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We Offer Premium Remediation Solutions With A Wide Range Of Products, From Dehumidifiers To Air Movers And Hepa Scrubbers. We're Also Proud To Say That Most Of Our Products Are Cetl And Energy Star Certified.

Sentinel HD55S Dehumidifier has C-ETL approved. With the patent for invention protected, the unit is on the top list of energy-efficient products. This unit has a wide range of commercial applications including crawl spaces, basements, warehouses, offices, factories, shops, apartments, storage areas, restaurants, bars, and museums where to occur corrosion.

It can also help to resolve damage to inventory and building maintenance due to dampness. Sentinel HD55S was introduced to provide a one-stop service for your humidity problem, The preassembly, external condensate connection point, and side sliding filter, make the installation process simple.

See Features Below:

Designed for the Modern Home - For 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, and C-ETL listed.

Super Convenient Usage - This high-quality dehumidifier is 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, and it drains automatically.

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 energy but also making the unit last longer.

5 Years Warranty - Sentinel HD55S dehumidifier is fully compliant with the electrical safety ETL. Every AlorAir dehumidifier comes with a 5-year warranty with a 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.

Filter MERV-1 filter
Airflow 130 CFM, 230 CMH
Sound   Pressure Level <52 dB(A)
Refrigerant R410A
Wheel 4 Adjustable foot pad
Draining Gravity Draining
Defrosting   Control System Auto Defrosting
Functioning   Temperature Range 33.8~104 ℉
Functioning   Humidity Range 36~90%
Unit   Dim (L x W x H) 19.2"x12.2"x13.3"


  • High Moisture Removal: The ALORAIR HD55-Gold dehumidifier effectively removes up to 120 PPD (pints per day) of moisture, ideal for crawl spaces and damp environments.
  • Energy Efficient: Designed to consume less power while providing maximum moisture extraction, saving on energy costs over time.
  • Built for Crawl Spaces: Its compact, low-profile design fits perfectly into tight crawl spaces, ensuring optimal performance even in confined areas.
  • Continuous Drainage: Includes a drain hose for hassle-free, continuous drainage, eliminating the need for manual water removal.
  • Durable & Reliable: Built with high-quality materials to withstand the rigors of commercial use, ensuring longevity and dependability.
  • User-Friendly: Easy to operate with a simple interface and maintenance-free design, making it perfect for both professionals and DIYers

Q: What is the ALORAIR 120 PPD Commercial Dehumidifier?
A: The ALORAIR 120 PPD Commercial Dehumidifier is a powerful, high-capacity dehumidifier designed to remove moisture in large spaces, such as crawl spaces, basements, and warehouses, with an efficient drainage system for continuous operation.

Q: What areas is the HD55-Gold dehumidifier best suited for?
A: The HD55-Gold is ideal for crawl spaces, basements, water damage restoration, and other commercial environments that require high-performance moisture removal.

Q: Does the ALORAIR 120 PPD Dehumidifier come with a drain hose?
A: Yes, the dehumidifier includes a drain hose for continuous drainage, ensuring hassle-free operation without the need for manual water removal.

Q: What are the key features of the ALORAIR HD55-Gold Dehumidifier?
A:

  • 120 PPD (pints per day) moisture removal capacity
  • Automatic defrosting and continuous drainage
  • Compact design for tight spaces like crawl spaces
  • Durable, corrosion-resistant housing
  • Energy-efficient operation

Q: How efficient is the ALORAIR 120 PPD Dehumidifier?
A: The ALORAIR HD55-Gold is highly energy-efficient, offering superior moisture removal with lower energy consumption, making it a cost-effective solution for large-scale dehumidification needs.

Q: What is the warranty on the ALORAIR 120 PPD Dehumidifier?
A: The ALORAIR 120 PPD Commercial Dehumidifier comes with a 5-year warranty, ensuring long-term durability and performance.

  • Clean the Air Filter: Check and clean the air filter regularly to maintain optimal airflow. Wash with water and let dry before reinstalling.
  • Drain Hose Maintenance: Ensure the drain hose is clear of debris to prevent clogs. Clean the hose and its connections periodically.
  • Empty the Water Tank: If not using continuous drainage, empty the water tank regularly to avoid overflow or mold buildup.
  • Inspect Coils and Fin: Check the evaporator and condenser coils for dust or dirt. Clean gently with a soft brush or vacuum.
  • Keep Vents Clear: Ensure air intake and exhaust vents are unobstructed to maximize dehumidification efficiency.
  • Store Properly: When not in use, store the unit in a dry, cool place to avoid moisture damage