AlorAir Sentinel HD55S
#3 in Whole-homeFull review
For DIYers drying a crawlspace or small basement with a floor drain who want a proven unit for a few hundred dollars.
Amazon $486.49$486.49
3.1/5
For homeowners who want an efficient ducted unit that also handles fresh-air ventilation and cold spaces; most worth it in tight, humid homes.
- 82.1 pints/dayCapacity
- 2.6 L/kWhEfficiency
- Drain hoseDrainage
- 5 yearsWarranty
Check price at Amazon$2,682
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Keeps working down to 34 F, so it suits cold basements and crawlspaces
- ENERGY STAR Most Efficient, keeping running costs down
- 8 in fresh-air port lets it ventilate the house as well as dry it
- Five-year full replacement warranty
Cons
- Long 39 in, 101 lb cabinet needs plenty of space and two people to move
- Pricey, and sold mainly through dealers
- No pump included; noise level isn’t published
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | 4047100 (Ultra V100) |
|---|---|
| Performance | |
| Capacity (2019 DOE) | 82.1 pints/day |
| Efficiency (IEF) | 2.6 L/kWh |
| ENERGY STAR | Yes, Most Efficient |
| Energy use | 419 kWh/year |
| Coverage (maker) | 2,300 sq ft |
| Lowest operating temperature | 34 °F |
| Drainage and controls | |
| Built-in pump | No |
| Drain hose outlet | Yes |
| Wi-Fi app | No |
| Auto defrost | Yes |
| Build | |
| Type | Whole-home |
| Refrigerant | R-454B |
| Dimensions | 24 x 14.35 x 39.25 in |
| Weight | 101 lb |
| Wheels | No |
| Warranty | 5 years |
| Sealed-system warranty | 6 years |
Alternatives in this size
AprilAire E130
#4 in Whole-homeFull review
For big or very humid houses where a single ducted unit has to keep up all summer; overkill for an average home.
Amazon $2,500$2,500
Honeywell Home DHM120
#6 in Whole-homeFull review
For large homes where an HVAC contractor is already installing Honeywell Home or Resideo equipment; DIY buyers have easier options.
Jackson Systems $2,649$2,649
Compare
Compare the Santa Fe Ultra V100 with any other dehumidifier →
More from Santa Fe: every Santa Fe product ranked.