There are quite a few renumbering add-ins available for Revit. This free little package from CTC includes a tool to renumber both Rooms and Doors…
Room and Door Renumber for Revit 2013 – CTC
via
Revittize
Sequence numbering on doors numbers doors independently. The tool remembers the previous door’s number and will maintain the proper sequence on subsequent doors.
More info:
Revit Renumbering Video Tutorial – 2:00 Revit Renumbering Product Information
Revit Renumbering available on Autodesk Exchange:
http://apps.exchange.autodesk.com/RVT/2013/en/Detail/Index?id=appstore.exchange.autodesk.com%3arevitrenumbering%3aen
You can also get Imaginit Room Renumber on Exchange at:
Autodesk Exchange Apps
