Obviously a top quality product, glad to have purchased it

Obviously a top quality product, glad to have purchased it  Read Less

Versatile, many modes, moves a lot of air and auto setting works well.

Versatile, many modes, moves a lot of air and auto setting works well.  Read Less

It runs quietly at minimal fan level until/unless it detects lower than normal air quality then it works harder, and returns to...  Read More

It runs quietly at minimal fan level until/unless it detects lower than normal air quality then it works harder, and returns to low level in a few minutes.  Read Less

I have tried the honeywell hpa5300b which cleaned the air really well short term but were poor quality with lots of noise issue...  Read More

I have tried the honeywell hpa5300b which cleaned the air really well short term but were poor quality with lots of noise issues, and the levoit 600s which had every feature you could want but didn’t clean the air (i had two for 1100 sqft space, the air quality from outside air was a score of 0-99 with 99 being highest at 83 (independent testing tool on other side of room).  Read Less

Got it on sale for a lot cheaper than original price so watch for a price drop on amazon.

Got it on sale for a lot cheaper than original price so watch for a price drop on amazon.  Read Less

Expensive, but if you really need an air purifier that can handle it all.

Expensive, but if you really need an air purifier that can handle it all.  Read Less

Coway shipped out a brand new replacement (just received it today, which prompted me to write this review) and the replacement works great.

Coway shipped out a brand new replacement (just received it today, which prompted me to write this review) and the replacement works great.  Read Less

I liked it so much that i replaced the levoit 300 in my bedroom with an airmega 100, and i like it very much too.

I liked it so much that i replaced the levoit 300 in my bedroom with an airmega 100, and i like it very much too.  Read Less

The filter media is much better made than the levoit units, having much more activated carbon, and much more surface area.

The filter media is much better made than the levoit units, having much more activated carbon, and much more surface area.  Read Less

Overall, the coway airmega 400s is a powerful and smart air purifier ideal for large living rooms, though it comes with a higher price tag.

Overall, the coway airmega 400s is a powerful and smart air purifier ideal for large living rooms, though it comes with a higher price tag.  Read Less