Humidifier Size Guide
Choose a humidifier for a bedside area, bedroom, or large room by weighing tank size, runtime, refill hassle, and humidity readings.
AERZY Black Warm & Cool Mist 4.7 Gal Smart Humidifier Large Room
Available offers (3)
—
Current
Black Warm & Cool Mist 4.7 Gal
Retailer
€142.38
Available to order
Features
- 7.5ft mist coverage
- 800mL/h output
- 2500 sq ft coverage
- 18L / 4.7Gal tank
- 70-hour runtime
- App & remote control
- Warm & cool mist
- 5 mist levels
- 24-hour timer
- Auto humidistat
- Sleep mode
- Top-fill design
- 30° adjustable nozzle
- Mood light
General specs
- Brand: AERZY
- Seller: Retailer
- ID: B0GSJRB7GT
- Timer: 24 h
- Top Fill: Yes
- Cool Mist: Yes
- Warm Mist: Yes
- Dimensions: 11.81 x 7.48 x 22.83 in, 300 x 190 x 580 mm
- Mood Light: Red (warm mist), Blue (cool mist)
- Sleep Mode: Yes
- Mist Height: 7.5 ft, 2.3 m
- Mist Levels: 5
- Mist Output: 800 mL/h
- Power Input: 110-240 V? (not specified)
- Remote Range: 20 ft, 6.1 m
- Coverage Area: 2500 sq ft, 232.3 sq m
- Tank Capacity: 18 L, 4.7 gal
- Humidity Range: 40-90% RH
- WiFi Frequency: 2.4 GHz
- Nozzle Adjustment: 30°
- Water Shortage Reminder: Yes
- Runtime (Lowest Setting): 70 h
- First listed by seller: May 20, 2026
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
| Date | Price |
|---|---|
| 6/24/26 | €142.38 |
| 5/20/26 | €177.97 |
Shipping options
Delivery to 
United States
United States
Available
Transform your dry home into a comfortable oasis with our AERZY Smart Humidifier. Designed for large rooms up to 2500 sq ft, it's perfect for families who need consistent humidity in open living spaces or for plant enthusiasts protecting their collection. The powerful dual-core system produces a 7.5-foot mist plume that quickly reaches every corner, eliminating the need for multiple units.
Unlike ordinary humidifiers, this one lets you fine-tune your environment with surprising precision. You can set a target humidity level between 40-90% RH, and the auto humidistat activates the mist only when needed—no more guessing or wasteful over-humidifying. The warm mist option provides comforting moisture during cold months, while the cool mist keeps things refreshing in summer. Both modes run whisper-quiet, making it ideal for bedrooms and nurseries.
The massive 18L top-fill tank delivers up to 70 hours of runtime, so you can fill it and forget it. Dual side handles and 360° wheels let you roll it from room to room effortlessly. App control via your phone means you can adjust settings from your couch or while away, and the remote works from 20 feet away. Sleep mode disables all lights for undisturbed rest. Experience the difference of whole-home comfort that adapts to your life.
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| Brand | AERZY | VAGKRI | KZF | AILINKE | Hiswelle | AreShark |
| Rating |
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| Price | €142.38 | €65.57 | €36.38 | €62.28 | €62.28 | €133.48 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Jun 24, 2026 | May 29, 2026 | May 29, 2026 | Apr 17, 2026 | May 29, 2026 | May 20, 2026 |
| Timer | 24 h | 24 h | 12 hours | |||
| Dimensions | 11.81 x 7.48 x 22.83 in, 300 x 190 x 580 mm | Unknown | 8.6 × 7.4 × 25.1 in, 0.72 × 0.62 × 2.09 ft | |||
| Mist Levels | 5 | 5 | 3 | |||
| Mist Output | 800 mL/h | 200 mL/h, 300 mL/h, 400 mL/h, 500 mL/h, 700 mL/h | 350 milliliters per hour | 350 ml/h | up to 850 mL/h, up to 0.22 gal/h | |
| Coverage Area | 2500 sq ft, 232.3 sq m | 2000 sq ft | 500 square feet | 2000 ft², 186 m² | ||
| Capacity | 18 L | 9 L, 2.38 gal | 2.1 gallons, 8 liters | 8 L, 2.1 gal | ||
| Noise Level | 35 dB | Quiet | <35 decibels | |||
Smart Humidifier Large Room 7.5ft mist coverage
€142.38
When this device makes sense
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