UV Light
UV light purifiers use UV-C light, also known as germicidal light. It harms cells by destroying nucleic acids and disrupting their DNA, which either kills them or leaves them incapacitated. These cells have to be exposed to UV-C light for long periods of time for this to work.
One of the biggest concerns with UV-C light is that it can produce various levels of ozone. Even small levels of ozone can cause lung irritation, chest pain shortness of breath, and coughing.
DFS Technology
Disinfecting Filtration System (DFS) technology uses a high-energy grid, creating microbiostasis condition which prevents anything from being able to live or grow inside the filter. DFS has been studied and is one of the only technologies proven to capture 99.99% of particles as small as 0.007 micron in size. This includes harmful viruses, mold, fungi, bacteria, VOCs, and ultrafine particles.
DFS achieves total system efficiency, meaning every air purifier achieves greater than 99.97% efficiency at 0.3 micron. HealthWay units are individually tested to meet and exceed HEPA industry standards and have been 3rd party tested to uphold rigorous standards such as Intertek Zero Ozone and EN 1822.