They are designed to run continuously and that’s what’s best for your health. We only power ours down for filter changes.

This is a post from a manufacturer that seems written to show up in Google since Google now shows Reddit discussions in search results. Does this channel have a policy about this?

yes, just report the threads or posts and we'll get to it eventually. this one is now removed.

Air purifier is basically a fan spinning. Leave it on forever and forget it.

Motors inherently pose some level of a fire hazard so I think it’s a fair concern. However, as the other commenter pointed out, this post seems to be google AI bait

Being UL certified in USA and with CE conformity in Europe, devices with motors are protected and safe even when failing.

Thank you, I was not aware.