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 $360.99The Moiswell Defender ME-7S is the better dehumidifier overall, rated 3.5 to 3.2. The Moiswell Defender ME-7S leads on value, drainage and warranty. The Waykar PD160B-PRO wins on efficiency. The Waykar PD160B-PRO costs $175 less ($185.99 vs $360.99).
A small, quiet and very efficient unit for a bedroom, closet or small apartment. It is too small for a damp basement.
Amazon $185.99Prices 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 Moiswell Defender ME-7S for value ($14.78 per pint/day vs $18.31 per pint/day), drainage (built-in pump drains up to a sink or window vs drains downhill through a hose) and warranty (2-year warranty vs 1-year warranty).
- Choose the Waykar PD160B-PRO for efficiency (1.9 L/kWh vs 1.8 L/kWh).
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 | Moiswell Defender ME-7S | Waykar PD160B-PRO |
|---|---|---|
| Overall rating | 3.5/5 | 3.2/5 |
| Value 30% | 37 $14.78 per pint/day | 12 $18.31 per pint/day |
| Efficiency 25% | 77 1.8 L/kWh | 87 1.9 L/kWh |
| Quiet 15% | 50 noise not published (neutral score used) | 100 38 dB (maker rating) |
| Drainage 15% | 100 built-in pump drains up to a sink or window | 50 drains downhill through a hose |
| Warranty 10% | 50 2-year warranty | 0 1-year warranty |
| Smart 5% | 0 no app control | 0 no app control |
Specifications
| Moiswell Defender ME-7S | Waykar PD160B-PRO | |
|---|---|---|
| Performance | ||
| Capacity (2019 DOE) | 24.4 pints/day | 10.2 pints/day |
| Efficiency (IEF) | 1.8 L/kWh | 1.9 L/kWh |
| ENERGY STAR | Yes | Yes, Most Efficient |
| Energy use | 285 kWh/year | 144 kWh/year |
| Coverage (maker) | 1,000 sq ft | 2,000 sq ft |
| Lowest operating temperature | 41 °F | - |
| Noise | - | 38 dB |
| Drainage and controls | ||
| Bucket | - | 5 pints |
| Built-in pump | Yes | No |
| Drain hose outlet | - | Yes |
| Wi-Fi app | No | No |
| Auto restart after power cut | Yes | Yes |
| Auto defrost | Yes | Yes |
| Build | ||
| Type | Portable | Portable |
| Refrigerant | R-32 | R-290 |
| Dimensions | 12.9 x 15.5 x 12.4 in | 19.3 x 8.4 x 10.9 in |
| Weight | 40 lb | 22.1 lb |
| Warranty | 2 years | 1 years |
