Lamps Plus and Ferguson Bath, Kitchen & Lighting Galleries, both major lighting retailers, are not yet offering products with far-UVC, they shared in response to inquiries. An Available AlternativeĪs Brenner noted in his comments, this technology is not yet in wide circulation for single family residences or even individual units in multi-family spaces. #FAR UVC LIGHT MANUFACTURERS SOFTWARE#I might add that exactly the same software that lighting designers currently use to design the visible lighting for any given room has now been adapted to be used for indoor far-UVC lighting design. In this sense this is no different from designing the regular visible lighting for a room – for visible lighting, a bigger room and/or a room with a higher ceiling simply requires using more lights or higher wattage lights. If the ceiling is higher, one either uses more lamps or more intense lamps. For example, is a 20-foot ceiling too high?īrenner: There is no particular limitation here. Gold: How high can they be to not diminish their effectiveness. The far-UVC vendors are designing their lamps to stay well within these regulatory safety limits. I might just add in terms of safety, that there are already national and international regulations as to how much UV light of a particular wavelength people can safely be exposed to. Gold: Anything else you’d like to add about far-UVC light for residential-related uses?īrenner: One plus is that far-UVC lamps would be useful to reduce not only the transmission of COVID-19 but, ongoing, also other airborne diseases such as seasonal influenza, measles and TB – not to mention the next pandemic virus when it comes. At present, far-UVC LED lights are a bit too inefficient for large scale deployment, but I would expect that the LED manufactures will produce practical far-UVC LED lights in the near future. Incidentally, just as there is a move in visible lights toward LED, the same may go for far-UVC. Gold: Do you see far-UVC light being used in single family residential settings in the next few years? If not, why not?īrenner: In the longer term perhaps, but more immediately I see the main applications being more for more public indoor settings, where one has less knowledge of the disease status of the other people in the indoor space. Some vendors have combined far-UVC/visible light fixtures while others have “stand alone” far-UVC lights. #FAR UVC LIGHT MANUFACTURERS INSTALL#Gold: What types of products (e.g., bulbs, ceiling lights) have been shown to be safe and effective for dispensing far-UVC light?īrenner: The current far-UVC technology is called an excimer light, and the idea is to install these in the ceiling of the indoor room(s) in question.
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