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Like with a lot of other subreddits, people here can hyper fixate on a lot of tiny (typically non-consequential) things. And a lot of those things are often just rumors or speculation. Most of the common, well known air purifiers that have ionizers are CARB-Certified or Intertek. All of those air pu

Coway makes excellent air purifiers around $160. They're small and will radically reduce dust, though it may take several weeks.

As others have stated, you want separate units. More can go wrong with a unit that has several features, and then it gets really pricey to replace it. I personally like Coway airfilters, something like the 150 or 160 has great value in my opinion. A heated blanket or foot warmer is a great option if

I wouldn't keep a purifier in the bathroom because of the very high humidity spikes. Laundry room should be okay so long as relative humidity (RH) is below 85%. If it's tiny, you may not really need a purifier there at all. Generally, purifiers in kitchens are not an ideal solution; the best is a ve

Per the AHAM 2/3 rule (assuming an 8 ft. high ceiling): A 100 sq. ft. space needs minimum CADRs of 67 CFM. A 500 - 600 sq. ft. space needs minimum CADRs of 334 CFM - 400 CFM. However, you may need even higher CADRs due to allergy severity and cat dander. We generally recommend Coway first as it's on

There are some Black Friday [BF] deals already, but I think there may be more to come in the week leading up to Thanksgiving or BF. I would generally recommend Coway first. They're one of the highest quality consumer-grade brands. I think their larger and more powerful models may not be discounted y

Unless you buy used, it's really difficult to find a purifier that handles particulates and long-term gases/vapors/odors, especially when you have a small budget. This is because you need at least 3-5 lbs. of sorbent media (activated carbon, activated alumina, or synthetic zeolites) for gases/vapors

If you want excellent coverage you probably want something rated for 3,000 sq. Ft. (6x air changes per hour x 500sq foot room size.) 6 ACH is excellent. 4 or 4.8 is "good" depending on the metric. So a Levoit Core 600 is rated for 3,000 and would be a great choice imo. Although if the bed room is 40

My Coway 230 plays nice with smart plugs and restores power after loss. The other Coway purifiers e.g. 150/160 probably do as well. However, Coway has been really shit lately about EOLing products suddenly (Coway 230 isn't even available for sale anywhere, despite being hands-down their best-looking

Hi StellaPluto, thanks for your thorough response. One question: did you Alen or Coway give off a plastic smell? I had the Coway Airmega 160 and the plastic chemical smell was strong and didn’t dissipate after running it for two weeks. Returned it which ended up costing me a bit. Now reluctant to or