
Coway
Airmega AP-1512HH Mighty
Durable, effective for allergens/odors, but loud on high.

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We love our BlueAir filters. We have a 211i Max for our main floor (overkill) and a 411i max for our upstairs. Would recommend them to anyone!
I second the Blueair purifiers. I have the 211+ non auto in my living room and the smaller versions in my bedrooms. I've had the 211+ running for about ten years and still going strong. The smaller ones I had to replace recently. I got the table top Mini Max through Costco in a 2-pack and I regret that size. I'll get the smaller standing 411 ones again next time.
We have been using Blue Air for over a decade and have been happy with them. Have the 411, the pure fan, and our first one the 400. Had a couple fan issues over the years but customer service has been good so far.
Blue air junk? I have been using blue air for a decade and got one for each of my staff conference rooms during the COVID response - none of us got sick and we were in person for over a year. These things have been running for years daily and I’m a fan…
I think anything name brand with a hepa filter will be fine for you. a small one is fine if its for a bedroom. I adopted a cat and my room began to smell like a petsmart. I was lucky enough to find a $100 air purifier on Facebook market for like 20 bucks, my room smells completely clean and neutral now. I firmly believe its a big difference and helps make your room a more enjoyable space. if you dont wanna do any browsing, I use the blue 411 and I like it a lot.
Every house has a smell, coming home from travel you will notice your own. During Covid purchased an oversized for my space hepa air cleaner (blue air) with charcoal oder eliminator and since my house has no smell. Zero. Even when I run a scent diffuser it doesn’t smell beyond the room it’s in. I recommend all the cleaning suggestions, this is more long term. Mine runs 24x7 even when gone for a week or more. Some may be uncomfortable with that, but that’s for the insurance subreddit :-).
I live in Southern California, and the filters are great for fire season to keep the air clean inside. They also help when other things are going on outside like skunks, kicked up dust, the neighbors’ smoky fire pits, or even when it’s a bad pollen day. I’ve tried various brands and I still like the Coway AirMega 200M (same as the AP-1512HH). It’s not the quietest at higher speeds, and it’s not tiny, but it moves the air and filters very well. There’s a reason it’s long been the top pick of Wirecutter. If you want some more style, the various BlueAir models, especially the Pure line are very nice and also work well. They’re a bit expensive though. If money is no object, Austin Air makes some highly regarded machines. In general, UV and ozone are gimmicks. The biggest thing to look at are the CADR ratings. Higher numbers are good, they mean the unit is delivering more filtered air quicker. Always check replacement filter prices, often a good deal on a machine means they make money on selling filters.
Blueair works okay. It’s expensive but does work. Coway is definitely more performance for the money though.

Coway
Airmega AP-1512HH Mighty
Durable, effective for allergens/odors, but loud on high.

Levoit
Vital 200S-P
Smart, effective dust/odor; some find replacement filters pricey.

Winix
5500-2
Budget king, durable; poor VOC removal, Plasmawave disliked.

Coway
Airmega Mighty
Durable, great for allergies/dust, responsive auto-fan.

Winix
5510 & 5520
Good value, durable, effective for pets; carbon filter issues.

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CleanAirKits - Corsi-Rosenthal Box

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Austin Air - Healthmate Plus

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Winix - 5500-2

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Coway - Airmega 400

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Coway - Airmega AP-1512HH Mighty