Fuente: Wipo "digitalization" A building system including one or more memory devices storing instructions that, when executed by one or more processors cause the one or more processors to store a digital twin for a piece of building equipment, the digital twin comprising a virtual representation of the piece of building equipment, wherein the digital twin communicates with the piece of building equipment to operate the piece of building equipment and determine one or more diagnostic messages based on the virtual representation of the piece of building equipment and communicate the one or more diagnostic messages, by the digital twin, to the piece of building equipment causing the piece of building equipment to perform one or more operations. The instructions cause the one or more processors to receive one or more diagnostic message and generate a diagnostics report for the piece of building equipment based on the one or more diagnostic message responses.