
Questions & Answers
Before you buy — common questions.
The device can cover areas ranging from 150 - 1200 ft². It is suitable for large rooms up to 1200 ft², making it ideal for spaces like living rooms, as well as smaller areas such as bedrooms and offices within its lower coverage range.
Yes, the humidifier module is detachable. This allows users to use the air purifier alone when the humidification function is not needed.
The water tank capacity is 1.5L (3.2 Pint). This provides continuous humidification, reducing the frequency of refilling.
Yes, it has a whisper-quiet sleep mode. In this mode, the device operates at a low noise level of 24dB, and the display light can be turned off, creating a peaceful and undisturbed sleep environment.
We recommend replacing the air filter every 6 to 8 months and the humidifier filter every 6 months for optimal performance. Clean the humidifier filter with water weekly and replace it if it appears yellow or moldy.
Technical Details
Full specifications.
| Parameter |
AEH300
|
AGH400
|
APH320
|
APH260
|
|---|---|---|---|---|
| Coverage | 1200 ft² | 2000 ft² | 1500 ft² | 1000 ft² |
| WiFi Control | ✘ | ✔ | ✔ | ✘ |
| Auto Mode | ✔ | ✔ | ✔ | ✔ |
| Air Quality Sensor | ✔ | ✔ | ✔ | ✔ |
| Timer | 1-24 Hours | 1-12 Hours | 1-12 Hours | 1-12 Hours |
| UV-C Disinfection | ✘ | ✘ | ✔ | ✔ |
| Child Lock | ✔ | ✔ | ✔ | ✔ |
| Sleep Mode | ✔ | ✔ | ✔ | ✔ |
| Humidify | ✔ | ✘ | ✘ | ✘ |
| Dimension | 9.5 x 9.5 x 21 inches | 11.8 x 11.8 x 21.3 inches | 13 x 6.7 x 21.2 inches | 13 x 6.7 x 21.2 inches |
| Weight | 7.3 lbs | 15 lbs | 10.6 lbs | 10.4 lbs |
Why Airthereal
World-class design. Independently verified.
-
Red Dot AwardRevive R800 · Product DesignWinner
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iF Design AwardAEH300 · 10,000+ entries · 131 jurors · BerlinWinner 2026
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Amazon's ChoiceMultiple air purifier modelsVerified
- H13 Medical Grade HEPA
- CARB Certified
- SGS Tested
- AHAM Verifide®
- TÜV Certified
- ETL Certified
- Energy Star
- Climate Pledge Friendly
- Founded
- 2018
- Particle Capture
- 99.97%
- Waste Reduction
- 90%
- Homes Served
- 1M+