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- COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer's warranty.
- EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. Most claims approved within minutes. If we can’t repair it, we’ll send you an Amazon e-gift card for the purchase price of your covered product or replace it.
- MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder). Contact us if you cannot locate your plan confirmation and Terms & Conditions via email at AmazonFeedback@Asurion.com.
- NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
- COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer's warranty.
- EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. Most claims approved within minutes. If we can’t repair it, we’ll send you an Amazon e-gift card for the purchase price of your covered product or replace it.
- MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder). Contact us if you cannot locate your plan confirmation and Terms & Conditions via email at AmazonFeedback@Asurion.com.

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Coway Airmega 400(G) Smart Air Purifier True HEPA Air Purifier with Smart Technology, Covers 1,560 sq. ft., Graphite
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Purchase options and add-ons
Color | Graphite |
Brand | Coway |
Product Dimensions | 14.8"D x 14.8"W x 22.8"H |
Power Source | Corded Electric |
Item Weight | 24.7 Pounds |
About this item
- [Coverage] Designed to clean spaces up to 1,560 sq. ft. in 30 minutes.
- [HyperCaptive Filtration System] Combination of a pre-filter, deodorization filter, and True HEPA Filter reduces 99.999% of 0.01-micron particles, including pollen and other allergens; It also reduces 99% of volatile organic compounds and odor.
- [Smart Mode] With its Smart Mode feature, the Airmega automatically adapts to its surroundings by adjusting fan speeds based on the room's air quality; That means your unit is energy efficient without compromising effectiveness.
- [Eco Mdoe] When the air quality in the room remains purified for 30 minutes or more in Eco Mode, the fan will turn off to conserve energy, kicking on again when pollution is detected.
- [Sleep Mode] When the Airmega's built-in light and pollution sensors detect that the room has been dark and the air clean for 3 minutes, Sleep Mode reduces the purifier's noise and power consumption.
- [Air Quality Indicator] 24/7 pollution monitor air quality throughout the day, adjusting purification to the necessary level and saving energy when it's not needed.
- [Filter Alerts] The air filter indicator tells you when the filters need to be replaced and the prefilters need to be cleaned for maximum efficiency, based on how much air they have processed.
- [Timer] Schedule the unit to purify for 1, 4, or 8 hours of use and conserve energy.
- [Warranty] 5-year Limited Manufacturer's Warranty
- 4 air changes/hr.** 780 ft² (72 m²)
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Special offers and product promotions
- 90 days FREE of Amazon Music Unlimited. Included with purchase of an eligible product. You will receive an email with signup instructions. Renews automatically. New subscribers only. Terms apply. Offered by Amazon.com. Here's how (restrictions apply)
From the brand

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Our obsession with helping people live happier, healthier lives began in 1989.
Coway has become a global leader in intensive research, engineering and innovation, amassing over 5,000 intellectual property rights in all. We believe every element needs to be examined, researched, understood, tested and retested. We obsess over every detail, so Coway products can help transform your space into health sanctuary.
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From the manufacturer
Airmega Powered Air Filtration Technology

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Airmega 400
Up to 1,560 Sq. Ft. of Coverage
Its double suction system cleans the air you breathe faster and more efficiently.
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Airmega 400
Green True HEPA + Activated Carbon
It traps 99.99% of airborne particles up to 0.01 microns in size and removes gases, VOCs and odors.
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Airmega 400
For maximum efficiency
It tells you when the Max2 filters need to be replaced, and the pre-filters need to be cleaned.
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Airmega 400
Real-Time Air Quality Monitoring
Its pollution sensor communicates indoor air quality in real-time by the colored LED ring.
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Airmega 400
Coway Smart Technology - Auto + Eco + Sleep
With three smart settings, the Coway Airmega 400 adapts to its surroundings.
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Airmega 400
Auto Off Timer
It lets you schedule 1, 4 or 8 hours of operation for as long as you need to use it.
Wrap your space in a blanket of 24/7 clean air
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Airmega 400
A Balance of Technology and Design
We saw an opportunity to change the way people viewed air purifiers. By combining leading technology, inspired design, imagination and an obsession with detail, we created an air purifier that is as powerful as it is beautiful.
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Airmega 400
Powerful Performance
With so much purifying power, it captures 99.999%* of nano-particles like viruses and bacteria. With 1,560 square feet of coverage, it’s perfect to wrap your open space in clean air, 24/7.
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Airmega 400
24/7 clean air
Airmega adapts to its surroundings, changing modes and fan speed as needed with a room’s conditions. It features Auto Mode, Sleep Mode, and ECO Mode.
Coway Airmega Premium Line-up
![]() Airmega 400(G) | ![]() Airmega 400 | ![]() Airmega 400S(G) /400S | ![]() Airmega 300S | ![]() Airmega 300 | ![]() Airmega 250 | ![]() Airmega ICON | |
Coverage
| 1,560 sq. ft. | 1,560 sq. ft. | 1,560 sq. ft. | 1,256 sq. ft. | 1,256 sq. ft. | 930 sq. ft. | 649 sq. ft. |
App & Alexa & DRS
| ✘ | ✘ | ✔ | ✔ | ✘ | ✘ | ✘ |
Auto Mode
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Eco Mode
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Sleep Mode
| Automatic | Automatic | Automatic | Manual | Manual | Automatic | Automatic |
Rapid Mode
| ✘ | ✘ | ✘ | ✘ | ✘ | ✔ | ✘ |
Filters Configuration
| Pre-Filter+ Carbon + True HEPA | Pre-Filter+ Carbon + True HEPA | Pre-Filter+ Carbon + True HEPA | Pre-Filter+ Carbon + True HEPA | Pre-Filter+ Carbon + True HEPA | Pre-Filter+ Carbon + True HEPA | Pre-Filter+ Carbon + True HEPA |
Pollution Indicator
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Filter Life Time Indicator
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Manual Fan Speed
| Low, Medium, High | Low, Medium, High | Low, Medium, High | Low, Medium, High | Low, Medium, High | Low, Medium, High | Low, Medium, High |
Timer & Scheduler
| Timer 1, 4, 8 Hr | Timer 1, 4, 8 Hr | Timer 1, 2, 4, 8 Hr, Scheduler | Timer 1, 2, 4, 8 Hr, Scheduler | Timer 1, 4, 8 Hr | Timer 1, 4, 8 Hr | Timer 1, 4, 8 Hr |
Available Colors
| Graphite | White | Graphite / White | White | White | Beige | Beige |
Product Description
The most advanced air purifier developed by copay. Coway Airmega 400 is a powerful air purifier, that intelligently, effectively and quietly cleans the air in your home. HyperCaptive filtration system removes 99.999% of particulate matter from the air, while the accompanying pollution indicator allows you to monitor and manage air quality real-time. The Coway Airmega 400 model features smart mode (auto, sleep, eco) and real-time air quality monitoring, so you can rest assured that the Coway Airmega 400 is at work at all times. Coway Airmega 400 cleans and maintains spaces up to 1,560 sq. ft. in 30 minutes.
Product details
- Is Discontinued By Manufacturer : No
- Product Dimensions : 14.8 x 14.8 x 22.8 inches; 24.7 Pounds
- Item model number : AP-2015F(G)
- Date First Available : May 12, 2017
- Manufacturer : Coway
- ASIN : B0722YZ1R1
- Country of Origin : Korea, Republic of
- Best Sellers Rank: #47,485 in Home & Kitchen (See Top 100 in Home & Kitchen)
- #92 in HEPA Filter Air Purifiers
- Customer Reviews:
Compare with similar items
![]() This item Coway Airmega 400(G) Smart Air Purifier True HEPA Air Purifier with Smart Technology, Covers 1,560 sq. ft., Graphite | ![]() Coway Airmega Icon True HEPA Air Purifier with Air Quality Monitoring, Auto, Filter Indicator, and Wireless Device Charger, Covers 649 sq. ft, Beige | ![]() Coway Airmega AP-1512HH True HEPA Air Purifier with Air Quality Monitoring, Auto Mode, Timer, Filter Indicator, Eco Mode | ![]() Coway Tower True HEPA air purifier with Air Quality Monitoring, Auto Mode, Timer, Filter Indicator, White (AP-1216L) | ![]() Coway Airmega 240 True HEPA Air Purifier with Air Quality Monitoring, Auto, and Filter Indicator, Dove White | ![]() BLUEAIR Air Purifier Large Room, Air Cleaner for Dust Pet Dander Smoke Mold Pollen Bacteria Allergen, Odor Removal, for Home Bedroom Living Room, Washable Pre Filter, HEPASilent, Blue 211+ (Non-Auto) | |
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Customer Rating | 4.6 out of 5 stars (5723) | 4.5 out of 5 stars (629) | 4.7 out of 5 stars (21871) | 4.4 out of 5 stars (345) | 4.1 out of 5 stars (33) | 4.7 out of 5 stars (11819) |
Price | $565.44$565.44 | $579.00$579.00 | $192.99$192.99 | $229.99$229.99 | $239.20$239.20 | $298.00$298.00 |
Shipping | FREE Shipping. Details | FREE Shipping. Details | FREE Shipping. Details | FREE Shipping. Details | FREE Shipping. Details | FREE Shipping. Details |
Sold By | Amazon.com | Amazon.com | Amazon.com | Amazon.com | Amazon.com | Amazon.com |
Color | Graphite | Beige | Black/Silver | White | Dove White | Gray |
Item Dimensions | 14.8 x 14.8 x 22.8 inches | 21.4 x 22.3 x 8.8 inches | 16.8 x 9.6 x 18.3 inches | 7.9 x 9.8 x 29.5 inches | 8.3 x 16.7 x 22.8 inches | 13 x 13 x 20.4 inches |
Item Weight | 24.70 lbs | 19.20 lbs | 12.30 lbs | 13.20 lbs | 21.00 lbs | 13.00 lbs |
Videos
Videos for this product
3:55
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Coway Airmega 400 G Smart Air Purifier
Christina Nicci
Videos for this product
3:14
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My Thoughts on Coway Airmega 400S After 1 Year of Use
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Super cool design and the filters are easy to swap
Should I Get It Reviews
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(Worth it!) Coway Airmega 400 Airpurifier Review
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Airmega Icon and IconS
Coway USA, Inc.
Important information
Wattage
66 watts
Legal Disclaimer
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