Costway - Ultrasonic Humidifier for Large Room 9L/2.38Gal Warm & Cool Mist Top Fill Ultrasonic Air Vaporizer - White
Customers are saying
Customers are enthusiastic about the Ultrasonic Humidifier for Large Room. The humidifier is considered a great purchase, with users reporting that it functions exceptionally well. Overall, users seem very happy with the performance of this product.
Features
Warm or Cool, As You Like
This ultrasonic humidifier provides 45℃/113℉ warm mist and 25℃/77℉ cool mist to meet your different needs in all seasons. The package contains two replaceable mist nozzles that are 360° rotatable: mist nozzle 1 creates 30° slanting mist while mist nozzle 2 creates vertical mist.
Large Capacity & Wide Coverage
The 2.4 gallon/9L water tank produces up to 60 hours of continuous mist for large rooms up to 60㎡/ 540 sq.ft. The compact and lightweight design makes it a perfect choice for various scenarios, such as bedroom, office, kids room, etc. It is equipped with 3 adjustable mist levels: low (150 ml/h), medium (250 ml/h) and high (350 ml/h). Plus, the mist is BPA free and this humidifier is ETL listed.
Auto Mode with Smart Humidity Control
You can set this air vaporizer in auto mode and it will auto control the room humidity at your desired level. RH<40%: high mist level and warm mist. RH 40%~60%: medium mist level and cool mist. (Note: the cool mist can be manually adjusted to warm mist). RH 60%~70%: low mist level and cool mist. RH>70%: stop spraying mist.
Safe & Considerate Designs
With sleep mode and silent operation, this air humidifier allows you to enjoy undisturbed sleeping. It has warm white LED night light, 1-12H timer and light off function. With water shortage protection and child lock, it will auto shut off when the water reaches minimum level and is friendly to family with kids and pets.
Other features
Smart humidifier with 360° oscillation, 3 mist levels (150/250/350ml/h), cool & warm mist options, and auto shut-off at low water. Features no-filter design, 35dB quiet operation, constant humidity tech, and covers up to 172 sq.ft.No Energy Star Certification
Specifications
- Maximum Recommended Room Size540 square feetApp CompatibleNoWireless ConnectivityNoneReservoir Capacity9.6 quartsHumidifier TypeCool Mist, Warm MistLow-Water IndicatorYes
Reviews
Rating 4.9 out of 5 stars with 19 reviews
- Overall Performance (11)
- Noise Level (7)
- Ease of Use (4)
- Capacity (3)
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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Beat the dry air and bring comfort to the whole family! The ultrasonic humidifier can effectively increase air humidity, which helps to avoid coughing and dry skin as well as improve sleeping quality, etc. This humidifier can produce warm or cool mist in 3 different mist levels according to your favor, and the 2.4 gallon large water tank offers long-lasting runtime up to 60 hours. Built in sleep mode and auto mode, this humidifier adds max convenience to your daily life. Moreover, users are able to control the humidifier using the touch control panel or the remote control. With top fill design, this air vaporizer is convenient to refill or empty the water as well as easy to clean after use. The slim and compact design makes this air humidifier easily fit into any corner in the room, suitable for bedroom, office, kids room and more.

Experience optimal humidity levels throughout your home with our whole house humidifier. Designed to efficiently humidify areas up to 2200 sq.ft, this large humidifier is ideal for homes, offices, and greenhouses. It offers up to 40 hours of continuous operation on low speed, providing consistent comfort. The large water tank and 4 stainless steel atomizers ensure efficient mist production. The 360° rotating nozzle distributes mist evenly, while 3 adjustable mist speeds (600 ml/h, 1300 ml/h, 2000 ml/h) give you complete control over humidity levels. With dual control options—an LCD panel and remote—you can easily adjust settings such as sterilization, timer, and sleep mode. The built-in humidity sensor maintains optimal moisture levels, and the auto shut-off function provides safety. The default humidity value is 45%, which increases by 5% every time you press until it reaches the maximum level of 90%. Featuring a user-friendly top-fill design for easy refilling and lockable wheels for easy mobility, this commercial humidifier ensures both convenience and peace of mind.

Experience ultimate comfort with the DREO Smart Cool Mist Humidifier, designed to effortlessly humidify large rooms up to 700 sq. ft. Its spacious 11L tank provides up to 100 hours of continuous hydration, while advanced atomization technology delivers a fine, even mist and helps keep surfaces dust-free. With ±5% precise humidity control, your ideal environment is always within reach. Effortless operation is guaranteed thanks to remote, voice, and app controls, allowing you to set schedules and receive cleaning reminders from anywhere. Bring reliable, whisper-quiet moisture to your home for healthier air and lasting comfort.

This compact 30 hour Ultrasonic Cool Mist Humidifier guards against problems caused by dry air in the home. It features an easy to fill .80 gallon tank, ideal to use on table tops, for use in small to medium rooms. Unlike other humidifiers that grow slimy mold on the water tank surface, Silver Clean Protection is embedded in the tank to fight the growth of mold and mildew on the surface of the water tank. Thanks to ultrasonic technology, it disperses a fine mist into the air, and is ultra-quiet making it ideal to have on while you sleep. It has an optional aromatherapy tray so a few drops of essential oil can be added to create a relaxing atmosphere. A low water indicator light lets you know when it's time to refill the water tank, and auto shut off feature when the water is too low. PureGuardian humidifiers create a better home environment for those suffering from colds, allergies and dry skin. Note: Run time is based off of running the unit on low setting and cool mist, also depends on atmospheric conditions.
| Pros for Costway - Ultrasonic Humidifier for Large Room 9L/2.38Gal Warm & Cool Mist Top Fill Ultrasonic Air Vaporizer - White | |||
|---|---|---|---|
| Overall Performance, Noise Level, Ease of Use, Capacity | Overall Performance, Portability, Humidity Output | There were no pros for this product— | Noise Level, Ease of use, Size, Performance, Mist Output |
| Cons for Costway - Ultrasonic Humidifier for Large Room 9L/2.38Gal Warm & Cool Mist Top Fill Ultrasonic Air Vaporizer - White | |||
| There were no cons for this product— | There were no cons for this product— | There were no cons for this product— | Battery Life, Cleaning |





































































