Coway Airmega 400S
Coway Airmega 400S
Coway Airmega 400S
Coway Airmega 400S
Coway Airmega 400S
Coway Airmega 400S
Coway Airmega 400S
Coway Airmega 400S
Coway Airmega 400S
Coway Airmega 400S
Coway Airmega 400S
Coway Airmega 400S

Coway Airmega 400S icon

Regular price
$749.00
Sale price
$749.00
Regular price
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Unit price
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Shipping calculated at checkout.

The 400S is equipped with Wi-Fi,* so that you can control your Airmega anywhere and at any time through the Airmega mobile app, including Smart Mode (Auto, Sleep, Eco) and real-time air quality monitoring.

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The Wi-Fi*-equipped 400S lets you control your Coway Airmega smart air purifier anywhere, anytime using the Coway Airmega mobile app, including smart mode (auto, sleep, eco) and real-time air quality monitoring. With 1,560 square feet of coverage, the Coway Airmega 400S and 400 models offers the best air-purifying capacity and are designed to be used in larger spaces.

Note: Coway Airmega is available for purchase, shipping and use only in the U.S. at this time.

All Coway Airmega models come with two pre-filters and two Max2 HEPA filters.

*Router frequency: Your Wi-Fi router should be set to both 2.4 and 5 GHz. In the absence of 5 GHz, you can set your router to 2.4 GHz only; 5 GHz will not work alone.

Security: Your Wi-Fi security should be set to one of the following options: Open, WEP, WPA, WPAAES, WPA2AES, WPA2TKIP or WPA2.

Improve your air with a dual HEPA air purifier, thanks to Coway Airmega’s 30-day money-back guarantee, free shipping and easy monthly payment options. See details for more.

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Real-time Air Quality Monitoring

Coway Airmega’s smart air purifier sensor monitors and reports air quality in real-time all day and night.
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Smart Mode

Coway Airmega automatically adjusts fan and air-filtration speed for auto, sleep and eco settings based on real-time air quality conditions.
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Alexa Capability

Coway Airmega integrates your Amazon Alexa products, so you can control your HEPA air purifier with your voice.
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Mobile App

Available for the Coway Airmega 400S and 300S, the Coway Airmega mobile app lets you control your air purifier remotely.
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Powerful Performance

Coway Airmega can change room air up to twice per hour, removing 99.97 percent of pollutants.
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Filter Alerts

Coway Airmega reminds you when your dual HEPA air filter needs to be replaced, so you don’t have to check.
  • Specifications
  • Support
Room Coverage

2 air changes/hr.* 1,560 sq. ft. (145 sq. m)
4 air changes/hr.** 780 sq. ft. (72 sq. m)

Mobile App

Yes (More)

Smart Mode

Auto Mode:  Yes
Eco Mode: Yes
Sleep Mode:  Automatic

Filter

Washable Pre-Filter + Max2 Filter Set
Max2 Filter (Activated Carbon + Green True HEPA)

Real-Time Monitoring

Filter Life Indicator

Fan Speed

Sleep, Low, Medium, High

Timer

Airmega IoCare Application (1, 2, 4, 8 hours)

Scheduler

Yes

Size (H x W x D)

22.8 x 14.8 x 14.8 in.(58.0 x 37.6 x 37.6 cm)

Weight

24.7 lb. (11.2 kg)

Noise Level

22~52 dB

Power Consumption

66 W

The coverage area of the Coway Airmega reflects the size of the area in which the air purifier can make two air changes per hour. “Air changes per hour” reflects how many times your Coway Airmega can clean a given area in one hour, assuming the ceiling height is eight feet.
*Coway Airmega can clean the area once every 30 minutes.
**Coway Airmega can clean the area once every 15 minutes.

Room Coverage

2 air changes/hr.* 1,560 sq. ft. (145 sq. m)
4 air changes/hr.** 780 sq. ft. (72 sq. m)

Mobile App

Yes (More)

Smart Mode

Auto Mode:  Yes
Eco Mode: Yes
Sleep Mode:  Automatic

Filter

Washable Pre-Filter + Max2 Filter Set
Max2 Filter (Activated Carbon + Green True HEPA)

Real-Time Monitoring

Filter Life Indicator

Fan Speed

Sleep, Low, Medium, High

Timer

Airmega IoCare Application (1, 2, 4, 8 hours)

Scheduler

Yes

Size (H x W x D)

22.8 x 14.8 x 14.8 in.(58.0 x 37.6 x 37.6 cm)

Weight

24.7 lb. (11.2 kg)

Noise Level

22~52 dB

Power Consumption

66 W

The coverage area of the Coway Airmega reflects the size of the area in which the air purifier can make two air changes per hour. “Air changes per hour” reflects how many times your Coway Airmega can clean a given area in one hour, assuming the ceiling height is eight feet.
*Coway Airmega can clean the area once every 30 minutes.
**Coway Airmega can clean the area once every 15 minutes.