Best for UV-C light effectiveness
GermGuardian AC4825
1.5 feature score
Highest scored product for this feature based on supporting review evidence.
Best Air Purifiers for UV-C light effectiveness
UV-C light effectiveness Decision Dashboard
Reviewers repeatedly criticized the optional UV-C stage as poorly implemented or minimally useful; only one test saw a tiny added air-quality improvement.
Pros: filter availability, ozone-free operation
Cons: washable pre-filter, VOC reduction