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

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I do have two Oransi the 200 and the 270c true carbon. Since I love a good sale I picked up another 200c for a discounted price. I like them but I think the layout of my home and the fact that no air purifier is going to completely work when you have a large amount of smoke from someone smoking 20 hours a day. In combination with my Winix ones it definitely makes a difference. I can’t afford to buy a house and this apartment is rent controlled so I’m not going to move. I just want to make it livable until management gets her out or something happens. The way housing prices are now the landlords know you’re not going anywhere and people will put up with a lot for cheap rent.
Portable hood by the window for capture. HEPA + big carbon purifier running high during + a few hours after. If money is tight: consider a DIY Corsi–Rosenthal box (for particles) + a smaller carbon purifier or the hood for odors. If money is not as tight and smoke is frequent: consider a smoke-focused purifier with heavy carbon (Winix 5510, Levoit large-room, Oransi TrueCarbon, Austin Air, etc.).
You need carbon filtration for odours, not just HEPA (which only filter out particulates). You need pounds of activated carbon. The Oransi TrueCarbon springs to mind, but it's expensive ($600) and the carbon filter would need to be replaced every few months ($100 a pop).
My husband has asthma and any generally reputable air purifier has helped with that. When it comes to smell, a charcoal air purifier is the answer. We use Oransi’s charcoal air purifier, which is a big initial investment but the filter only needs to be changed once a year so it breaks even with the cheaper purifiers that need filter replacements every month.
To be fair, you *can* place one in the kitchen. But there are very annoying drawbacks if you have no or a seriously inadequate range hood (e.g., grease build-up and high humidity prematurely saturating the sorbent media). The good news is you already have a vented range hood, so the worst of those pollutants should exhaust outside. I think using the Oransi TrueCarbon in the kitchen should be okay. Run the range hood on the highest airflow setting for any kind of frying, searing, grilling, steaming, or open pot boiling.
Oransi TrueCarbon is the answer. Whether it will actually work for your use case is another question. Also look into Austin Air, they have some cheaper units.
End of reviews

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.

Ranked #1
IKEA - UPPÅTVIND

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CleanAirKits - Corsi-Rosenthal Box

Ranked #1
Austin Air - Healthmate Plus

Ranked #1
Winix - 5500-2

Ranked #1
Coway - Airmega 400

Ranked #1
Coway - Airmega AP-1512HH Mighty