Coway Airmega 400 Air Purifier vs Coway Airmega 400 S Air Purifier

  • Great for large spaces
  • Easy to use and maintain
  • Excellent air quality
  • Smart features
  • Good customer service
  • Great for large rooms
  • Powerful and effective
  • Reliable performance
  • Easy to use app
  • Good for allergies

Reviews by Topic

Our analysis shows how reviewers feel about different topics. Please note these are not full reviews.

Effectiveness

Coway Airmega 400 Air Purifier
Coway AIRMEGA 400S Air Purifier: Trusted Review In 2022
Performance Features Annual Cost Design Price Summary A worthy comeback for the Coway AIRMEGA brand. Coway AIRMEGA 400S has an excellent air filtration process and many additional features, but with an increase in the cost.
PositivePositive
1 month ago
breathequality.com
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Coway Airmega 400 S Air Purifier
Amazing Air Purifier! Software needs guidance (READ ME)
First off this filter is very large and the filters within it are huge in comparison to other competitors (Detailing Honeywell AirGenius 4 / 5 , Honeywell HEPA HPA300, and Molekule below). Check out the overall measurements of the unit before ordering it - 15" by 15" by 23" tall. First off, this pur...
4/5
kamiraa
3 years ago
amazon.com
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Air Quality

Coway Airmega 400 Air Purifier
Coway AIRMEGA 400S Air Purifier: Trusted Review In 2022
Performance Features Annual Cost Design Price Summary A worthy comeback for the Coway AIRMEGA brand. Coway AIRMEGA 400S has an excellent air filtration process and many additional features, but with an increase in the cost.
PositivePositive
1 month ago
breathequality.com
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Coway Airmega 400 S Air Purifier
Coway Airmega 400S Smart Air Purifier - Review (2022)
We can say, without a doubt, that Airmega 400S is a smart air purifier. Five Modes On the lowest speed, the noise level is entirely silent, and you can sleep with the Coway Airmega 400S turned on without a problem.
PositivePositive
5 months ago
airpurifierfirst.com
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Allergy Relief

Coway Airmega 400 Air Purifier
Saved me a fortune in antihistamines and A/C filters!
Just got my 2nd unit for the house and I could immediately breath a little easier! Cleans air beautifully. It can get a little loud at its highest level but it's still worth it! I recently discovered that I am a bit allergic to my best friend. That plus the city that we live in has horrible air qual...
5/5
Morad Hassan
4 years ago
amazon.com
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Coway Airmega 400 S Air Purifier
Saved me a fortune in antihistamines and A/C filters!
Just got my 2nd unit for the house and I could immediately breath a little easier! Cleans air beautifully. It can get a little loud at its highest level but it's still worth it! I recently discovered that I am a bit allergic to my best friend. That plus the city that we live in has horrible air qual...
5/5
Morad Hassan
4 years ago
amazon.com
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Pollutant Reduction

Coway Airmega 400 Air Purifier
Save up to 50% on Coway smart air purifiers this Black Friday
2 dB, meaning that it won't be a large disturbance in your home. Taking the smart technology a step further, the 400S model is able to hook up to any Alexa or Google home unit and can be used with voice control using the respective app. The Coway app also allows you to operate the air purifier directly from your phone, monitor indoor and outdoor air quality, check filter notifications or speed, and operate smart mode control and scheduling
PositivePositive
5 months ago
livescience.com
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Coway Airmega 400 S Air Purifier
Coway Airmega 400S Smart Air Purifier - Review (2022)
We can say, without a doubt, that Airmega 400S is a smart air purifier. Five Modes On the lowest speed, the noise level is entirely silent, and you can sleep with the Coway Airmega 400S turned on without a problem.
PositivePositive
5 months ago
airpurifierfirst.com
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Noise Level

Coway Airmega 400 Air Purifier
Very Nice Air Purifier
Disclosure: I am a long time Amazon Prime member, but purchased my 400S from an online retailer that specializes in air treatment equipment because of better pricing and was for sure an authorized dealer (buying from unauthorized dealers usually means no warranty coverage - I have read on other revi...
5/5
dswann
6 years ago
amazon.com
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Coway Airmega 400 S Air Purifier
Very Nice Air Purifier
Disclosure: I am a long time Amazon Prime member, but purchased my 400S from an online retailer that specializes in air treatment equipment because of better pricing and was for sure an authorized dealer (buying from unauthorized dealers usually means no warranty coverage - I have read on other revi...
5/5
dswann
6 years ago
amazon.com
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Filter Replacement

Coway Airmega 400 Air Purifier
WORKS WELL IN A LARGE ROOM
I have been using this filter for a month and it works well. On the lowest setting the fan noise is tolerable. As the fan speed increases the noise is a bit too loud for an office setting. The filters seems to work very well. The mesh pre-filter get dirty quickly but is easy to remove and rinse off ...
4/5
Kenneth W. Church
4 years ago
amazon.com
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Coway Airmega 400 S Air Purifier
youtube
Coway Airmega 400 Smart Air Purifier Review 2022
I'Ve had no issues out of it. Like i said, since i've had it uh, you know.
PositivePositive
Jasmine Adams
5 months ago
youtube.com
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Allergens

Coway Airmega 400 Air Purifier
Cleaner healthier air, while saving money, don’t be affraid to try the Amazon warehouse deal!!
I love a lot about this air filter. I really like the smart features. I originally thought they would be gimmicky, but after living with it for a few weeks I have experienced the value. I love that it detects the airborne contaminants, and increases air circulation to clean the air. I’ve noticed tha...
5/5
trbizwiz
4 years ago
amazon.com
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Coway Airmega 400 S Air Purifier
youtube
Coway Airmega 400 REVIEW 🎉 The Best Smart Air Purifier You Can Buy!
Absolutely love this thing: if you have allergies or pet allergies or anything, try this thing out, it's an absolute life-changing system. I highly recommend it anyway. If you have any more questions about it, just leave them in the comments below thanks for watching and have a great day
PositivePositive
James Durden
5 months ago
youtube.com
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