1. Safety Instructions
Please read all safety instructions carefully before using this humidifier to prevent injury or damage. Keep this manual for future reference.
- Electrical Safety: Ensure the humidifier is plugged into a 120V AC outlet. Do not operate with a damaged cord or plug. Do not immerse the unit, cord, or plug in water or other liquids.
- Water Handling: Use clean, cool tap water or distilled water. Do not add hot water. Do not overfill the water tank. Empty and clean the tank regularly to prevent mold and bacteria growth.
- Placement: Place the humidifier on a firm, flat, water-resistant surface at least 12 inches (30 cm) away from walls and appliances. Do not place on carpet or near heat sources.
- Operation: Do not block the mist outlet. Do not touch the nebulizer while the unit is operating. Always unplug the humidifier before moving, cleaning, or refilling.
- Children and Pets: Keep the humidifier out of reach of children and pets. Supervise children to ensure they do not play with the appliance.
- Maintenance: Only use the provided cleaning brush for maintenance. Do not use harsh detergents or abrasive cleaners.
2. Product Overview
The Dreo 8L Smart Humidifier HM717S is designed to provide optimal humidity levels in large rooms up to 600 sq ft. It features both warm and cool mist options, smart control via the Dreo app, and a quiet operation for enhanced comfort.
Key Features:
- Warm and Cool Mist: Offers versatile humidification for different seasons and preferences. Warm mist reaches 133°F in 8 minutes.
- Large Capacity & Long Runtime: 8-liter water tank provides up to 80 hours of continuous operation.
- Wide Coverage: Efficiently humidifies areas up to 600 square feet with a 550 ml/h mist output.
- Quiet Operation: Operates at a low noise level of 28dB for undisturbed sleep or work.
- Smart Control: Manage settings, monitor humidity, and set schedules via the Dreo app. Compatible with Alexa and Google Home voice assistants.
- Aroma Diffuser: Integrated tray for essential oils to enhance your environment.
- Ambient Light: Customizable lighting feature to suit your mood.
- Top-Fill Design: Easy and convenient water refilling.
- Modular Design: Simplifies cleaning and maintenance.
Product Components:
Familiarize yourself with the main parts of your humidifier:

Image: The Dreo 8L Smart Humidifier HM717S, showcasing its sleek silver design, digital control panel, and a smartphone displaying the companion app.
- Water Tank: 8-liter capacity for water.
- Base Unit: Contains the ultrasonic nebulizer, heating element, and control electronics.
- Mist Outlet/Nozzle: Where the mist is released.
- Control Panel: Digital display and touch buttons for operation.
- Aroma Tray: For adding essential oils.
- Power Cord: For connecting to an electrical outlet.
3. Setup
- Unpack: Carefully remove the humidifier from its packaging. Retain packaging for future storage or transport.
- Placement: Place the humidifier on a flat, stable, and water-resistant surface. Ensure it is at least 12 inches (30 cm) away from walls, furniture, and electronic devices. Avoid placing it directly on carpet.
- Fill Water Tank:
- Remove the top cover.
- Pour clean, cool tap water or distilled water directly into the water tank up to the MAX fill line. Do not exceed the MAX line.
- Replace the top cover securely.

Image: A visual representation of the humidifier's modular design for easy disassembly and the top-fill method for adding water.
- Power On: Plug the power cord into a standard 120V AC electrical outlet. The unit will beep, and the display will light up briefly.
- Connect to Dreo App (Optional):
- Download the Dreo app from your smartphone's app store.
- Follow the in-app instructions to pair your humidifier with your Wi-Fi network.
4. Operating Instructions
The Dreo HM717S can be operated via its touch control panel or the Dreo smartphone app.
Control Panel Functions:

Image: A collection of smartphone screens displaying the Dreo app, illustrating various control and monitoring options for the humidifier.
- Power Button: Turns the humidifier ON/OFF.
- Mist Mode Button: Cycles through Cool Mist, Warm Mist, and Auto Mode.
- Humidity Setting Button: Adjusts the desired humidity level (e.g., 40% to 90% RH).
- Timer Button: Sets an operating timer (e.g., 1-12 hours).
- Light Button: Controls the ambient light feature.
Dreo App Control:
Once connected, the Dreo app provides advanced control and monitoring capabilities:
- Remote Control: Operate the humidifier from anywhere.
- Real-time Monitoring: View current room humidity and temperature.
- Scheduling: Set custom schedules for operation, mist modes, and humidity levels.
- Voice Control: Integrate with Amazon Alexa or Google Home for hands-free operation.
- Maintenance Reminders: Receive alerts for cleaning and demineralization cartridge replacement.

Image: The Dreo humidifier displaying its digital interface, with an overlay graphic illustrating its auto mode and precise humidity control within a 5% tolerance.
Using the Aroma Tray:
To use the aroma diffusion feature:
- Locate the aroma tray on the side or back of the humidifier.
- Pull out the tray.
- Add a few drops of your preferred essential oil onto the aroma pad.
- Slide the tray back into the humidifier.
The mist will carry the scent into the air. Do not add essential oils directly into the water tank.
5. Maintenance
Regular cleaning is essential to ensure optimal performance and hygiene of your humidifier.
Daily Maintenance:
- Empty and rinse the water tank and base daily.
- Wipe down any visible water residue.
Weekly Cleaning:
- Unplug: Always unplug the humidifier before cleaning.
- Disassemble: Remove the water tank and any other removable parts (e.g., mist nozzle, aroma tray). The modular design allows for easy disassembly.
- Clean Water Tank: Fill the tank halfway with water and add 2 tablespoons of white vinegar. Shake gently and let it sit for 30 minutes. Rinse thoroughly with clean water.
- Clean Base Unit: Gently wipe the nebulizer and heating element with a soft cloth or the provided cleaning brush. For stubborn mineral buildup, use a cotton swab dipped in white vinegar. Do not immerse the base in water.
- Rinse and Dry: Rinse all parts thoroughly to remove any vinegar smell. Allow all components to air dry completely before reassembling.
Demineralization Cartridge (Optional):
If you use hard water, a demineralization cartridge can help reduce white dust. Search for 'Dreo Demineralization Cartridge' for compatible options. Replace the cartridge as indicated by the app reminder or manufacturer's guidelines.
Storage:
When not in use for an extended period, clean and dry the humidifier thoroughly. Store it in a cool, dry place, preferably in its original packaging.
6. Troubleshooting
Refer to the following table for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or weak mist |
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| Unusual odor |
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| Water leakage |
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| White dust around humidifier |
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| App connectivity issues |
|
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7. Specifications
| Brand | Dreo |
| Model Name | DR-HHM007S (HM717S) |
| Capacity | 8 Liters |
| Floor Area Coverage | Up to 600 Square Feet |
| Mist Output | 550 ml/h (Max) |
| Runtime | Up to 80 Hours |
| Noise Level | 28dB |
| Operation Mode | Ultrasonic |
| Voltage | 120 Volts (AC) |
| Product Dimensions (D x W x H) | 6.73" x 12.01" x 14.45" |
| Item Weight | 6.9 Pounds |
| Special Features | Adjustable Humidity Control, Aroma Diffuser, Digital Display, Night Light, Removable Tank |

Image: A detailed diagram showing the physical dimensions (height, depth, width) of the Dreo HM717S humidifier.
8. Warranty & Support
Warranty Information:
For detailed warranty information, please refer to the warranty card included with your product or visit the official Dreo website. The warranty typically covers defects in materials and workmanship under normal use.
Customer Support:
If you encounter any issues or have questions regarding your Dreo 8L Smart Humidifier HM717S, please contact Dreo Customer Support. You can find contact details on the official Dreo website or within the Dreo app.
For a comprehensive guide, you can also refer to the official PDF user manual: Download User Manual (PDF)
9. Product Videos
No official product videos with specified m3u8 format and 'Seller' creator type were found in the provided data to embed directly into this manual.





