Core 400S

Yes, so Levoits are an excellent brand that do not have ionizers by default. (Only their "plasma pro" line has ionizers, all others do not.). So as someone else said the Core line is excellent, so there is the Core 600,400, and 300 and another good one, with square design is the Vital 200s. So some

I’ve got three air purifiers one in living room and one in each of my two bedrooms. They run 24/7. I sometimes run my bedroom on high at night instead of a fan. And you leave them on when the window is open they can trap pollen particles as they come through your window. I personally don’t recommend

The Top 3 Best Overall: Levoit Core 600S The 600S is the 2026 gold standard for basements. It offers a massive CADR of 373 CFM, capable of cleaning a 600+ sq. ft. space every 12 minutes. Its 3-stage filtration includes a heavy-duty carbon filter that targets the "basement smell" specifically. Best f

Best overall: IQAir HealthPro Plus This is widely considered one of the most powerful residential air purifiers for mold and allergens. It uses HyperHEPA filtration that captures extremely fine particles beyond standard HEPA. It’s especially effective for people with strong mold allergies or respira

Those are all great brands and you can’t go wrong with them. People will have their personal preferences or opinions, but in general those are very solid brands that work well. Coway only has WiFi on some of their models, and if you’re trying to maximize CADR and value with WiFi and a good app, I’d

In order of actual impact to fix it: 1. Measure first. Inkbird or Aranet4 for CO2, a cheap PM2.5 sensor for particulates. You can’t optimise what you haven’t measured and the results are often surprising — cooking spikes PM2.5 more than most people expect, and closed bedrooms hit 1,400+ ppm CO2 afte

We have Levoit Core 400s in two rooms for nearly 18 months. Quite happy.