7. A computing device for determining a heating, ventilation, and air conditioning (HVAC) model for a building, comprising: a user interface configured to receive a description of an HVAC system of the building from a user, wherein the description of the HVAC system of the building includes a chain of equipment that connects components of the HVAC system of the building; a building independent HVAC meta-model; a memory; and a processor configured to execute executable instructions stored in the memory to: automatically derive a predictive HVAC model for the building based on the description of the HVAC system of the building and the building independent HVAC meta-model; and use the predictive HVAC model for the building to control the HVAC system of the building based on predicted operating conditions of the components of the HVAC system, wherein the predicted operating conditions include a predicted water temperature, a predicted water velocity, and a predicted water pressure of a chiller of the HVAC system.
7. A computing device for determining a heating, ventilation, and air conditioning (HVAC) model for a building, comprising: a user interface configured to receive a description of an HVAC system of the building from a user, wherein the description of the HVAC system of the building includes a chain of equipment that connects components of the HVAC system of the building; a building independent HVAC meta-model; a memory; and a processor configured to execute executable instructions stored in the memory to: automatically derive a predictive HVAC model for the building based on the description of the HVAC system of the building and the building independent HVAC meta-model; and use the predictive HVAC model for the building to control the HVAC system of the building based on predicted operating conditions of the components of the HVAC system, wherein the predicted operating conditions include a predicted water temperature, a predicted water velocity, and a predicted water pressure of a chiller of the HVAC system. 8. The computing device of claim 7 , wherein the description of the HVAC system of the building includes a number of connected nodes, wherein each node represents a different component of the HVAC system of the building.