The 13 Best Amazon Air Purifiers — Starting at $40

GermGuardian 3-in-1 Air Purifier With True HEPA Filter ($140)

Have a larger space? This air purifier is worth a try. More than 2,000 reviewers on Amazon are fans of its super-cleaning system. What makes it stand out is its UV-C light technology that works with titanium dioxide to help diminish and kill airborne viruses, germs, bacteria, and mold spores. It comes in two colors: black (pictured here) and white.