Customer Reviews For The Honeywell Dual Comfort Cool + Warm Mist Humidifier with Humidistat

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Does this humidifier require a replacement filter?

No, this dual mist humidifier features a completely filter free design. It operates efficiently without the ongoing cost or hassle of purchasing replacement filters.

Can I use essential oils directly in the water tank?

No, essential oils or liquid inhalants should never be added directly into the water tank or the base reservoir, as they can damage the plastic components. Instead, use the dedicated essential oil cup located on the unit to enjoy soothing aromatherapy with your moisture stream.

What is Fusion Mist Technology and how does it work?

Fusion Mist Technology combines the benefits of both warm and cool moisture. For warm mist, the system boils the water to generate a comforting, bacteria-free vapor that is ideal for dry winter air and cold seasons. Alternatively, it can deliver a refreshing, instant cool mist perfect for year-round comfort.

How do I clean my Honeywell Ultra Plus Ultrasonic Cool Mist Humidifier?

To keep your humidifier running efficiently, clean it regularly. Weekly cleaning is recommended. All maintenance should be done in the kitchen or bathroom on a water-resistant surface near a faucet.

To properly clean your humidifier, we recommend the separate processes of scale removal and disinfecting.

These two processes must be performed separately. See product support page for step by step cleaning instructions.

The Honeywell Dual Comfort Cool + Warm Mist Humidifier with Humidistat (HWC778) brings customizable, year-round comfort to your home by adapting seamlessly to shifting weather and seasonal needs. Featuring innovative Fusion Mist Technology, this Honeywell Humidifier boils water to generate a soothing, comfortably warm vapor that is ideal for winter months and flu season, while also offering an instant, refreshing cool mist option that is perfect for maintaining your room's natural climate. With three adjustable mist output levels for both its cool and warm settings, this filter-free humidifier easily blankets large living spaces with essential, dry-air relieving moisture.

Engineered for optimal control and low maintenance, the HWC778 is equipped with an integrated Enviracaire digital humidistat, allowing you to program your precise target humidity level between 40% and 60%. Managing your air distribution is effortless thanks to a unique two-way directional mist outlet that rotates up to 90°, allowing for wider coverage or face it forward for a concentrated stream. A generous 1.5 gallon water tank delivers up to 36 hours of uninterrupted runtime on its lowest setting, turning off automatically when empty. Complete with a wide mouth opening for hassle-free refilling and cleaning, an auto-dimming LED display, and a dedicated essential oil cup for calming aromatherapy, this dual mist humidifier is an excellent addition to bedrooms, living rooms, and nurseries alike.