Can this UV-C bulb produce ozone?
The short answer is no, a pure 254nm UV-C bulb will not produce ozone. A UV-C lamp at the 253.7nm wavelength will actually destroy Ozone! It also destroy bacteria, mold, and viruses (including Covid-19).
Does ultraviolet (UVC) light kill the coronavirus (Covid-19)?
Yes, UVC light has been shown to inactivate the coronavirus According to many scientific studies and tests performed by several reputable institutions
Is this lamp supposed to always be ON? Or only turn ON and OFF when the AC runs?
We recommend for this lamp to always be ON for 2 main reasons: