AlorAir
AlorAir Sentinel HD90: Specs & Research
AlorAir Sentinel HD90 is a crawl-space dehumidifier with manufacturer-reported 90 PPD AHAM capacity, 198 PPD maximum removal, coverage up to 2,600 sq ft, and a gravity-drain configuration.
Product research actions
Sentinel HD90
Use the actions below to compare this model, open any available product page link, or view the official manufacturer source. This page does not represent a hands-on product review.
Quick specs
- AHAM removal
- 90 pints/day
- Maximum removal
- 198 pints/day
- Manufacturer max coverage
- 2,600 sq ft
- Built-in pump
- No
Verified specifications
- AHAM removal capacity
- 90 pints/day
- Maximum/saturation removal
- 198 pints/day
- Manufacturer-reported max coverage
- 2,600 sq ft
- Airflow
- 210 CFM
- Built-in pump
- No
- Drainage method
- Gravity drainage
- Drain hose length
- 1.3 ft
- Operating temperature range
- 33.8-104 F
- Dimensions
- 23.2" L x 15.2" W x 17.7" H
- Weight
- 67.2 lb
- Voltage
- 115V
- Filter
- MERV-1; optional MERV-8
- Warranty
- Not verified
- Operating current
- 5.56 A
- DrySpace-estimated power draw
- 639 W
AHAM PPD vs maximum PPD
This product has both AHAM and maximum/saturation moisture-removal ratings in the verified database. Maximum or saturation PPD is typically measured under more humid conditions, while AHAM PPD is a more standardized moderate-condition rating. Compare both values, but do not treat maximum PPD alone as proof that a unit is the right fit for a specific crawl space.
Drainage and pump setup
- Built-in pump
- No
- Drainage method
- Gravity drainage
- Drain hose length
- 1.3 ft
Because this model does not have a verified built-in pump, a suitable gravity-drain path may be required unless another external condensate solution is used. That can be fine when the unit can drain reliably downhill.
A pump configuration is not universally better than gravity drainage. The practical choice depends on the crawl-space layout, drain route, and where condensate can safely discharge.
Coverage and sizing context
Manufacturer-reported maximum coverage
The stored manufacturer-reported maximum coverage for this model is 2,600 sq ft. This is not a DrySpace sizing guarantee. Crawl-space height, sealing, climate, airflow, moisture load, and water intrusion can all affect whether a product is practical for a specific space.
Check this model against your crawl-space constraintsOperating-cost data
Estimated input power: 639 W
This is a DrySpace estimate derived from manufacturer electrical data, not manufacturer-published wattage.
Estimated by DrySpace from manufacturer-rated 5.56 A × 115 V.
Verification and source links
Data status
Specifications last verified: 2026-09-05
DrySpace leaves missing or conflicting information marked as not verified rather than choosing a value without support from the current product record.