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.
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).
These are close picks. Both score in the same range. The right call depends on buyer profile - read the per-buyer recommendations below.
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, first 2 years full coverage (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?
They are closely matched on our scoring, so the right pick comes down to your priorities. The verdict and spec table above compare them on price, features, and 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.