Moiswell Defender ME-7S vs Whirlpool 25-Pint WHAD251AW

Last updated: October 22, 2026

The 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).

Moiswell Defender ME-7S vs Whirlpool 25-Pint WHAD251AW

Prices 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?

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 weightWhirlpool 25-Pint WHAD251AWMoiswell Defender ME-7S
Overall rating3.8/53.5/5
Value 30%77 $9.26 per pint/day37 $14.78 per pint/day
Efficiency 25%79 1.9 L/kWh77 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 hose100 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 control0 no app control

Specifications

Whirlpool 25-Pint WHAD251AWMoiswell Defender ME-7S
Performance
Capacity (2019 DOE)24.8 pints/day24.4 pints/day
Efficiency (IEF)1.9 L/kWh1.8 L/kWh
ENERGY STARYes, Most EfficientYes
Energy use283 kWh/year285 kWh/year
Coverage (maker)-1,000 sq ft
Lowest operating temperature-41 °F
Noise45 dB-
Drainage and controls
Built-in pumpNoYes
Drain hose outletYes-
Wi-Fi appNoNo
Auto restart after power cut-Yes
Auto defrost-Yes
Build
TypePortablePortable
RefrigerantR-32R-32
Dimensions19.7 x 9 x 12.2 in12.9 x 15.5 x 12.4 in
Weight27.7 lb40 lb
WheelsYes-
Warranty-2 years

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