AlorAir Sentinel HDi100 Whole-House Dehumidifier vs AlorAir Sentinel WHD 120 Whole-House Dehumidifier
Specs, prices, editor verdict, and who should buy which, compared side by side.
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AlorAir Sentinel HDi100 Whole-House Dehumidifier (premium, $1,050) vs AlorAir Sentinel WHD 120 Whole-House Dehumidifier (premium, $1,999). Different tools for different jobs (see the per-product details below).
Compared on 7 shared specs · same category (environment).
We have not scored these two head to head, so this page does not name a winner. The AlorAir Sentinel HDi100 Whole-House Dehumidifier starts at $1,050 and the AlorAir Sentinel WHD 120 Whole-House Dehumidifier at $1,999. The per-buyer recommendations below say who each one suits.
Side-by-side specs
| Spec | AlorAir Sentinel HDi100 Whole-House Dehumidifier | AlorAir Sentinel WHD 120 Whole-House Dehumidifier |
|---|---|---|
| price | $1,050 | $1,999 |
| type | Whole-house / crawl-space dehumidifier (with condensate pump) | Ducted whole-house / basement / crawl-space dehumidifier |
| capacity | 100 PPD at AHAM, up to 220 pints/day at saturation | 104 PPD at AHAM (80 F, 60% RH); 85 PPD at DOE whole-house (73 F, 60% RH) |
| coverage | Up to 2,900 sq ft | Up to 3,000 sq ft |
| certification | cETL listed | cETL (brand-stated) |
| efficiency | 2.7 L/kWh (microchannel condenser, auto defrost + restart) | 2.6 L/kWh AHAM (2.4 L/kWh DOE), SLGR, R32 refrigerant, auto defrost |
| dimensions | 23.8 x 14.7 x 17.9 in; 88 lb; 60 dBA; 33.8 to 104 F | 22.64 x 14.65 x 19.88 in; 89.07 lb |
| warranty | 6-year limited (first 2 years full coverage) | 6-year limited warranty; specific coverage for whole-house dehumidifiers is subject to The Dry Air's warranty terms (per The Dry Air) |
AlorAir Sentinel HDi100 Whole-House Dehumidifier also publishes: drainage
AlorAir Sentinel WHD 120 Whole-House Dehumidifier also publishes: airflow, filter, sound, power
Who should buy which
Homeowners protecting a large basement, crawl space, or whole-house envelope from moisture, mold, and wood rot who want set-and-forget operation with a built-in pump.
You only need to dry a single room or small crawl space (the lower-cost HDi65 or Helios units are a better fit), or you want true HEPA or carbon air purification rather than moisture control.
Homeowners conditioning a whole-house, basement, or sealed crawl-space envelope up to 3,000 sq ft who want ducted, set-and-forget humidity control with MERV-10 filtration on the airstream, installed in a mechanical space away from living areas.
Your space has no ductwork and you do not want an install project (the standalone Sentinel HDi100 at $1,050 covers 2,900 sq ft), your crawl space is small (Helios MP55, $699.66), or you expect HEPA-grade air purification, which this is not.
Go deeper
Frequently asked
Which is better, the AlorAir Sentinel HDi100 Whole-House Dehumidifier or the AlorAir Sentinel WHD 120 Whole-House Dehumidifier?
We have not scored these two head to head, so this page does not name a winner. The AlorAir Sentinel HDi100 Whole-House Dehumidifier starts at $1,050 and the AlorAir Sentinel WHD 120 Whole-House Dehumidifier at $1,999. The per-buyer recommendations below say who each one suits.
How much do they cost?
AlorAir Sentinel HDi100 Whole-House Dehumidifier: $1,050. AlorAir Sentinel WHD 120 Whole-House Dehumidifier: $1,999. Prices are verified against the manufacturer; check the live links for current pricing.
Who should buy which one?
AlorAir Sentinel HDi100 Whole-House Dehumidifier: Homeowners protecting a large basement, crawl space, or whole-house envelope from moisture, mold, and wood rot who want set-and-forget operation with a built-in pump. AlorAir Sentinel WHD 120 Whole-House Dehumidifier: Homeowners conditioning a whole-house, basement, or sealed crawl-space envelope up to 3,000 sq ft who want ducted, set-and-forget humidity control with MERV-10 filtration on the airstream, installed in a mechanical space away from living areas.
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