How to Choose the Right Air Purifier for You

Sonja Palmer

Air purifiers do not need to be more complicated than a high-quality fan and a filter. The fan pushes the air through a High Efficiency Particulate Air (HEPA) filter that captures any harmful particles leaving clean, purified air. An activated carbon filter can also be added to remove harmful gases and odors. HEPA filters were invented in the early 1940’s for the Manhattan Project to stop the spread of airborne radioactive contaminants. They were further developed and used for decades by NASA and then widely by hospitals and other critical use facilities.  H13 HEPA filters, which are often marketed as...

Read more