6 models · 20 specs · all prices checked May 2026 · 价格以美元计。通过Amazon.com配送。
50 pints/day, built-in pump, 3,000 sq ft, Energy Star. The default recommendation for most damp rooms and basements.
在Amazon上查看 →70 pints/day, 4,500 sq ft, built-in pump with upward drainage, Turbo mode. For severe moisture problems.
在Amazon上查看 →Completely silent thermoelectric — no compressor. Best for bedrooms, bathrooms, caravans up to 1,100 cu ft.
在Amazon上查看 →130 pints/day, ducted whole-home installation, 5,200 sq ft, 5-year warranty. For whole-house humidity control.
在Amazon上查看 →$44 · Completely silent · No pump needed · Best for small spaces. Most affordable in this comparison.
在Amazon上查看 →| Core specifications | ||||||
| Capacity (pints/day) | 50 pints/day (DOE) — suitable for rooms up to 3,000 sq ft | 50 pints/day (DOE) | 70 pints/day (DOE) — highest in this comparison | 16 oz / 473ml per day | 130 pints/day — whole-home capacity | 30 pints/day (DOE) — rooms up to 1,500 sq ft |
| Coverage area | Up to 3,000 sq ft in high humidity | Up to 3,000 sq ft | Up to 4,500 sq ft | Up to 1,100 cubic feet | Up to 5,200 sq ft whole home | Up to 1,500 sq ft in moderate humidity |
| Pump / drainage | Built-in pump for continuous drainage | Built-in pump | Built-in pump — upward drainage capability | Thermoelectric (Peltier) — no compressor, silent | Ducted HVAC — professional installation required | Gravity drain only (no pump) |
| Smart / WiFi | 13.1 pints removable tank | SmartDry app — remote monitoring and scheduling | Yes — maximum airflow for rapid dehumidification | Completely silent (no moving parts in cooling system) | Automatic digital humidity control | Auto-adjusts based on current humidity |
| Energy Star | Yes — certified | Yes | Yes | 52 oz / 1.5L removable tank | Continuous gravity drain — no manual emptying | Yes |
| Noise level | ~51 dB | Yes — restores settings after power outage | 14.1 pint removable tank | N/A — very low power consumption | 5 years | 12 pint removable tank |
| Performance scores (out of 100) | ||||||
| Moisture removal | 92 | 91 | 97 | 62 | 99 | 84 |
| Ease of use | 90 | 88 | 85 | 97 | 72 | 91 |
| Value | 91 | 93 | 88 | 96 | 76 | 89 |
| Build quality | 88 | 86 | 89 | 78 | 97 | 84 |
| Technology & features | ||||||
| Built-in pump (continuous drainage) | ✓ | ✓ | ✓ | ✗ | ✗ | ✗ |
| WiFi / app control | ✗ | ✓ | ✗ | ✗ | ✗ | ✗ |
| Energy Star certified | ✓ | ✓ | ✓ | ✗ | ✗ | ✓ |
| Silent thermoelectric (no compressor) | ✗ | ✗ | ✗ | ✓ | ✗ | ✗ |
| Ducted whole-home installation | ✗ | ✗ | ✗ | ✗ | ✓ | ✗ |
| Portable (freestanding) | ✓ | ✓ | ✓ | ✓ | ✗ | ✓ |
| Turbo / high-speed mode | ✗ | ✗ | ✓ | ✗ | ✗ | ✗ |
| Auto-restart after power outage | ✓ | ✓ | ✓ | ✗ | ✗ | ✗ |
| Capacity & coverage details | ||||||
| Capacity (pints/day) | 50 pints/day | 50 pints/day | 70 pints/day | 16 oz/day | 130 pints/day | 30 pints/day |
| Coverage area | Up to 3,000 sq ft | Up to 3,000 sq ft | Up to 4,500 sq ft | Up to 1,100 cu ft | Up to 5,200 sq ft | Up to 1,500 sq ft |
| Unit type | Compressor — portable | Compressor — portable / smart | Compressor — portable | Thermoelectric (silent) | Compressor — ducted (whole-home) | Compressor — portable |