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Pros & Cons
pros
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Filter Replacement
Customers are overwhelmingly positive about the filter replacement process and cost. They appreciate the discount offered by Coway on filters and find them easy to install. Some customers mention that the carbon filter lasts longer than expected while others find the price of the filters a bit steep but still worth it due to the air purifier's effectiveness in removing odors and allergens from the air. A few customers have had issues with Coway's customer service regarding filter replacement.
Air Quality Detection
Customers have generally positive opinions about the Coway Airmega 200M's ability to detect and improve air quality. Some mention that the auto function effectively reacts to changes in air quality, while others note that the blue light can be a concern for those sensitive to light during nighttime use.
Quiet Operation
Customers have generally positive opinions about the quiet operation of the Coway Airmega 200M air purifier. Some find it almost silent and soothing, while others mention that it's lightweight and easy to move around. However, a small group of customers express concerns over the brightness of the lights on top and the occasional loudness when the unit is set to higher fan speeds.
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Reliability
Customers have mixed opinions on the reliability of the Coway Airmega 200M air purifier. While some are highly satisfied with its performance and ease of use, others have reported issues with the sensor. Overall, most customers believe that the product is reliable and worth the investment, but a small group has encountered problems.

Highlights
Quality
Having this really helps with the overall air quality in my house especially during allergy season and when there is heavy cooking.
High quality, multiple fan speeds, trim profile.
Coway knows this is a problem and doesn’t seem interested in solving it, despite making a product promising to make your enviro... Read More
It’s bad and it lasts for days, over 7 days for the smell to lessen this time.
Price
They will also provide you a discount on filter replacement!
Everyone says this is the best air filter unit for the money.
Replacement filters are a little pricey but it its worth it when you see what it pulls out of the air.
Packaging/appearance
I too was a bit skeptical of a brand i was not familiar with, however, packaging was excellent with no styrofoam!
Even the packing was well made and well done.
I knew to remove the plastic from the filters before turning the machine on, but even the packing materials directed me as to what to do.
No signs of previous package opening which i appreciate.
Competitiveness
Wirecutter says that the coway airmega 200m preformed very well in their lab tests- punching above its weight.
Most air purifiers in this price range and size class perform similarly because they use hepa filters and have similar airflow rates.
Before this, i owned the blueair 311i max, and its fan noise at the medium setting was higher pitched and thus more annoying th... Read More
I have tested a few different brands against each other, the coway did the best when it comes to detecting fumes from cooking, ... Read More
Overview
- How are reviewers describing this item?
quality, quiet, great, good and loud. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 26022.
- Our engine has discovered that over 90% high quality reviews are present.
- This product had a total of 924 reviews as of our last analysis date on Mar 13 2025.
Helpful InsightsBETA
Posted by a reviewer on Amazon
I was worried about comments of the hepa filters smelling bad but they have no smell
Posted by a reviewer on Amazon
Other than the highest mode it is very quiet
Posted by a reviewer on Amazon
The hepa filters barely look dirty 2 months in
Posted by a reviewer on Amazon
While my winix c535 hepa filters are already showing slight black marks
Posted by a reviewer on Amazon
I just vaccum it while the unit is running on low and it gets all of it off
Posted by a reviewer on Amazon
I dont know maybe it is maybe it isnt
Posted by a reviewer on Amazon
But it does work and its very quiet on the low setting and reasonably quiet on the medium setting
Posted by a reviewer on Amazon
On high it gets quite loud but you really dont need it to be on high under normal circumstances unless youre burning something in the kitchen
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