To provide a facility equipment managing device for reducing a load when the persons concerned manage facility equipment, and to provide a facility equipment managing system, a facility equipment management method, and a facility equipment managing program.

The facility equipment managing device 10 is connected to a device 30 for managing the persons concerned, where the request of the persons concerned, such as facility equipment 60a is inputted, via a network 40, and manages the facility equipment 60a, or the like through a network 70, according to the request of the persons concerned. The facility equipment managing device 10 comprises a first transmission/reception section 11 and a generation section 21. The first transmission/reception section 11 receives authentication information including the identifier of the persons concerned from a device 30 for managing the persons concerned via the network 40. The generation section 21 generates an HTML file with a Java applet. The first transmission/reception section 11 transmits the HTML file to the device 30 for managing the persons concerned via the network 40 with the Java applet.