Most brands steer clear from emphasizing the size of their air purifiers, but the Dyson Purifier Big + Quiet Formaldehyde air purifier is proudly large and surprisingly silent while filtering.

The Dyson Purifier Big + Quiet Formaldehyde air purifier is unusual in that the droid-like design really leans into its larger size compared to most any other air purifier available for the mass market. But that’s intentional, noting an air purifier is only as effective as its ability to utilize airflow to bring in pollutants in contact with a filtration medium to scrub the air clean. The more flow and the larger surface area, the faster the filtration rate. Dyson’s trick is accomplishing all this with an acoustically engineered motor bucket optimized to hush maximum full-speed filtration down to a minimum.
So how quiet are we talking about" Dyson claims their sizable air purifier measures a very reasonable 56dBA when set at full blast. For reference, according to this decibels chart, a refrigerator produces about 55dBA of environmental noise; that’s also in the realm of normal output for a dishwasher, a perfectly acceptable volume when you really need to set the unit to its maximum speed. Thus the Big + Quiet is being promoted as a healthy home and communal space solution effective for up to 1,000ft², suitable for use not only in larger living rooms, but also in classrooms, hotel lobbies, and other communal spaces where a larger and more powerful uni...