Autodesk.Revit.DB.Mechanical

Name	Return Type	Description
C AirSystemData	None	Represents the data and parameter of analytical air system.
C Duct	None	A duct in the Autodesk Revit MEP product.
C DuctFittingAndAccessoryConnectorData	None	The input data used by external servers for calculation of the duct fitting and duct accessory coefficient.
C DuctFittingAndAccessoryData	None	The input data used by external servers for calculation of the duct fitting and duct accessory coefficient.
C DuctFittingAndAccessoryPressureDropData	None	The input and output data used by external servers for calculation of the duct fitting and duct accessory pressure drop.
C DuctFittingAndAccessoryPressureDropItem	None	A flow path of the duct/pipe fitting and accessory. It is defined by the begin connector and end connector.
C DuctInsulation	None	Represents insulation applied to the outside of a given duct , fitting or accessory.
C DuctInsulationType	None	This class represents a duct insulation type in Autodesk Revit.
C DuctLining	None	Represents Lining applied to the inside of a given duct, fitting or accessory.
C DuctLiningType	None	This class represents a duct lining type in Autodesk Revit.
C DuctPressureDropData	None	The input and output data used by external servers for calculation of the duct pressure drop.
C DuctSettings	None	The duct setting class.
C DuctSizeIterator	None	An iterator to a set of MEP duct sizes from DuctSizes.
C DuctSizes	None	Class RbsDuctSizes being used to store the duct sizes
C DuctSizeSettingIterator	None	An iterator to a set of items from DuctSizeSettings. Each item is a KeyValuePair(DuctShape::Enum, DuctSizes).
C DuctSizeSettings	None	Duct sizes settings
C DuctType	None	A duct type element.
C FlexDuct	None	A flex duct in the Autodesk Revit MEP product.
C FlexDuctType	None	A flex duct type in the Autodesk Revit MEP product.
C HVACZoneData	None	Represents the specific domain requirements for a system-zone upgraded from an HVAC zone.
C MechanicalEquipment	None	Provides access to the Mechanical Equipment in Autodesk Revit MEP.
C MechanicalEquipmentSet	None	A set of interrelated mechanical equipment in a MEP system that works together.
C MechanicalEquipmentSetType	None	Represents a type for a set of interrelated mechanical equipment in a MEP system that works together.
C MechanicalFitting	None	A mechanical fitting in the Autodesk Revit MEP product.
C MechanicalSystem	None	A mechanical system element.
C MechanicalSystemType	None	Base class for duct system types
C MechanicalUtils	None	General utility methods in the Autodesk Revit MEP product.
C MEPAnalyticalSystem	None	Represents an analytical system where the air or water is circulated to satisfy building energy requirements.
C MEPBuildingConstruction	None	Construction definition for Project Information.
C MEPBuildingConstructionSet	None	A set that contains MEPBuildingConstructions.
C MEPBuildingConstructionSetIterator	None	An iterator to a MEPBuildingConstruction set.
C MEPHiddenLineSettings	None	Represents the settings contained in the document associated to the MEP hidden line display.
C MEPSection	None	A section in the Autodesk Revit MEP product.
C MEPSpaceConstruction	None	Construction definition for Space.
C Space	None	Provides access to the space topology in Autodesk Revit.
C SpaceFilter	None	A filter used to match spaces.
C SpaceSet	None	A set that can contain any type of object.
C SpaceSetIterator	None	An iterator to a set.
C SpaceTag	None	Provides access to the space tag in Autodesk Revit.
C SpaceTagFilter	None	A filter used to match space tags.
C SpaceTagType	None	An object that represents a Space Tag style.
C SystemZoneData	None	Represents the specific domain requirements for a system-zone used in MEP design.
C SystemZoneElementType	None	Represents an element type for a system-zone element.
C WaterLoopData	None	Represents the data and parameters of analytical water loop.
C Zone	None	A zone is a collection of one or more spaces.
C ZoneElementDomainData	None	A base class for specific domain requirements for a zone.
C ZoneEquipment	None	Represents an early-stage equipment placeholder that provides heating or cooling to part of air system or water loop.
C ZoneEquipmentData	None	Represents the data and parameters of analytical zone equipment.

Name	Return Type	Description
E AirCoolingCoilType	None	The type of air cooling coil.
E AirFanType	None	The type of air fan.
E AirHeatExchangerType	None	The type of air loop.
E AirHeatingCoilType	None	The type of air heating coil.
E AnalyticalSystemDomain	None	The domain type of analytical system.
E ComponentClassification	None	An enumerated type lists all MEP component classification. This attribute describes the general purpose of the MEP part component, that is used for scheduling, tagging, filter, ODBC, and etc. One component classification may include more than one part type.
E ConditionType	None	An enumerated type listing all the possible condition types for a space object.
E DuctFlowConfigurationType	None	An enumerated type listing all duct flow configuration types for a connector.
E DuctLossMethodType	None	An enumerated type listing all duct loss calculation methods for a connector.
E DuctShape	None	Enumerated type listing possible shapes for ducts.
E DuctSystemType	None	An enumerated type listing all the possible duct system types for a connector object.
E EquipmentClassification	None	This enumeration is used to classify the mechanical equipment.
E OccupancyUnit	None	An enumerated type listing the occupancy unit of measure for a space object.
E ReturnAirflowType	None	An enumerated type listing all the possible return airflow types for a space object.
E RiseDropSymbol	None	This enumeration corresponds to the rise/drop symbol used in mechanical systems
E SpaceType	None	An enumerated type listing all the possible space types for a space object.
E SystemCalculationLevel	None	Enumerated type listing flags that can toggle on or off certain calculations related to MEP systems.
E WaterChillerType	None	The type of water chiller.
E WaterLoopType	None	The type of water loop.
E ZoneEquipmentBehavior	None	The behavior of zone equipment associated with spaces.
E ZoneEquipmentHvacType	None	The type of zone equipment.

Name	Return Type	Description
I IDuctFittingAndAccessoryPressureDropServer	None	Interface class for external servers implementing duct fitting and duct accessory coefficient calculation.
I IDuctPressureDropServer	None	Interface for external servers implementing duct pressure drop calculation.