The Best Humidifiers of 2026

If you want the quietest, easiest to live with pick for a bedroom or office up to about 500 square feet, the Levoit Classic 300S ($71.99) is the ultrasonic humidifier to buy. Levoit rates it at 30 decibels or below on its lowest setting, though RTINGS measured 33.0 dBA in its lab, and it holds a target humidity on its own once you set one. If you are shopping for a nightstand unit and want the lowest price in this guide, the Vicks V745A ($42.96) is a filter free warm mist humidifier built for a single medium to large room.

For a whole bedroom or an open living area, the Honeywell HEV620B ($119.95) is a tower style evaporative humidifier with a digital humidistat that shuts itself off at your target humidity, and the Homedics TotalComfort Deluxe ($159.99) is the only pick here that switches between warm and cool mist from the same tank. The Canopy Bedside Humidifier 2.0 ($159.00) costs more up front but is the only model with fully dishwasher safe parts, which matters most if cleaning is your biggest complaint about humidifiers. These picks are built from published specs, certification and recall databases, and named third-party lab measurements, not our own testing; see how we score for the method.

How we picked

Every humidifier here is scored 0 to 10 on five criteria, weighted to match what actually changes how a humidifier performs in a room:

• Output vs room size (30%): the tank capacity and the manufacturer’s published square footage rating, checked against real bedroom and living room sizes.
• Running cost (20%): what it costs to keep the unit running for three years, counting filter or wick replacements and, for warm mist units, the extra electricity a heating element draws.
• Ease of cleaning (20%): tank opening width, whether parts are dishwasher safe, and how often the tank or filter needs attention to avoid mineral buildup or mold.
• Noise (15%): the published decibel rating on the lowest setting where a brand lists one, and verified buyer reports where it does not.
• Features (15%): humidistat control, mist settings, night light, app or remote control, and warm or cool mist options.

This is a researched guide, not a lab test. We read each brand’s own product page, spec sheet and published price for every unit here rather than running them side by side. For the full method, see how we score.

What to look for

• Coverage vs tank size: a bedroom pick should cover at least 250 square feet on one fill; a whole floor needs 500 square feet or more, like the Homedics TotalComfort Deluxe’s 521 square foot rating.
• Noise on the lowest setting: look for a published rating at or under 30 dB, the number Levoit lists for the Classic 300S. If a brand does not publish a decibel number, check verified buyer reviews before you put it in a bedroom.
• Electricity, not just the sticker price: a 260 watt warm mist unit like the Vicks V745A run 8 hours a night can add close to $130 a year in electricity at $0.17 per kWh, versus under $15 a year for a 26 watt ultrasonic unit like the Levoit.
• Filter or wick cost: evaporative and filtered models need a new wick or cartridge every 30 to 60 days, at $12 to $19 each. Filter free ultrasonic and warm mist units skip that cost but can need occasional descaling in hard water areas.
• Tank opening and dishwasher safe parts: a wide, top fill opening of at least 3 to 4 inches is far easier to scrub weekly than a narrow neck, and parts that go straight into the dishwasher save the most time.
• Built in humidistat: a unit that targets 40 to 50 percent relative humidity and shuts off on its own, like the Honeywell HEV620B and Homedics TotalComfort Deluxe, is less to manage than a plain on and off dial.

Dry air is only half the indoor air quality picture. If dust, pet dander or smoke is also a concern, our best air purifiers guide covers the other half.

FAQ

What humidity level should I set my humidifier to?

Most indoor air quality guidance targets 30 to 50 percent relative humidity. Going much above 50 percent can encourage mold and dust mites, and going much below 30 percent tends to dry out skin, wood furniture and static prone fabrics.

Is ultrasonic or evaporative better for a bedroom?

Ultrasonic units like the Levoit Classic 300S are generally quieter and use less electricity because they vibrate water into a mist instead of running a heating element. Evaporative units like the Honeywell HEV620B need a wicking filter to work, which adds a small ongoing cost but also naturally limits over humidifying a room.

How often do I need to replace a humidifier filter?

Most wicking filters in evaporative humidifiers need replacing every 30 to 60 days with regular use, and subscription filters like Canopy’s are built around a 45 day cycle. Filter free ultrasonic and warm mist units do not have this cost, though hard water can still leave mineral deposits that need occasional descaling.

Can I run a humidifier all night?

Most of the models here are rated for continuous overnight use, and a few, like the Homedics TotalComfort Deluxe’s 85 hour tank, are built to run for days between refills. A model with a built in humidistat is the safer choice for unattended overnight use since it shuts off once the room reaches your target humidity.

Does a bigger tank mean less cleaning?

A bigger tank means fewer refills, but not necessarily less cleaning. Tank opening width and whether parts are dishwasher safe, like the Canopy Bedside Humidifier 2.0’s tank, tray and cap, matter more for weekly cleaning time than how many gallons the tank holds.