The Revit MEP portion of the Revit API provides read and write access to HVAC and Piping data in a Revit model including:
- Traversing ducts, pipes, fittings, and connectors in a system
- Adding, removing, and changing ducts, pipes, and other equipment
- Getting and setting system properties
- Determining if the system is well-connected
- Access to Mechanical Settings
- Managing Routing Preferences