How much moisture does the HD55 remove?

It is rated at up to 113 pints per day at saturation conditions. Real-world output drops as temperature and humidity fall, which is normal for any refrigerant dehumidifier.

Does it need a drain hose?

Yes. It is designed for continuous gravity drainage through the included hose, so it needs a drain point lower than the unit. There is no tank to empty.

Can it pump water uphill?

This model has no built-in condensate pump. If your drain is above the unit, you need a separate pump.

Is it good for a basement or only a crawl space?

It works in basements, garages and small commercial rooms too. It is a fixed-installation machine, so plan where it will sit.

It is a commercial-grade unit, so expect more noise than a portable home dehumidifier. Owners often note it is audible through nearby walls.

Homeowners and small-property owners with a persistently damp crawl space or basement who want continuous, hands-off moisture control.

AlorAir 113 PPD Crawl Space Dehumidifiers with Drain Hose Sentinel HD55

Q: Where is the AlorAir 113 PPD Crawl Space Dehumidifiers with Drain Hose Sentinel HD55 cheapest?

At AlorairCrawlspace, for $499.36, as of our latest check.

Q: What do buyers say about the AlorAir 113 PPD Crawl Space Dehumidifiers with Drain Hose Sentinel HD55?

Rated 4.8 out of 5 from 21 ratings.

Best price now

$499.36at AlorairCrawlspaceChecked Nov 10

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What reviewers say

4.8 / 521 ratings

Owners give the HD55 strong marks, mostly for pulling moisture out of crawl spaces and basements and for being easy to set up and leave running. Complaints center on noise and on planning drainage before installation.

What people mention

Moisture removalPraisedOwners say it noticeably dries out damp crawl spaces and basements.
SetupPraisedBuyers describe installation and the drain hose hookup as straightforward.
NoiseCriticisedSome owners find it louder than expected when running near living areas.
DrainageMixedContinuous drain works well, but owners say you need to plan a drain point or pump.
SizePraisedThe low-profile cabinet fits into tight crawl spaces.

About the AlorAir 113 PPD Crawl Space Dehumidifiers with Drain Hose Sentinel HD55

The AlorAir Sentinel HD55 is a commercial-grade dehumidifier for crawl spaces, basements, garages, warehouses, factories and stores. It is compact and removes up to 113 pints of water from the air per day at saturation, or 53 pints per day at AHAM conditions. It works in spaces up to 1,200 square feet.

Water drains by gravity, and a drain hose is included in the product name. The air outlet can be ducted when needed. The unit uses a MERV-1 filter.

Several accessories are sold separately. An optional remote control connects through a 26.25-foot CAT 5 cable. It starts and stops the unit, adjusts the humidity level, switches between dehumidification and duct mode, and controls continuous mode and the drain pump, if fitted. It also has a temperature sensor. Hanging kits are also available. When properly installed, they help reduce noise and vibration so they are not transferred to the floor above.

Capacity

113 pints per day at saturation; 53 pints per day at AHAM

Coverage

Up to 1,200 sq. ft.

Efficiency

2.27 L/kWh

Air flow

120 CFM (205 CMH)

Draining

Gravity draining

Temperature range

33.8 to 104 °F