Four dehumidifiers below were checked on Amazon on October 12, 2026. Several older picks on the old page are gone or have too few ratings, so they were dropped. Specs come from Amazon listings and are maker claims.
A 30-pint dehumidifier is the common size for one damp room. The number on the box does not always mean what it used to. Here is what to know and four models worth a look.
Table of Contents
Is a 30-Pint Dehumidifier Big Enough?
It depends on the room and the test. Since June 2019 the U.S. test runs at 65 degrees and 60 percent humidity. A unit labeled 30 pints under the old test is rated about 22 under the new one. So check which test a listing uses before you compare numbers.
A 22 to 35 pint unit fits a moderately damp room up to about 1,500 to 3,000 square feet, per the listings. A very wet basement needs more. Use the dehumidifier pint calculator and read how to choose the right size dehumidifier.
Who Should Buy One?
- A bedroom or living room that feels sticky in summer.
- A small basement room that is damp but not wet.
- A laundry room, a bathroom or a hobby room.
- A small apartment where a bigger unit is too loud and too large.
Looking ahead, the 30-pint size is disappearing from labels. Since the 2019 test change, many units sold as 30 pints are now rated around 22, and makers have started selling new models as 22, 31 or 35 pints. The catch is that old and new numbers sit side by side in listings, so a 30-pint sticker tells you less than it used to.
4 Dehumidifiers in the 30-Pint Class
Prices and ratings were checked on Amazon on October 12, 2026.
Price on Amazon: $169.99 | 4.5 stars from 6,481 ratings (checked October 12, 2026)
The Yaufey 31 Pint is listed for 2,500 square feet with a drain hose, a water tank, a 24 hour timer and auto shut off. It has a 4.5 rating from over 6,400 ratings. See our Yaufey review.
Price on Amazon: $194.99 | 4.4 stars from 7,197 ratings (checked October 12, 2026)
The Midea 22 Pint is listed for 1,500 square feet, with Wi-Fi, Energy Star and 47 dBA. It has a 4.4 rating from over 7,100 ratings. See our Midea 22 review.
Price on Amazon: $206.99 | 4.3 stars from 146 ratings (checked October 12, 2026)
The Midea Cube 35 Pint is listed for 3,500 square feet with Wi-Fi and Energy Star. It has a 4.3 rating from 146 ratings, so the review base is small. See our Midea 35 review.
Price on Amazon: $129.99 | 4.0 stars from 71 ratings (checked October 12, 2026)
The Haier DM32M is a 32 pint unit at about $130. It has a 4.0 rating from 71 ratings, the weakest review base in the list.
The risk to watch is buying a unit that is too small and runs nonstop. A 30-pint label in a wet, 1,500 square foot basement may leave the air at 65 percent humidity. Mold can grow on a wall while the machine runs. Expect more listings with big coverage claims and small tanks. Use a hygrometer, compare the square feet and drain the unit with a hose when you can.
Features That Matter
- Hose drain. Skip the bucket. A 30-pint tank is small and fills fast in a damp room.
- Humidistat. It holds your target humidity so the unit cycles off.
- Noise. A small unit should be about 45 to 50 dB. For a bedroom, see our list of bedroom dehumidifiers.
- Auto-restart. It starts again after a power cut.
- Filter. A washable filter saves money.
Care Tips
- Clean the filter every few weeks.
- Keep it 6 inches from walls so air can move.
- Shut the door and windows in the room.
- Set humidity to 45 to 50 percent. Do not go lower.
FAQ
How many square feet does a 30-pint dehumidifier cover?
The listings above say 1,500 to 3,500 square feet for 22 to 35 pint units. Treat it as the top end for a damp room.
Is 30 pints the same as 22 pints?
Roughly, under the current test. The old 30-pint label became about 22 pints in 2019.
Can you run a 30-pint unit in a basement?
Yes, if it is small and mildly damp. For a large or wet basement, pick 50 pints or more.
Final Word
For most damp rooms, the Yaufey 31 Pint or the Midea 22 Pint is a safe pick. Step up to a 50-pint unit if the space is large or wet.
What happens next: expect small dehumidifiers to add Wi-Fi, a hose drain and Energy Star labels at the same price. For one damp room, a 22 to 35 pint unit is still the practical size.
Related Guides
Keep going with how to choose the right size dehumidifier, dehumidifier pint calculator, Yaufey 30 pint review, Midea 22 pint review and bedroom dehumidifiers.
