ProX(W)

See the AutoModerator comment. Air purifiers aren't good at reducing visible dust or pet hair as both are large and heavy compared to "invisible" pollutants like PM2.5. See the sticky post at the top of the subreddit and our other subreddit resources on dust: I need an air purifier for dust. What sh

Housefresh.com's reviews are useful, because they measure sound and CADR using a consistent methodology, allowing you to compare among units. They've tested the three you mention. I'd suggest making a table of CADR and noise at each fan speed from their reviews. That's what I did. Based on a quick l

With a 150 ft^3 bedroom, you need a CADR of 100 to get the recommeded 5 air changes per hour (assuming 8' ceilings). You could put something like a Coway AirMega ProX in the bedroom. On silent mode, I measured it at a CADR of 170, and there's nothing wrong with overkill. And it's probably quieter th

I appreciate the upvote. I was blissfully unaware that down voting was even a thing here. I am pretty new to this forum and hadn't noticed. Kindof sad that I know that now! I appreciate all your calculations.. I have done much of the same trying to find the right combo of dB, CFM, and cost. And yeah

It has the highest CADR while being quieter than your two options listed. I have one in my living room and it’s great, although it energy inefficient. It’s essentially just a modified Chinese filter fan with a grill. I also have an IQair healthpro plus and wouldn’t recommend it very highly. It’s jus

Well I'm glad IQAir's trying to source more sustainable materials, so kudos to that! That being said, the purifier is very expensive for the air cleaning performance. You will need to run it at the highest airflow speed/setting. IQAir usually publishes Sound Power Levels, but for the Atem Earth only

See the AutoModerator comment. Purifiers aren't good at reducing visible dust particles as they're large and heavy compared to "invisible" pollutants like PM2.5. An even stronger argument could be made for dog hair. If you don't have one already, I'd get a good quality bagged vacuum cleaner with a H

Assuming you haven't picked something out already... The Medify Air MA-112 (V2.0) is powerful, but loud on the top airflow speed/setting. Per the AHAM 2/3 rule, a 1,872 sq. ft. space would need minimum CADRs of 1,248 CFM. So any one consumer-grade purifier will fall short. I would go with the Coway

Freestanding purifiers can't overcome walls or doors. You need one for each room or area. See Rule 4: Information For Air Purifier Requests. I don't know what you consider quiet. AHAM recommends Clean Air Delivery Rates (CADRs) should be at minimum 2/3 of your room's area. This assumes an 8 feet hig

There's no app for the Coway Airmega ProX, so you'll have to use buttons on the purifier. Yes, it can be run continuously on the same speed. (Manual speed choices are speeds 1, 2, and 3.) There's also a "Turbo Mode". According to the ProX owner's manual: "Turbo mode accelerates the air purification