Represents an early-stage equipment placeholder that provides heating or cooling to part of air system or water loop. 
   Namespace:   Autodesk.Revit.DB.Mechanical  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109) 
  Since:  2020.1 
Syntax
Remarks
 A zone equipment is different from physical equipment. Depending on its behavior type, it may be mapped to multiple physical equipment later.