
Coway - Airmega AP-1512HH Mighty
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Reddit Reviews:
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Based on 1 year's data from Feb 24, 2026 How it works
Liked most:
34
3
"I’ve seen it reduce heavy smoke pollution by almost 99.6% in just 30 minutes"
"We’ve also had terrible Smokey days from the Canadian wildfires in my area and when I last replaced my filter, it was almost black so it was working hard!"
"It handles pet hair, dander, and odors like a champ."
59
2
"I’ve seen it reduce heavy smoke pollution by almost 99.6% in just 30 minutes"
"PM2.5 fell from 35 to under 5 in 20 min."
"We’ve also had terrible Smokey days from the Canadian wildfires in my area and when I last replaced my filter, it was almost black so it was working hard!"
31
3
"And on medium it's whisper quiet. I don't even notice it, and I have three."
"It’s not very loud ... the noise is not too bad compared to Levoit & I have extreme noise sensitivity issues"
"Silent"
15
7
"Replacement filters are like $12-15 each and I can usually go 12 months before needing to change."
"Knockoff filter replacement sets are about $25 — you only need to replace the hepa filter once or twice per year so it's not a huge ongoing expense."
"Big plus is that I can buy filters on Amazon for cheap."
20
0
"They've run 24/7 for years without an issue."
"Gave an old one I have is five years old and still working perfectly."
"One of them has been running nonstop for 5 years and still is perfect."
Disliked most:
6
2
"They’ve massively oversold how large of a space this device is suited for. ... I found it did nothing for odors. ... There is basically no carbon filter in this so it won’t filter odors at all… ... Correct. I wish I had realized that before I bought it but oh well. The carbon sheet is advertised to make one think it will help with odors. Live and learn"
"Idk, I don’t find the Airmega 1512hh helpful when it comes to smells. ... The carbon sheet feels useless in comparison to pelleted carbon."
"There is basically no carbon filter in this so it won’t filter odors at all…"
8
8
"One rattles like crazy. It's only a couple months old."
"It does get loud on basically all but the lowest setting. ... Anything higher than that and I turn up the volume on the TV, can’t hear conversations in other rooms, etc."
"I think the coways are a little TOO loud on high for my personal taste"
8
7
"the filter costs have you replacing filters every 3 or 4 months with full use."
"DO not buy their filters directly from them - way overpriced"
"Filters are $$$."
3
3
"I have two big Airmegas running in fairly small spaces and I can't tell a difference in air quality between when they've been running and when they haven't. ... I don't get what the point is."
"You need one per room, they dont really cover more than a few hundred sq ft."
"Having 1 was a bit undersized for my house so at first it seemed to run on medium and high more often (I almost always keep it on Auto)."
0
1
"The problem with Coway is poor customer service. ... They tell me to return it to Amazon, but I don't have the original package. So I'm supposed to purchase a new box from them to return to Amazon. Amazon won't accept it anyway because it's outside the 30 day return window. Coway's solution is to stop responding to emails."
My recommendation (had three in an apartment for eight years, they didn’t miss a beat) is the Coway Airmega AP-1512HH Mighty. Not cheap (~$200) but wait for a sale/coupon if you can. https://www.nytimes.com/wirecutter/reviews/best-air-purifier/
You’re going to want a Coway. https://www.nytimes.com/wirecutter/reviews/best-air-purifier/
Sorry, what "air quality problems"? Can't say we've noticed any, with our 3 air purifiers running 24/7 in a one-bedroom apartment... 😉 (Both of us have pollen allergies and one of us has asthma.) That should answer your question. Seriously, buy an air purifier. Once you feel the difference you'll probably end up getting a few more. We've got two of the medium Coway models (Airmega AP-1512HH or 200M) and a smaller BlueAir. They also help with smells -- bathroom, pet, or cooking. Highly recommend the Coways because they: * Are whisper-quiet on all but the highest setting, and can auto-adjust (though we usually leave them on medium because they get loud if they kick into high). * Move a lot of air for their size * Have filters that last way longer than they're rated for (as long as you clean the prefilter) * You can turn the main light on the purifier off for use in a bedroom at night Tip: it's better to get several medium air purifiers and put one in each room or area rather than getting just one big one.
Don't waste the money on Dyson (they're heinously overpriced). Go with one of the Coway models, you'll get more airflow for your money and the filters last much longer than they're rated for. The Coway AirMega AP-1512HH and AirMega 200M are good picks (have both and like them quite a bit). The Levoit and BlueAir models are good too, but they tend to go through filters quickly and that becomes expensive fast. The prefilters on the Coway models are good at catching particles and dust before they make it to the HEPA filter and clog it, so the HEPA lasts much longer. Also, the activated carbon will absorb smells and chemicals. Also, unless you have a giant wide-open space or really big rooms, it tends to work better getting several mid-sized air purifiers vs. one extra-powerful one. More purifiers means more airflow without a lot of noise. They also do a better job covering multiple rooms, since they're less at the mercy of airflow between rooms.
Happy to help! For what it's worth, the Whirlpool suggestion seems to be a similar design to the Coway (with similar benefits). I just don't have previous experience with it, and the Coways are somewhat cheaper and come up consistently on lists of top air purifier models. Note that for many air purifiers, after 3-5 years you'll spend more on HEPA filters than you do on the purifier itself. That's why it's so valuable to have a design that reduces how often the filters need to be replaced. [Wirecutter by the way was my source on being able to run the filters much longer than they're rated for, and they did a good overall set of reviews](https://www.nytimes.com/wirecutter/reviews/best-air-purifier/)
Thanks, I just ordered the Coway as it seems a pretty solid choice for my budget. I’ll start with this one and see which room it works best in, then probably buy another purifier for the other room. What do you think about also getting a small carbon filter for my desktop. Maybe I could vape at my desk and blow it into the filter? And keep my cat out of my office during.
Coway AP1512HH, have had them 5+ years with dogs, kids, wildfire state, still going strong. Get the multipack replacement filters from generic vendor
We have 2 of the Coway Airmega AP1512 and one Levoit Core, definitely recommend the Coway. Got them in 2020 with a baby on the way and Covid and western wildfires fullbore, they are still going strong. Family of four and one dog.
Coway Airmega AP-1512HH has been my go-to for a couple of years. It’s compact, quiet, and works like a charm for medium-sized rooms (up to 361 sq. ft.). The 4-stage filtration system (pre-filter, HEPA, carbon, and ionizer) is super effective at removing dust, allergens, and odors. I love that it has an eco mode to save energy when the air quality is good. It’s reliable and low-maintenance.
I have a Coway Airmega AP-1512HH Mighty that I brought to all my classrooms last year! There is definitely evidence that an air purifier can reduce illness in classrooms. And I tell my students not to come in if they’re sick! I think an air purifier is a great idea and an easy way to reduce illness. Hope everything goes well for you this year.
I second Coway. I have the [Coway Airmega AP-1512HH](https://www.reddit.com/r/ApplianceAdvice/comments/1cx5tt5/best_air_purifier_to_buy/) and it is a fantastic air purifier to improve indoor air quality. It's quiet, efficient, and has a sleek design that blends seamlessly into any room.
I have the coway airmega which is the wirecutter top pick (https://www.nytimes.com/wirecutter/reviews/best-air-purifier/) I liked it enough to buy a second one for my home. It has been great and it does make a difference.
I have a couple! The AirMega 100 is the smallest I have and the air mega mighty ap-1512 is the biggest— I also have the air mega 160 which is a great midsize one if your space isn’t too big. https://cowaymega.com/products/mighty-ap-1512hh?
Was comparing the sales and planning on getting another Coway air purifier for my house cause I loved the previous two we got. Seems like you get a better deal on cowaymega.com. Dropping this here for anyone who needs!
Wanted to clarify this is the Coway Airmega Mighty or Coway AP-1512HH Mighty air purifier, the same one Wirecutter has been pushing the last ten years or so, in case anyone was confused!
I saw the Coway AP-3008FH in a client's office once, it looked HUGE so I would never consider getting it for my apartment. For 1000 square foot you could go for the Coway Mighty AP-1512HH. I have two units in my apt. Or if you want something that overcovers, you could check out the 350 or 450 for a big open space.
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