When you think about air purification, most think of HEPA filters. UV-C light, one of three types of ultraviolet light, is commonly used in air purification. When properly utilized, this invisible form of light can safely kill germs, mold, mildew, and in some cases even bacteria and viruses.
Does UV light in air purifiers produce ozone?
The danger comes from oxygen particles that are broken apart by the high-energy UV-C light. These atoms then combine again with other oxygen atoms to form ozone. Therefore, UV-C air purifiers are not ozone-free. Not only do they produce ozone, they are not very effective in a residential setting.15 Jan 2019
Is ozone from UV-C light harmful?
The longer (253.7 nanometers) wavelength of UVC light, by contrast, provides highly effective air and surface disinfection without producing any harmful ozone.
Do UV sterilizers create ozone?
While all lamps from UV Resources do not create ozone, some of our fixtures have been certified to meet UL-2998, a zero-ozone verification standard. WHAT IS OZONE? Ozone (O3) is a toxic gas that can cause respiratory tract irritation, asthma, and even permanent lung damage.1 Jun 2020