Coway

Airmega Jet

Coway Airmega Jet

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Overall

#301 in

Air Purifiers

according to Reddit Icon Reddit

Sentiment score33% positive
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Last updated: Sep 5, 2026

Reddit Reviews

Reddit Iconsissasassafrastic
10 months ago

No, Dyson is one of the worst! The HP09 has terrible Clean Air Delivery Rates (CADRs). They just know how to market effectively. As **Rule 4** and the AutoModerator comment repeats, it's helpful to know the ceiling height. I'll assume it's 2.4 meters. 60 m^(2) x 2.4 = 144 m^(3). For rooms measured in meters, CADR should be at least 3 times a room's volume (in m^(3)). So the minimum CADR should be 432 m^(3)/h. If you have [allergies, health conditions, high pollution, etc.](https://www.reddit.com/r/AirPurifiers/wiki/index/how_to_choose_an_air_purifier_for_particulates/#wiki_when_higher_than_normal_cadrs_may_be_needed), multiply the room's volume by 4-6. So CADRs of 576 - 864 m^(3)/h. Coway is a high quality brand that's relatively quiet. I don't know exactly where you are, so I don't know what's available to you. But the [Coway Airmega 400](https://www.amazon.co.uk/purifier-restaurant-certified-HyperCaptive-filtration/dp/B099S9Y285) would be a very good fit (Amazon UK website linked). If you can't find that, the Coway Airmega 300 might suffice... although you may want to supplement it with a smaller Coway model like the Coway Airmega Jet.

Reddit Iconsatmandu
6 months ago

If you cook a lot, you're generating a ton of stuff that is likely better vented outside—doubly so if you have a gas stove. No air purifier is going to be better than a box fan in the window of your kitchen blowing out. We've used a variety of fans in our kitchen window for the past decade, and an air purifier we have just outside the kitchen(a Coway Airmega fan that has a smart feature) doesn't have to ramp up much anymore thanks to the volatiles never actually making it out of the kitchen.

Reddit Iconanonablous
8 months ago

bought a coway air mega last yr. no complaints, no smells ever :) tried that box fan nonsense-even after sealing all gaps around frame/filter, still mostly recirculated the air right near it. worked terribly (regular 20 buck lasko box fan)

Reddit IconBigGoose666
8 months ago

I use horse bedding pellets from Tractor Supply, I pour them on the bottom of the litter bin and then put a bunch of hay on top. It works pretty good, someone on here said they found something even better but I forget the name. As far as air purifiers? Absolutely. A great air purifier sucks up so much fur - not perfect, but I vacuum mine every day so it’s easy to see the good work it does. It’s a Coway Mega. Works very nicely. If they’re shedding fur is crazy then they may be shedding, brushing will always make things easier but the purifier is great

Reddit Iconbloodredyouth
8 months ago

I love my winix plasma wave. I also have a Conway air mega that’s sized for my bedroom that’s been going strong

Reddit IconBuoybob
9 months ago

Coway air mega has been excellent. Have several units around the house.

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4
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Rankings by Use Case

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