7 Best Dehumidifiers We’ve Tested and Reviewed (2025)

The first point to deliberation astir is really you’re going to drain nan h2o from nan dehumidifier. In nan basement, nan champion point you tin do is to usage nan dehumidifier’s continuous h2o drain conduit to either nan sump pump aliases a drain. If those options are not available, you mightiness beryllium emptying nan vessel aggregate times a day. The first clip I put a dehumidifier successful nan basement, nan vessel was filled successful 3 hours’ time. It’s each astir nan drainage. Also, knowing really to publication a label. If a dehumidifier is listed arsenic “50 pints,” that intends nan appliance tin region 50 pints of moisture from nan aerial successful a 24-hour period; it's not nan soul vessel capacity. Also, look for nan maximum area coverage. For example, nan Honeywell Smart 50 pint tin region 50 pints of h2o from 4,000 sq ft successful 24 hours.

If you, for illustration me, besides request a dehumidifier successful your metropolis apartment, past see buying 1 that’s easy to move astir pinch wheels and a handle. Some of these machines are heavy. Also, a mini dehumidifier successful nan bath is simply a bully thought to support nan dampness astatine bay, particularly if you person mold increasing connected your grout.

Lastly, do not portion nan h2o collected successful your dehumidifier tank. That h2o is not potable. Pour it down nan drain. A dehumidifier is not creating distilled water; that’s a different process and appliance.

Dehumidifying your home is 1 of nan 9 foundations for a patient home, according to Harvard’s TH Chan School for Public Health’s Healthy Buildings for Health initiative. Moisture tin origin mold to grow. And astir of my air value monitors, for illustration nan Awair Element and QP Pro, person a moisture aliases humidity reading. As personification who has a mold allergy—or astatine slightest that is what nan allergist’s trial confirmed—a dehumidifier is thing I should person purchased years ago. And while barren aerial tin beryllium a culprit for itchy eyes and respiratory issues, according to respective studies, location are galore benefits for little humidity successful nan home. The EPA recommends keeping humidity beneath 60 percent and ideally betwixt 30 and 50 percent.

It’s worthy noting that location are galore studies astir really debased humidity—or debased RH (relative humidity), nan magnitude of h2o vapor successful nan air—affects nan viability of definite viruses. One illustration was nan SARS coronavirus (not Covid-19), which had stableness successful low-temperature and low-humidity environments that facilitated transmission, while high-temperature and high-humidity specified arsenic tropical locales did not. I’m focusing connected nan unhealthy effects of precocious humidity, arsenic it tin spur mold growth.