Airmega 450

I wouldn't focus on coverage ratings, as brands like to inflate them. With a big number like 1,700 sq. ft., this is probably at 1-2 Air Changes per Hour (ACH) which is too low. Generally you want a minimum of 4.8-5 ACH. Even so, the more important metrics are Clean Air Delivery Rates (CADRs). And ye

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

With dust mite allergens, you can try reducing relative humidity (RH) below 50% for a prolonged period. (Another study recommended RH of 45% or lower if I recall correctly.) This should kill them off. For the bedroom: of the two, I would tend to choose the Coway Airmega 350. You'll definitely need t

Wait until the Coway Airmega 450 goes on sale. This unit moves a ton of air if you can deal with the noise.I picked up a white one for about $350 around Christmas.I think the 400 was on sale a while back for $349.

Yep, should be adequate for the space. In the USA, Airmega 350 debuted just under a year ago. It seems to have good reviews so far. Keep in mind the Clean Air Delivery Rate (CADR) listed for it applies to the highest airflow speed/setting only. Lower settings have lower CADRs which reduces cleaning

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