An efficient small dehumidifier for a bedroom or damp room, from a familiar appliance brand. The spec sheet is thin, so buy where returns are easy.
Amazon $229.99The Whirlpool 25-Pint WHAD251AW is the better dehumidifier overall, rated 3.8 to 3.5. The Whirlpool 25-Pint WHAD251AW leads on value. The Moiswell Defender ME-7S wins on drainage. The Whirlpool 25-Pint WHAD251AW costs $131 less ($229.99 vs $360.99).
A tough, compact pump unit for a small crawl space or cool basement, where a plastic portable would not fit or last. For a living space, a cheaper 50-pint unit removes more water.
Amazon $360.99Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Whirlpool 25-Pint WHAD251AW for value ($9.26 per pint/day vs $14.78 per pint/day).
- Choose the Moiswell Defender ME-7S for drainage (built-in pump drains up to a sink or window vs drains downhill through a hose).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every small dehumidifier; a clear win is highlighted. How we rank explains each one.
| Factor weight | Whirlpool 25-Pint WHAD251AW | Moiswell Defender ME-7S |
|---|---|---|
| Overall rating | 3.8/5 | 3.5/5 |
| Value 30% | 77 $9.26 per pint/day | 37 $14.78 per pint/day |
| Efficiency 25% | 79 1.9 L/kWh | 77 1.8 L/kWh |
| Quiet 15% | 79 45 dB (maker rating) | 50 noise not published (neutral score used) |
| Drainage 15% | 50 drains downhill through a hose | 100 built-in pump drains up to a sink or window |
| Warranty 10% | 50 warranty not published (neutral score used) | 50 2-year warranty |
| Smart 5% | 0 no app control | 0 no app control |
Specifications
| Whirlpool 25-Pint WHAD251AW | Moiswell Defender ME-7S | |
|---|---|---|
| Performance | ||
| Capacity (2019 DOE) | 24.8 pints/day | 24.4 pints/day |
| Efficiency (IEF) | 1.9 L/kWh | 1.8 L/kWh |
| ENERGY STAR | Yes, Most Efficient | Yes |
| Energy use | 283 kWh/year | 285 kWh/year |
| Coverage (maker) | - | 1,000 sq ft |
| Lowest operating temperature | - | 41 °F |
| Noise | 45 dB | - |
| Drainage and controls | ||
| Built-in pump | No | Yes |
| Drain hose outlet | Yes | - |
| Wi-Fi app | No | No |
| Auto restart after power cut | - | Yes |
| Auto defrost | - | Yes |
| Build | ||
| Type | Portable | Portable |
| Refrigerant | R-32 | R-32 |
| Dimensions | 19.7 x 9 x 12.2 in | 12.9 x 15.5 x 12.4 in |
| Weight | 27.7 lb | 40 lb |
| Wheels | Yes | - |
| Warranty | - | 2 years |
