Share Email Facebook Twitter LinkedIn DisciplineTypeId.Hvac Property HVAC. Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0) Syntax C# public static ForgeTypeId Hvac { get; }Property ValueForgeTypeId See AlsoReferenceDisciplineTypeId ClassAutodesk.Revit.DB Namespace