1. A building control system comprising: a communications network; a control subsystem for generating module deployment data and transmitting the module deployment data over the communications network; a memory for storing a three dimensional model of at least a portion of a building; and a computer and a computer program executed by the computer, wherein the computer program comprises computer instructions for associating module deployment data received from the communications network with the three dimensional model and modifying the three dimensional model based upon the module deployment data.