1 / 7Coway Airmega 350(W) HEPA Air Purifier
The Coway Airmega 350(W) is a corded HEPA air purifier with automatic air-quality monitoring and a filter system the listing describes as three-stage. Its stated coverage is suited to large spaces, but the area figure is a manufacturer claim rather than a guarantee for every room.
At a glance
- The listed 3-in-1 filter combines a vacuumable pre-filter, activated carbon and HEPA filtration.
- Auto mode is described as adjusting fan speed to air-cleaning needs, while the light sensor can turn off the indicator light in dim surroundings.
- The listing claims up to 2,640 square feet of coverage in 60 minutes and gives CADR figures of Dust 376, Smoke 352, and Pollen 450.
- A filter-life indicator and real-time air-quality monitor provide status information on the unit.
Reference price: $404.51
Price checked: Nov 14, 2026
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Pros and cons
Pros
- Three filtration stages combine particle filtration with activated carbon for odours and some gases, according to the listing.
- Automatic fan adjustment and a light sensor offer hands-off operation, including a way to dim the unit's light at bedtime.
- The filter-life indicator helps track when the filter needs attention.
Cons
- The unit requires a corded electrical outlet, so placement depends on access to power.
Technical specifications
17 specifications| Brand | Coway |
|---|---|
| Model | Airmega 350(W) |
| Filter type | HEPA |
|---|---|
| Filter class | 3-in-1 |
| Listed floor area | 2640 square_feet |
| Particle retention size | 0.3 micron |
| Listed filtration capabilities | Dust, Odor, Pet Dew, Pollen, Smoke from cigarettes, Volatile Organic Compounds (VOC), Wildfires |
| Control methods listed | Remote |
|---|---|
| Special features | Filter Life Indicator, Light Sensor, Real Time Air Quality Indicator, Smart Mode |
| Noise level | 21.5 db |
| Power configuration | Corded Electric |
|---|---|
| Wattage | 62 watts |
| Dimensions listed | 30.5D x 30.5W x 59.1H centimetres |
|---|---|
| Weight listed | 7.8 kg |
| Colour | White |
| Listed certifications | CARB Certified, ETL Certified, Energy Star Certified |
|---|---|
| Warranty description | 3 year manufacturer's limited warranty |
What to know before buying
Listing details to confirm
The listing gives different low-noise figures: 21.5 db in specifications and as low as 21.6db in the feature text. It also uses both 2,640 ft² and 2640 square_feet for stated coverage, and claims cleaning that area in 60 minutes. Treat these as listing claims, not guaranteed room results. The title mentions Turbo, Eco and a timer, but the detailed control and feature fields do not confirm those modes or the timer. The model number AP-1924A(W) and part number AP-1924A are listed separately.
What’s in the box
Included- Air purifier
- Filter set
- User manual
Who is it for?
A good fit for
- Buyers looking for a corded purifier with HEPA and carbon filtration, automatic fan adjustment and air-quality monitoring.
- Large-room shoppers who want to compare a high claimed coverage area with their room size and intended operating speed.
Less suited to
- Buyers who need a cordless purifier or verified coverage performance for a particular room.
Customer reviews on Amazon
- 5 stars
71% 71% - 4 stars
16% 16% - 3 stars
5% 5% - 2 stars
4% 4% - 1 star
4% 4%
Customer feedback reports appreciation for purification, airflow, quieter operation at medium speed, appearance and air-quality monitoring. Experiences are mixed on value and odour removal. For buyers considering the listed large-room coverage, reported quietness and monitoring may matter for daily use, while the mixed odour feedback is relevant if smell reduction is a main priority. These are customer perceptions and do not establish performance in a particular room.
Positive themes
- Customers report effective air cleaning, including during cooking, and appreciate the monitoring and appearance.
- Feedback describes operation at medium speed as tolerably quiet.
Mixed feedback
- Customer views are mixed on value for money and odour removal.
Frequently asked questions
What kind of filter does the Airmega 350(W) use?
The listing identifies a HEPA filter and describes a 3-in-1 system combining a vacuumable pre-filter, activated carbon and HEPA filtration.
How large a space is it listed for?
The listing states 2640 square_feet and claims cleaning that area in 60 minutes. Actual results can depend on the room and operating conditions.
Does it adjust fan speed automatically?
The listing says Auto Mode adjusts fan speed based on purification needs and describes a light sensor that turns off the light in dim surroundings.
What is included?
The listed contents are the air purifier, filter set and user manual.
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