Intelligent Control system: Automatic humidistat control, Water Full Protection, Timer


    AlorAir Sentinel HD90 Dehumidifier used in crawl spaces, basements, factories, shops | Air Sanctuary


    About the AlorAir Sentinel HD90 Dehumidifier

    RUGGED CRAWLSPACE/BASEMENT DEHUMIDIFIER : This Crawlspace/basement dehumidifier removes 90 Pints per day at AHAM condition in a room up to 2,600 Sq. Ft.

    It is fit for any basement, crawl space, storage areas, garage, or any large room. It is COP 2.69 L/kWh, so it quickly and effectively absorbs moisture without racking up your energy bill.

    DESIGNED FOR THE MODERN HOME: The AlorAir Sentinel HD90 dehumidifier was designed with the modern consumer in mind. All Special features make it the best for Crawlspace and Basement applications. It also comes with Auto Defrosting system, an added remote control system, Epoxy coated, G-3 Filter, Low-temperature operation, and is C-ETL certified.

    SUPER CONVENIENT: It is very easy to use. Simply adjust to your ideal moisture setting, then let it run its continuous 24-hour cycle using the drain hose, at which point it will automatically shut-off. It has a maximum moisture removal and odor reduction point that is monitored by the G-3 filter. The best part is that you do not need to pour out the water every hour like a normal domestic dehumidifier, there is no tank inside, it drains automatically.

    5 YEAR WARRANTY: Your 100% satisfaction is guaranteed with a 5 Year Warranty.

     AlorAir Sentinel HD90 Dehumidifier Rare earth alloy tube evaporator | Air Sanctuary


    To avoid Freon leakage, a fatal flaw for a dehumidifier, AlorAir has introduced a Rare Earth Alloy Tube Evaporator. This innovative feature extends the life of the coils by providing protection against, maintaining the coil’s heat transferability.

     AlorAir Sentinel HD90 Dehumidifier easy filter access | Air Sanctuary

    Easy Filter Access

    The high-dense G-3 filter protects internal components from damage due to dust and other particles ensure efficient operation and long-term use. Please replace the filter once per 2-3 months.


    AlorAir Sentinel HD90 Dehumidifier Optional Remote Control | Air Sanctuary

    Optional 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. Sold separately - purchase here.


    Unit Specifications

    Filter Clean Air Filter, G3 Filter
    Air flow 370 CFM
    Sound Pressure Level <58 dB(A)
    Refrigerant R410A
    Feet Adjustable Feet
    Defrosting Control System Auto Defrosting
    Functioning Temperature Range (33.8-104°F)
    Functioning Humidity Range 35~90%
    Weight 65 lbs


    Key Design Features

    • Automatic Defrosting System
    • Super COP
    • Rare earth alloy Tube Evaporator
    • Quick Access to Service
    • Small and Portable Size


    Other Features

    • Compressor Type: Rotary
    • Auto Defrosting
    • Easy Handling
    • Water-Proof Protection
    • Environmental R410A Refrigerant
    • Automatic Humidistat Control
    • Automated Start Function - set it and forget it
    • Rare Earth Alloy Tube Evaporator
    • HVAC Remote System
    • Remote Control (sold separately)
    • Low Temperature Operation
    • Bypass Air sensor


    What Comes in The Box?

    Sentinel HD90 Basement Dehumidifier ×1

    Drainage pipe ×1

    Clean Air Filter×1

    User Manual ×1


    Accessories You May Need

    Purchase the remote control here.

    Hang the dehumidifier with the Hanging Kit. Click here to purchase.

    Purchase replacement filters here.

    $947.11 $1,799.00

    Customer Reviews

    Based on 16 reviews

    oh boy! this machine loves to find water in the air! it is an absolute beast - I call it beastie! it sounds like a beast - you know it's working and you definitely know when it is working harder. I won't say it's loud, I am keeping it in the largest space of the house though because it's where all of my records are and I do want them protected as well.


    This is really an amazing dehumidifier, it works very well, it is very quiet, the device is not too bulky and easy to use. We use it in the basement to control the humidity there and connect the supplied hose for automatic drainage. It has been in existence for several months and can maintain humidity at around 50% without problems. I highly recommend this product.


    This is an effective dehumidifier, suitable for our basements above 2000 square feet. We have been using it for more than two months, essentially plugging it in and forgetting it. It has reduced the humidity to a comfortable level, which greatly reduces the musty smell. The noise level is so small that we don't pay much attention. If needed, I will buy it again.


    The product really works. I use it in a basement where the air is very humid and full of moisture. My office is in the basement and I stay there most of the time. When I realized that the office was humid, I decided to buy a dehumidifier. I read a lot of reviews and finally ordered the product. I am very happy. Since using this product, the air is obviously less humid and the environment is more comfortable. The dehumidifier does not take up much space and is very easy to install and use. It does not make a lot of noise, I just hope to buy it sooner. I would recommend it to anyone.


    After noticing the mold, we purchased this unit for the basement. We have conducted a lot of research and found that this is in line with our needs and price point. We are very satisfied with the purchase. We used it in a finished basement with an area of 1,800 square feet, and the amount of water pumped out far exceeded our expectations. The smell and musty smell disappeared. Glad we purchased this equipment.

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