Office Environment

Air quality is easy to ignore in a home office because the effects are gradual. You can work in a stuffy room with moderate dust and pollen and still get things done. But by mid-afternoon you might feel sluggish, get a headache, or start sneezing through a video call — and it takes a while to connect the dots back to the air. We tested 7 air purifiers — compact desk units, medium-room purifiers for standard home offices, and larger units for open-plan setups. Each was tested in a 12×12 foot room with hardwood floors and a window that stays closed most of winter. We measured PM2.5 reduction over 60 minutes, noise at sitting distance, and how long filters last before replacement. ...