10 Best Inexpensive Humidifiers 2025 in the United States

The LEVOIT Dual 200S is an ultrasonic cool mist humidifier that fits well for bedroom spaces up to about 290 square feet. Its 3-liter water tank is a good size, allowing it to run for many hours without refilling, and the top-fill design makes adding water and cleaning straightforward without mess. It runs quietly thanks to upgraded noise-reducing features, making it a great choice for light sleepers or quiet rooms.

This model stands out with smart features like app and voice control via Alexa or Google Assistant, letting you adjust humidity remotely or with simple voice commands. It also has an auto mode with a built-in sensor to maintain your set humidity level automatically, which is great for convenience and energy savings. An added bonus is the ability to use essential oils for gentle fragrance, enhancing your room's atmosphere.

While it covers medium-sized rooms well, it may not be enough for larger spaces, and the warranty/support is US-based which might be less convenient internationally. It is also important to avoid overfilling the tank to keep it running smoothly. This humidifier delivers good value for those seeking quiet operation, smart control, and easy maintenance in a moderately sized room.

The LEVOIT Dual150 is a cool mist ultrasonic humidifier with a 3-liter water tank, suitable for rooms up to about 290 square feet. Its top-fill design makes refilling easy and reduces spills, which is great for quick maintenance. The 3-liter capacity allows it to run up to 25 hours on a single fill, meaning less frequent refills especially overnight. It operates very quietly, making it ideal for bedrooms, nurseries, or any space where noise might disturb sleep. A handy knob controls mist output, and the 360° adjustable nozzle lets you direct the moisture wherever you need it most.

This model also doubles as an essential oil diffuser, letting you add a pleasant scent to your room, and includes an optional night light to create a calming atmosphere. It comes with a pre-installed water filter and offers replaceable filters to maintain good performance and hygiene. On the downside, while cleaning is generally easy thanks to the wide opening, some users may find the plastic parts require regular care to avoid buildup. Also, although it covers small to medium rooms well, it might not be sufficient for larger living areas.

Its simple controls are intuitive but lack digital displays or smart features found in pricier models. For those seeking an affordable, quiet humidifier with decent capacity and added aromatherapy options, the LEVOIT Dual150 meets these needs effectively.

The LEVOIT OasisMist 600S is a versatile ultrasonic humidifier suitable for medium to large rooms up to about 430 square feet. It features a generous 6-liter water tank that can run up to 60 hours without a refill, making it ideal for those who prefer less frequent maintenance. Users can select between warm and cool mist options, helping reduce white dust and providing safer warm mist temperatures, which benefits people with sinus issues or sensitive skin. Its noise-reduction technology ensures quiet operation, making it appropriate for bedrooms and living areas without disturbing sleep.

A notable feature of this model is its smart control capabilities. It can be managed remotely via an app, allows scheduling, and includes an auto mode to maintain humidity levels between 40% and 60%, a comfortable range for most individuals. The top-fill design with a wide opening simplifies refilling and cleaning compared to many other humidifiers, minimizing spills and hard-to-reach areas. Additionally, it has an aroma diffuser function that lets users add essential oils for a pleasant scent experience.

This humidifier is somewhat larger and heavier than simpler models, which might not be ideal for very small spaces or those seeking an ultra-compact device. While reasonably priced given its capacity and features, it may exceed the needs of someone looking for a basic, inexpensive humidifier. Maintaining regular cleaning is important to ensure healthy use and prolong the unit's lifespan, as is typical with most humidifiers. This LEVOIT model is a strong choice for those who want a quiet, large-capacity humidifier with smart controls and mist options, especially users who value automation and aromatherapy.