When shopping for a dehumidifier, you'll notice two separate capacities listed: the moisture removal capacity and the tank capacity. The moisture removal capacity refers to how much water the device can remove from the air in 24 hours, while the tank capacity is how much the tank can hold—usually far less than the moisture removal capacity.The larger and/or more humid your basement is, the . Typically, you’ll find capacities anywhere from 1 to 60 pints per day. Keep in mind, the listed amount doesn’t directly correlate with how much water will be removed from the air. If the air in your basement is already close to the humidity setting you choose, the dehumidifier won’t pull its maximum capacity out.A dehumidifier’s tank size will determine how much collected water the unit can hold. Smaller dehumidifiers like the only hold around 3 pints of water, while larger tanks can hold up to 34 pints. The bigger the tank is, the less often you’ll need to empty it. Larger tanks aren’t always better, though, since they become very heavy once filled with water.Most dehumidifiers offer timer features or will automatically turn off once the tank is full. If you plan on running your dehumidifier consistently and collect the water through the tank instead of a drain hose, you’ll want to plan on emptying the tank once a day to keep it running., For this report, we pulled together models that not only draw moisture from humid indoor air quickly and efficiently but also maintain consistent performance through the harsh conditions posed by, After carefully evaluating top-rated options from trusted brands, we selected the Midea 50-Pint Cube Dehumidifier as the best dehumidifier for basements overall, thanks to its generous.