We just started using our new pure guardian 2.0gal about 4 days ago & already notice a difference with my plants....they are glossier & perked up some! My skin was very dry & seems a little less at least where my skin is exposed....it is in the bedroom at night so should help us out while we sleep too! It is very quiet & the night light shines just enough light.... someone was complaining it was too bright, not ours & it's right near my husband's head & if it was... he would have complained by now! :)