Recessed troffer UVC fixtures are designed to mimic modern architectural fixtures, with either only UVC lamps or a combination of germicidal UVC and fluorescent white lamps in a single fixture. Individual ballasts allow for selective switching between general illumination and ultraviolet disinfection, with requring separate fixtures. These fixtures utilize reflective aluminum and optical egg-crate louvers. A hinged door can easily be opened with inconspicuous metal slide latches for cleaning and bulb replacements. These fixtures are also designed for maximum heat dissipation. Ideal for hospitals, pharmaceutical manufacturing facilities, clean rooms, laboratories, among others.