Revit 2026 API
DuctIs |
Checks if given type is valid HVAC system type.
Namespace: Autodesk.Revit.DB.Mechanical
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.0.4.0 (26.0.4.0)
Syntax
public static bool IsHvacSystemTypeId( Document document, ElementId systemTypeId )
Public Shared Function IsHvacSystemTypeId ( document As Document, systemTypeId As ElementId ) As Boolean
public: static bool IsHvacSystemTypeId( Document^ document, ElementId^ systemTypeId )
static member IsHvacSystemTypeId : document : Document * systemTypeId : ElementId -> bool
Parameters
Return Value
BooleanTrue if the given systemTypeId is the HVAC system type, false otherwise.

Exception | Condition |
---|---|
ArgumentNullException | A non-optional argument was null |
See Also