Question : How fast does an air purifier work and when do you start noticing the difference?
I’m about to purchase an air purifier and I want to know how fast will I notiice results. Does anybody have asthma and has an air purifier, and have any testimonials.
air purifier

Best answer:

Answer by martinamagrace
I have COPD. I have purchased air purifiers off and on for years. From top of the line on down. I have had two running at one time.

I honestly could never see a difference in the air quality in my home. I was happier with the windows open. (weather permitting)
I would never buy another one.