Airmega 450

Most brands overstate coverage ratings. If you see a large figure (e.g., 1,500 - 3,000+ sq. ft.), this is likely at 1 to 2 Air Changes per Hour (ACH) which is too low. In any case, Clean Air Delivery Rates (CADRs) are the better metric. The Coway Airmega 400 has a top Smoke CADR of 328 CFM. Based on

I see, thanks. FYI: unfortunately purifiers aren't good at reducing visible dust and pet hair. Both are large and heavy compared to "invisible" pollutants like PM10, PM2.5, and PM0.1. See the sticky post at the top of this subreddit and entries from our FAQs wiki page: I need an air purifier for dus

You won't reduce visible dust with a conventional HEPA purifier unless you buy multiple hugely oversized units. This would be loads of money. Visible dust is large and heavy compared to "invisible" pollutants like PM10, PM2.5, and PM0.1. See the sticky post at the top of this subreddit. Our FAQs pag

I think you navigated to Coway's USA rental website. The website for buying Coway purifiers is https://cowaymega.com/pages/air-purifiers You didn't list your budget per Rule 4, so I don't know how much you want to spend (see the AutoModerator comment). For 500 sq. ft., you need minimum Clean Air Del