A display case door includes a sealed glass unit assembly, a door frame, and an electronic display. The sealed glass unit assembly includes a sealed glass unit and a subframe extending about and coupled to the sealed glass unit. The subframe includes a set of two or more subframe rails configured to hold the sealed glass unit. The door frame is coupled to the subframe and configured to support the sealed glass unit assembly in the door frame. The electronic display is coupled to the door frame in front of the sealed glass unit. The door frame is configured to couple with a display case enclosure in an opening of the display case enclosure.