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Coway Airmega 250 Smart Air Purifier, True HEPA Air Purifier with Smart Technology, Covers 930 sq. ft.

4.5 4.5 out of 5 stars 779 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in HEPA Filter Air Purifiers by Coway

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Airmega 250

Purchase options and add-ons

Color Warm Gray
Brand Coway
Product Dimensions 8.3"D x 18.5"W x 19.7"H
Floor Area 930 Square Feet
Specification Met Energy Star Certified, ETL Certified, CARB Certified
Power Source
AC
Item Weight
20.5 Pounds
Control Method
Touch
Filter Type
True HEPA, Active Carbon Filter, Pre-Filter

About this item

  • [Coverage] Designed to clean spaces up to 930 sq. ft. in 30 minutes.Specification sheet
  • [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
  • [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
  • [Rapid Mode] When air quality is in need of a boost, Rapid Mode is activated to circulate at maximum power until your air is clean
  • [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
  • [3-stage Manual Fan Speed] Control your Airmega's fan manually with low, medium, and high settings
  • [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

Customer ratings by feature

Style
4.8 4.8
Timer function
4.7 4.7
Sleep mode
4.6 4.6
Noise level
4.5 4.5

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Coway Airmega 250 Smart Air Purifier, True HEPA Air Purifier with Smart Technology, Covers 930 sq. ft.
Coway Airmega 250 Smart Air Purifier, True HEPA Air Purifier with Smart Technology, Covers 930 sq. ft.
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Price-21% $315.36
List:$399.00
-19% $649.00
Typical:$805.69
-19% $350.00
Typical:$434.40
$330.26$260.99-14% $197.00
List:$229.99
Delivery
Get it as soon as Sunday, Mar 31
Get it as soon as Monday, Apr 1
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Customer Ratings
Sleep mode
4.6
4.5
4.5
4.5
4.4
4.5
Noise level
4.5
4.4
4.4
4.4
4.7
4.3
Easy to use
4.0
4.6
4.6
4.6
Easy to clean
4.7
4.7
4.7
5.0
Smart Features
3.8
3.8
3.8
Sold By
Amazon.com
Amazon.com
Amazon.com
Amazon.com
Amazon.com
Amazon.com
filter type
True HEPA, Active Carbon Filter, Pre-Filter
HEPA
True HEPA, Active Carbon Filter, Pre-Filter
True HEPA, Active Carbon Filter, Pre-Filter
HEPA
floor area
930 square feet
2126 square feet
1560 square feet
1256 square feet
500 square feet
control method
touch
touch
touch
touch
touch
touch
power source
AC
Corded Electric
Corded Electric
Corded Electric
ac
Ac/dc
particle retention size
0.01 micrometer
0.01 micrometer
0.01 micrometer
0.3 micron
noise level
22 decibels
55 decibels
22 decibels
22 decibels
26.2 decibels
24.4 decibels

Product guides and documents


From the manufacturer

Control Panel

Coway Airmega Premium Line-up

Airmega 250

Airmega 250

Airmega 250

Airmega 250S

300

Airmega 300

airmega app

Airmega 300S

400

Airmega 400/400(G)

400S

Airmega 400S(G)/400S

ICON Seamless

Airmega ICON

Customer Reviews
4.5 out of 5 stars
779
4.5 out of 5 stars
779
4.6 out of 5 stars
5,989
4.6 out of 5 stars
5,989
4.6 out of 5 stars
5,989
4.6 out of 5 stars
5,989
5.0 out of 5 stars
11
Coverage
930 sq. ft. 930 sq. ft. 1,256 sq. ft. 1,256 sq. ft. 1,560 sq. ft. 1,560 sq. ft. 649 sq. ft.
App & Alexa & DRS
Auto Mode
Eco Mode
Sleep Mode
Automatic Automatic Maunal Maunal Automatic Automatic Automatic
Rapid Mode
Filters Configuration
Pre-Filter+ Carbon + True HEPA Pre-Filter+ Carbon + True HEPA re-Filter+ Carbon + True HEPA re-Filter+ Carbon + True HEPA re-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, 2, 4, 8 Hr, Scheduler Timer 1, 4, 8 Hr Timer 1, 2, 4, 8 Hr, Scheduler Timer 1, 4, 8 Hr Timer 1, 2, 4, 8 Hr, Scheduler Timer 1, 4, 8 Hr
Available Colors
Beige Beige White White White / Graphite Graphite / White Beige

Product Description

The product voltage arrange is 120V

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Product information

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Coway Airmega 250 Smart Air Purifier, True HEPA Air Purifier with Smart Technology, Covers 930 sq. ft.


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Customer reviews

4.5 out of 5 stars
4.5 out of 5
779 global ratings

Customers say

Customers like the quality, smell and noise of the air purifier. For example, they say it's a solid air purifying product that improves air quality. They appreciate the auto function and pollution sensor. They also say it clears out any odors, dust, smoke and is relatively quiet. Customers are also impresseded with the ease of use, saying it'll be first to notice smoke in the room. They like the value, appearance, and performance of the product. One downside is the connectivity, with customers complaining about the WiFi connection. They say it loses connection a few times a week and disconnects frequently.

AI-generated from the text of customer reviews

56 customers mention56 positive0 negative

Customers are satisfied with the quality of the air purifier. They mention that it is a solid air purifying device with good looks. They say that it recognizes the bad air quality quickly and scrubs out all the smoke. Customers also say that the air filter does an amazing job reducing dust, food smells, and pet odors. They also say it works pretty well cleaning the air and that it truly hauls air through one very large multistage filter.

"...It truly hauls air through one very large multistage filter (only 1 needed as replacement yearly). It claims to do a 900ft sq. room, & I believe it...." Read more

"...I've noticed a significant reduction in settled dust on my furniture surfaces.Highly recommended.EDIT JUNE 10, 2023:..." Read more

"...The little chimes it makes when you touch a button is delicate and pleasing to the ear. It's a very satisfying sound...." Read more

"So far so good, it does seem to have improve air quality, but also could be the placebo effect." Read more

51 customers mention38 positive13 negative

Customers like the noise of the air purifier. They mention that it is relatively quiet unless the fan is on high, it operates quietly, and the fan runs softly and silently. Some say that the air cleaner quietly checks the quality of the ai.

"...had the Airmega 250 for over a year now and it has worked flawlessly, quietly (except when it goes into overdrive when I am cooking steak,) and is..." Read more

"...It's a very satisfying sound.The coverage area is perfect for my 950 sq. ft. condo...." Read more

"...This one is quiet. It has a Smart feature which will kick the fan up to a higher speed when necessary and then back down...." Read more

"...: I read these are quieter than the older Coway models but it’s not dead silent. If on 2-3 it’s pretty loud but granted it’s pushing a lot of air...." Read more

47 customers mention36 positive11 negative

Customers like the performance of the air purifier. They say it is very quiet, extremely effective, and the smart function works extremely well. Some mention that the app works flawlessly, and that the air cleaner works fine. Overall, most are satisfied with the performance and recommend it to others.

"...I've had the Airmega 250 for over a year now and it has worked flawlessly, quietly (except when it goes into overdrive when I am cooking steak,) and..." Read more

"so heres the deal. these things work great. I am a smoker, and you literally cant tell by coming in my house...." Read more

"...This air purifier works around the clock and 98% of the time you have no idea that it is even on...." Read more

"...This Airmega 250 performs just as well and the auto-sensing mode is great in the larger, main floor of our home." Read more

32 customers mention32 positive0 negative

Customers are satisfied with the appearance of the air purifier. They mention that it blends right in with modern decor, and is very well designed. Some are also pleased with the performance, saying that it looks and feels high quality.

"...(didn't even know what they looked like)... This product is exceptional in every way...." Read more

"...First of all, it's fairly nice looking in a simple, unassertive way that is happy to sit quietly in the background...." Read more

"...It looks awesome, stylish, with a modern yet retro look. It's basically silent most of the day until it detects something in the air...." Read more

"...Design: it’s much better to look at than any other air purifier I considered especially in its price range...." Read more

25 customers mention19 positive6 negative

Customers like the value of the air purifier. They say it's worth its price, the replaceable filter is relatively inexpensive compared to other similar products, and it works like a million bucks.

"...research before purchasing an air purifier, and this one is truly reasonably priced, especially considering the features...." Read more

"...The replaceable filter is relatively inexpensive compared to other similar products (~$60), and it doesn't need to be replaced as often as some of..." Read more

"...I have two Coways, and this is my favorite. Well worth the money." Read more

"...The HEPA filter will need to be replaced when it runs out, the cost isn't cheap, but it's not the most expensive one either...." Read more

19 customers mention15 positive4 negative

Customers like the ease of use of the air purifier. For example, they mention it's easy to set up, simple, and convenient. Some appreciate the AQI LED on top, which is easy to understand. That said, most are happy with the product's ease of usage.

"...First of all, it's fairly nice looking in a simple, unassertive way that is happy to sit quietly in the background...." Read more

"...Very convenient.Filter and prefilter: the filters seem very durable and high quality. They are easy to change out too...." Read more

"...I have the "dumb" version (the Coway Airmega 250) and it is easy to use, easy to clean, and easy to maintain...." Read more

"...Love the AQI LED on top. Easy to understand: blue (good) fan level 1, green (moderate) and yellow (unhealthy) fan level 2, and red (very unhealthy)..." Read more

17 customers mention15 positive2 negative

Customers like the smell of the air purifier. They mention that it works great, clears out any odors, dust, smoke, and pollen. Some love the auto function and pollution sensor.

"...Pulls smells fast & effectively...." Read more

"...it will automatically turn on if I start cooking and eliminates odors and smoke very quickly...." Read more

"...so I can't really comment on that aspect but the air in the house always smells fresh. The setup is very easy, and the functions are simple...." Read more

"It worked great, cleared out any odors, dust, smoke, lots of stuff. Air quality seemed to improve. Then the light went on to clean it...." Read more

10 customers mention0 positive10 negative

Customers are dissatisfied with the connectivity of the air purifier. They mention that it loses Internet connection a few times a week, the WiFi connection is unstable, and disconnects frequently. They also mention that the operation as a home connected device is terrible and it messes with routers. Some say that the S designation does not use WiFi, which is a good thing. However, pairing to the app is unreliable and impossible.

"...THIS UNIT DOES NOT HAVE THE "S" DESIGNATION/ IT DOES NOT UTILIZE WIFI... NO—THIS IS A GOOD THING???..." Read more

"...Cons:- Had a few days of an error with the app connecting (invalid MAC address), but eventually resolved itself..." Read more

"Loses Internet connection a few times a week and notifies you.Moderately loud if you fry some food and air detector turns fan on high...." Read more

"...The wifi connection is sort of unstable and disconnects frequently...." Read more

Does wonders for cooking
5 Stars
Does wonders for cooking
Pros:- Does a wonderful job at clearing the air. My apartment does not have a range hood for evacuating cooking smoke, and would often create a haze in my apartment. This powerhouse will recognize the bad air quality quickly and scrub out all the smoke caused by cooking. I purchased a Dyson in parallel to see which I would rather keep, and the 250s actually kept purifying after the Dyson noted “good” air quality. I could tell there was still a bit of smoke and cooking odor, and couldn’t understand why the Dyson didn’t recognize what this unit did.- Great coverage for a unit this size. I previously looked at smaller units to tuck away out of sight, but would have needed 3-4 to cover the area this unit does.- The fan doesn’t have a buzzing of mechanical sound to it, more of a “whooshing” wind, so it’s not offensive when running.- Personally, I love the look of it. I had a Dyson purifier as well (returned it to keep this unit) and it didn’t blend into any design style; this one doesn’t draw attention to itself.- Love the AQI LED on top. Easy to understand: blue (good) fan level 1, green (moderate) and yellow (unhealthy) fan level 2, and red (very unhealthy) fan level 3.- Easy pre-filter cleaning and filter replacement from the hinging front.Cons:- Had a few days of an error with the app connecting (invalid MAC address), but eventually resolved itself (unit is still usable without the app)- App is somewhat less user friendly than say a dyson app- I don’t get any history of PM2.5 pollutants, but have it for PM10- Fan speed on levels 2 and 3 can be noisy while trying to watch tv/movie or listening to music if the unit is close by (I would love if moderate air quality had a fan speed of 1.5)- No option to silence the chimes, which occur when you change settings on the device or when it moves into a new schedule block
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Top reviews from the United States

Reviewed in the United States on March 7, 2023
Style: Airmega 250Verified Purchase
53 people found this helpful
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Reviewed in the United States on September 3, 2022
Style: Airmega 250Verified Purchase
68 people found this helpful
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Reviewed in the United States on March 31, 2022
Style: Airmega 250SVerified Purchase
Customer image
5.0 out of 5 stars Does wonders for cooking
Reviewed in the United States on March 31, 2022
Pros:
- Does a wonderful job at clearing the air. My apartment does not have a range hood for evacuating cooking smoke, and would often create a haze in my apartment. This powerhouse will recognize the bad air quality quickly and scrub out all the smoke caused by cooking. I purchased a Dyson in parallel to see which I would rather keep, and the 250s actually kept purifying after the Dyson noted “good” air quality. I could tell there was still a bit of smoke and cooking odor, and couldn’t understand why the Dyson didn’t recognize what this unit did.
- Great coverage for a unit this size. I previously looked at smaller units to tuck away out of sight, but would have needed 3-4 to cover the area this unit does.
- The fan doesn’t have a buzzing of mechanical sound to it, more of a “whooshing” wind, so it’s not offensive when running.
- Personally, I love the look of it. I had a Dyson purifier as well (returned it to keep this unit) and it didn’t blend into any design style; this one doesn’t draw attention to itself.
- Love the AQI LED on top. Easy to understand: blue (good) fan level 1, green (moderate) and yellow (unhealthy) fan level 2, and red (very unhealthy) fan level 3.
- Easy pre-filter cleaning and filter replacement from the hinging front.

Cons:
- Had a few days of an error with the app connecting (invalid MAC address), but eventually resolved itself (unit is still usable without the app)
- App is somewhat less user friendly than say a dyson app
- I don’t get any history of PM2.5 pollutants, but have it for PM10
- Fan speed on levels 2 and 3 can be noisy while trying to watch tv/movie or listening to music if the unit is close by (I would love if moderate air quality had a fan speed of 1.5)
- No option to silence the chimes, which occur when you change settings on the device or when it moves into a new schedule block
Images in this review
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Customer imageCustomer image
21 people found this helpful
Report

Top reviews from other countries

Translate all reviews to English
Doug Bullock
5.0 out of 5 stars In bedroom with lights off shuts down fan & visual indicator unless poor air quality
Reviewed in Canada on March 22, 2024
Style: Airmega 250Verified Purchase
DANO
5.0 out of 5 stars absolute solid machine
Reviewed in Canada on October 24, 2023
Style: Airmega 250SVerified Purchase
Cliente de Amazon
4.0 out of 5 stars Dejo de funcionar la skill de alexa en mexico
Reviewed in Mexico on May 9, 2023
Style: Airmega 250SVerified Purchase
Massimo
1.0 out of 5 stars No Europe Plug
Reviewed in Germany on January 12, 2024
Style: Airmega 250SVerified Purchase
Amazon123
5.0 out of 5 stars BEST FRIEND EVER
Reviewed in Canada on May 24, 2023
Style: Airmega 250SVerified Purchase