Midea MAD20S1QWT vs Midea MAD50PS1QWT
The short answer
Midea MAD50PS1QWT comes out ahead overall with 8.3/10 against 6.6/10 for the Midea MAD20S1QWT. Midea MAD20S1QWT is stronger on noise. Midea MAD50PS1QWT is stronger on moisture removal performance, basement suitability, energy efficiency and value. At current verified prices, the Midea MAD20S1QWT costs about $70.00 less.
- Choose the Midea MAD20S1QWT if: Only small or finished basements, up to about 1,500 sq ft, that are mildly damp. It isn't for wet, open basements.
- Choose the Midea MAD50PS1QWT if: Most basements up to about 4,500 sq ft, especially ones without a floor drain, where water has to go up to a sink or out a window. Not for buyers who need it quiet.
Scores by criterion
| Criterion | Midea MAD20S1QWT | Midea MAD50PS1QWT |
|---|---|---|
| Moisture Removal Performance | 5.0Slowest unit in Bob Vila's basement test, at just under 1 pint/hour. Performance 3/5. | 8.4RTINGS gives it 8.5 for capacity on this exact model. Rated 49.67 pints/day by ENERGY STAR. Reviewed's fastest pull-down result was for the non-pump sibling. |
| Basement Suitability | 6.0Rated for only 1,500 sq ft. Gravity drain only, no pump. | 9.0RTINGS gives it 8.6 for basements. It has a built-in pump and is rated for 4,500 sq ft, but it's heavy on stairs. |
| Ease of Use & Emptying | 8.5Ran more than 40 hours between emptying, with a hose included and app alerts. | 8.5Very large nesting tank, app alerts and a pump. A full bucket is heavy. |
| Noise | 7.5Bob Vila scored it 4/5 for noise. No measured dB figure. | 5.5RTINGS gives it 5.7 for noise and says you'll clearly hear it in the same room. |
| Energy Efficiency | 6.5ENERGY STAR at an IEF of 1.7 L/kWh, the minimum for its class. | 7.3ENERGY STAR certified at an IEF of 2.01 L/kWh, which is the v6 minimum and not Most Efficient. |
| Value | 7.8Lowest price among the in-stock picks, and Bob Vila scores value 5/5. It removes less water per dollar than the #1 pick. | 9.2$249.99 from Amazon is the lowest price in this pool for a 50-pint unit with a pump and Wi-Fi. The warranty is 1 year. |
Specifications
| Spec | Midea MAD20S1QWT | Midea MAD50PS1QWT |
|---|---|---|
| Rated Capacity (DOE 2019) | 20 pints/day | 50 pints/day |
| Rated Coverage | 1,500 sq ft | 4,500 sq ft |
| Technology | compressor | compressor |
| Bucket Capacity | 25.4 pints | 34 pints |
| Built-in Condensate Pump | No | Yes |
| Wi-Fi / App Control | Yes | Yes |
| ENERGY STAR Certified | Yes | Yes |
| Weight | 33.07 lb | 41.54 lb |
Midea MAD20S1QWT
Pros
- Budget price
- Tank ran over 40 hours in Bob Vila's test
- Quieter than the 50-pint units
- Hose included for gravity draining
- Wi-Fi app alerts
- ENERGY STAR certified
Cons
- Slowest unit in Bob Vila's basement test
- Only suitable for about 1,500 sq ft
- Hard to move when full
- No built-in pump
A sensible low-cost choice for a small, mildly damp basement. If your space is large or genuinely wet, step up to a 50-pint model.
Full Midea MAD20S1QWT review →Midea MAD50PS1QWT
Pros
- Built-in pump lifts water to a sink or out a window
- Rated for up to 4,500 sq ft
- Large nesting tank of about 34 pints
- ENERGY STAR certified (-A variant)
- Wi-Fi app control
- Strong RTINGS scores for basement use and capacity
Cons
- RTINGS scores noise poor (5.7)
- Adds heat to the room
- Heavy at about 42 lb
- Only a 1-year warranty
- Sold under several suffixes (-A, -B), so check the exact model
The best fit for most basements. It combines large capacity, pump draining and a fair price. Accept the fan noise, confirm the exact model suffix when buying, and it should handle a big damp space without daily attention.
Full Midea MAD50PS1QWT review →Both products are part of our guide The Best Basement Dehumidifiers of 2026, where you can see every pick, how we score and current prices from each retailer.