DREO 8L Smart Humidifier Large Room 600ft², HM717S, 80H Runtime
Quick take
The DREO 8L HM717S is an ultrasonic humidifier designed for larger spaces up to 600 ft², with the flexibility to use warm mist or cool mist. Buyers highlight how quiet it feels during operation, how straightforward it is to fill and clean, and how useful the app and voice control can be for day-to-day humidity settings. The tradeoff to consider is that coverage can depend on your home’s conditions, so it may not fully “keep up” in larger or very dry rooms.
Pros and cons
Pros
- Warm and cool mist modes for year-round use, with simple one-step switching.
- Large 8L tank support with long continuous runtime (up to 80 hours claimed).
- Smart humidity control via humidistat (maintains a set level within a stated tolerance) plus app scheduling and voice assistant support.
- Quiet operation is a standout theme in buyer feedback (commonly described as nearly silent).
- Top-fill design, front controls, and included cleaning accessories make routine maintenance easier.
Cons
- It includes aroma-diffuser functionality, but if you want pure “plain humidifier” use, you may need to decide whether you want that extra feature at all.
- Buyer-review evidence is positive but limited to a few recurring themes, so performance across different home setups may still vary.
What buyers think
Buyer-review evidence centers on a few practical, purchase-relevant themes. Many comments emphasize how quiet the humidifier is during operation, to the point where the mist output is the main noticeable cue. Setup and everyday usability also come up repeatedly, especially the top-fill/refill convenience and the overall ease of cleaning. Smart features are another recurring point, with buyers mentioning app control and the ability to adjust mist type (warm vs cool) using the interface. A few buyers also connect the device’s mist output and humidity stability to plant or room comfort results.
Overall buyer sentiment is strongly positive, but the coverage experience is not identical for every space. That means it’s best to treat the 600 ft² rating as a helpful guideline, not a guarantee, since home airflow, starting humidity, and target RH all affect how quickly humidity changes.
Warm and cool mist control that’s meant to be simple
The HM717S is built for flexibility. You can run it in warm mist mode for colder-season comfort, or switch to cool mist for everyday use. The unit also supports multiple temperature settings for warm mist, and buyers specifically like how quickly they can move between warm and cool operation.
That makes this humidifier a reasonable pick if you want one machine for winter and non-winter months, rather than swapping devices or modes.
Large tank and long runtime for fewer refills
This model uses an 8L tank, and the manufacturer rates it for up to 80 hours of continuous operation. In practice, the point is fewer refill interruptions, especially for overnight use or for people trying to reduce maintenance steps in a busy household.
If you’re buying for a bedroom, nursery, or home office, a long runtime can also reduce the risk of humidity dropping mid-day when you are away from the machine.
Humidity control and smart features for real life
For buyers who do not want to “set and forget” only manually, the HM717S includes a high-precision humidistat with automatic adjustment. The goal is keeping humidity near your selected level within a stated tolerance, with an auto mode that continuously adapts output.
On top of that, it’s designed for smart control. You can monitor and set schedules using the DREO app, and it supports Alexa and Google Home voice assistants. Several buyers also mention that voice control can cover more than simple on/off, depending on how settings are managed in the app.
If you like the idea of humidity reporting, reminders, or time-based routines (for sleeping hours or daytime work), this is one of the bigger reasons to choose the HM717S over basic mechanical humidifiers.
Noise level and night-friendly details
Humidifiers can be distracting at night, so quiet operation matters. The HM717S is rated at 28 dB, and buyer feedback repeatedly describes it as extremely quiet, to the point that you may only notice it by the mist coming out.
It also includes ambient lighting to indicate status and supports a night-friendly experience, including the ability to turn off lights, which is helpful for sensitive sleepers.
Coverage, mist output, and what to watch for
The humidifier is designed for spaces up to 600 ft², and it delivers a stated output of 550 ml/h with a tall mist design meant for wider distribution.
That doesn’t mean the device is “not working,” but it is a reminder that humidifiers have to overcome your starting conditions. Homes with stronger HVAC airflow, very dry outdoor air, or higher humidity targets may require higher capacity, different placement, or realistic expectations about how fast humidity climbs.
Pros and cons summary
Choose the DREO HM717S if: you want warm and cool mist in one unit, you care about quiet nighttime operation, and you’ll use app or smart scheduling to keep humidity where you want it. It’s also a good fit for bedroom, nursery, and plant-friendly rooms within the 600 ft² target range.
Consider other options if: you need strong performance for a larger space than 600 ft², or you want the biggest humidity jump quickly regardless of home conditions. In those cases, you may want to look at higher-capacity models or plan to supplement humidity with room-specific airflow management.
Price and availability
Pricing and stock status can change. Use the link below to see the latest price for the DREO 8L Smart Humidifier HM717S.
FAQ
How long does the DREO HM717S run on a full tank?
The manufacturer rates the 8L tank for up to 80 hours of continuous operation, depending on settings and output mode.
Does it do warm mist and cool mist?
Yes. The HM717S supports both warm mist and cool mist, and buyers report the switch is straightforward.
Is the humidifier noisy at night?
It is rated at 28 dB, and quiet operation is a common theme in buyer feedback. Many describe it as nearly silent, with the mist output being the main noticeable sign.
What size room is it meant for?
It’s designed for large rooms up to 600 ft². Coverage can vary based on your starting humidity, airflow, and how quickly you want to reach your target RH.
Can I control it with an app or voice assistant?
Yes. It supports app control, scheduling, and voice assistant compatibility with Alexa and Google Home.
Does it also work with essential oils?
It includes aroma-diffuser functionality (an included aroma pad is provided), so it can be used for scenting in addition to humidifying.
Is it easy to clean and refill?
It features a top-fill tank design and is designed to be straightforward to clean, with included accessories like a cleaning brush.
Specifications
| Product Title | DREO 8L Smart Humidifier Large Room 600ft², HM717S, 80H Runtime Supersized Warm and Cool Mist Humidifiers for Bedroom Baby, 28dB Quiet Air Humidifier for Plants Indoor, Home, Whole House, Silver |
|---|---|
| Category | Home & Kitchen > Heating, Cooling & Air Quality > Humidifiers |
| Brand | DREO |
| Manufacturer | DREO |
| Model Name | DR-HHM007S Silver |
| Model Number | DR-HHM007S Silver |
| Color | Silver |
| Material | BPA-Free,suitable for baby, Plastic |
| Item Weight | 6.93 Pounds |
| Other Special Features of the Product | Adjustable Humidity Control, Aroma Diffuser, Digital Display, Night Light, Removable Tank |
| Capacity | 8 Liters |
| Floor Area | 600 Square Feet |
| Operation Mode | Ultrasonic |
| Room Type | Bedroom, Kids Room, Living Room, Nursery, Office |
| Power Source | Corded Electric |
| Control Method | App, Touch, Voice |
| Smart Home Compatibility | Smart Home Compatible |
| Runtime | 80 minutes |
| Filter Type | Activated Carbon, Demineralization |
| Item Dimensions D x W x H | 6.73"D x 12.01"W x 14.45"H |
| Brand Name | DREO |
| Included Components | 8L Humidifier x1, Aroma Pad, Cleaning Brush, User Manual |
| UPC | 810142850353 |
| Unit Count | 1.0 Count |
| Part Number | DR-HHM007S Silver |
| Item Type Name | Humidifiers |
| Special Feature | Adjustable Humidity Control, Aroma Diffuser, Digital Display, Night Light, Removable Tank |
Available variants
Color
- Silver
- Black
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