Dreo HHM774S Smart Evaporative Humidifier: Covers up to 1000 sq ft for whole-house humidification
For the parent who wakes up to a child's dry cough or the plant enthusiast watching leaves crisp in winter air, this humidifier solves more than dry air. It delivers peace of mind through precise control, not just moisture.
The evaporative design adds humidity without mist, so you won't find white dust on your furniture or wet spots on floors. A 10L tank runs up to 50 hours, meaning fewer refills during busy weeks. Use the app to set humidity in 1% increments, and the sensor adjusts automatically—you might notice your skin feels smoother before you check the reading.
Smart features like voice control with Alexa and washable filters make maintenance simple. This humidifier covers up to 1000 sq ft, ensuring balanced air in bedrooms, offices, or large living spaces for whole-house comfort.
Features
- Delivers up to 0.27 gallons per hour of ultra-fine vapor
- 10L tank provides up to 50 hours of runtime
- Built-in sensor with 5% humidity accuracy for precise control
- Smart app and voice control via Alexa/Google
- Washable filter with dry mode for extended lifespan
- Covers up to 1000 sq ft for whole-house humidification
General specs
- Brand: Dreo
- Model: HHM774S
- Seller: Amazon
- ID: B0FKZ15RMS
- Weight: 4839.15
- Runtime: 50
- Material: Plastic
- Mist Type: Cool Mist
- Dimensions: 9.65, 24.69, 9.76
- Filter Type: Demineralization Cartridge, Wick
- Mist Output: 800
- Connectivity: Wi-Fi
- Power Source: Corded Electric
- : Yes
- Coverage Area: 1000
- Control Method: App, Voice
- OS Compatibility: Android, iOS
- Water Tank Capacity: 10
- Humidification Method: Evaporative
- Voice Assistant Compatibility: Amazon Alexa
- First listed by seller: 1/12/26
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Price History for seller Amazon
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United States
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| Brand | Dreo | Dreo | Dreo | Dreo | Dreo | MONISEN |
| Model | HHM774S | DR-HHM001S | HM409S | DR-HHM001S | DR-HHM001S-C | HQ-JS2303 |
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| Price | $159.99 | $54.99 | $39.99 | $49.49 | $51.47 | $135.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Feb 7, 2026 | Feb 7, 2026 | Feb 7, 2026 | Feb 2, 2026 | Dec 9, 2025 | Feb 7, 2026 |
| Weight | 4839.15 | 1415.21 | 1098.4 | 1415.21 | 2222.6 | |
| Runtime | 50 | 36 | 30 | 36 | 32 | 56 |
| Material | Plastic | ABS | Plastic | Plastic | Plastic | |
| Mist Type | Cool Mist | Cool Mist | Cool Mist | Cool Mist | Cool Mist | Cool Mist |
| Dimensions | 9.65, 24.69, 9.76 | 11.02, 10.16, 5.51 | 16.7, 26.4, 22.3 | 11.02, 10.16, 5.51 | 7.36, 12.67, 12.75 | 13.99, 31, 13.99 |
| Filter Type | Demineralization Cartridge, Wick | Filterless | Demineralization Cartridge | Filterless | Filterless | Filterless |
| Mist Output | 800 | 300 | 300 | 600 | ||
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi |
| Power Source | Corded Electric | Corded Electric | Corded Electric | Corded Electric | Corded Electric | Corded Electric |
| Yes | Yes | Yes | Yes | Yes | Yes | |
| Coverage Area | 1000 | 430.56 | 300 | 430.56 | 2000 | |
| Control Method | App, Voice | App, Touch, Voice | App, Voice | Touch, App, Voice | App, Voice | App, Remote, Touch |
| OS Compatibility | Android, iOS | Android, iOS | Android, iOS | |||
| Water Tank Capacity | 10 | 4 | 3 | 4 | 4 | 4.5 |
| Humidification Method | Evaporative | Ultrasonic | Ultrasonic | Ultrasonic | Ultrasonic | Ultrasonic |
| Voice Assistant Compatibility | Amazon Alexa | Amazon Alexa | Amazon Alexa | Amazon Alexa | Amazon Alexa | |
| Noise Level | 28 | 28 | 28 | 28 | 46 | |