The 1st level GERM is virtually silent; it is the perfect level to use while watching a movie. #2 is a pleasant white noise that is barely audible and offers a great amount of filtration. The 3rd and 4th levels offer superior air flow and are so much quieter than other Honeywell filters.
It helps with asthma and allergies. Stop waking up with a stuffy nose, and take particles out of the air so you won't be seeing as much dust. Make sure you have enough for the sq footage of your room.
Some buyers complain about its customer support service.
The styling is far superior than other similarly priced purifiers. Which makes it less of an eye sore. It's best to run on turbo when you're not home and use 1-3 fan setting as maintenance when home. Fan settings 1-3 are quiet enough to have in the bedroom at night.
There is an odor that is noticeable when set on turbo.
This one has the most compact size in out selection. Lightweight and portable, easy to move around. This system includes a permanent pre-filter that captures pet hair and large particles, 2 zeolite filters to target pet odors, and a permanent, HEPA-grade filter for capturing small particles as small as .3 microns.
The machine can get overheated.
3 Stage Filtration System: Pre-filter, HEPA Filter, and Activated Carbon Filter. It removes 99.97% of dust, pollen, smoke, odor, mold spores, and pet dander; filters particles as small as 0.3 microns and larger and filters air pollution of PM 2.5.
Some buyers said it is a little bigger and heavier than expected.