Revit 2021.1 APISpecTypeId MembersSpecTypeId Class Properties See Also The SpecTypeId type exposes the following members.Properties NameDescriptionAccelerationAirFlowAirFlowDensityAirFlowDividedByCoolingLoadAirFlowDividedByVolumeAngleAngularSpeedApparentPowerAreaAreaDividedByCoolingLoadAreaDividedByHeatingLoadAreaForceAreaForceScaleAreaSpringCoefficientBarDiameterCableTraySizeColorTemperatureConduitSizeCoolingLoadCoolingLoadDividedByAreaCoolingLoadDividedByVolumeCostPerAreaCostRateEnergyCostRatePowerCrackWidthCrossSectionCurrencyCurrentCustomDecimalSheetLengthDemandFactorDiffusivityDisplacementDistanceDuctInsulationThicknessDuctLiningThicknessDuctSizeEfficacyElectricalFrequencyElectricalPotentialElectricalPowerElectricalPowerDensityElectricalResistivityElectricalTemperatureElectricalTemperatureDifferenceEnergyFactorFlowFlowPerPowerForceForceScaleHeatGainHeatingLoadHeatingLoadDividedByAreaHeatingLoadDividedByVolumeHeatTransferCoefficientHvacDensityHvacEnergyHvacFrictionHvacMassPerTimeHvacPowerHvacPowerDensityHvacPressureHvacRoughnessHvacSlopeHvacTemperatureHvacTemperatureDifferenceHvacVelocityHvacViscosityIlluminanceIsothermalMoistureCapacityLengthLinearForceLinearForceScaleLinearMomentLinearMomentScaleLineSpringCoefficientLuminanceLuminousFluxLuminousIntensityMassMassDensityMassPerUnitAreaMassPerUnitLengthMomentMomentOfInertiaMomentScaleNumberPeriodPermeabilityPipeDimensionPipeInsulationThicknessPipeMassPerUnitLengthPipeSizePipingDensityPipingFrictionPipingMassPipingMassPerTimePipingPressurePipingRoughnessPipingSlopePipingTemperaturePipingTemperatureDifferencePipingVelocityPipingViscosityPipingVolumePointSpringCoefficientPowerPerFlowPowerPerLengthPulsationReinforcementAreaReinforcementAreaPerUnitLengthReinforcementCoverReinforcementLengthReinforcementSpacingReinforcementVolumeRotationRotationalLineSpringCoefficientRotationalPointSpringCoefficientRotationAngleSectionAreaSectionDimensionSectionModulusSectionPropertySheetLengthSiteAngleSlopeSpecificHeatSpecificHeatOfVaporizationSpeedStationingStationingIntervalStressStructuralFrequencyStructuralVelocitySurfaceAreaPerUnitLengthThermalConductivityThermalExpansionCoefficientThermalGradientCoefficientForMoistureCapacityThermalMassThermalResistanceTimeUnitWeightVolumeWarpingConstantWattageWeightWeightPerUnitLengthWireDiameterSee AlsoSpecTypeId ClassAutodesk.Revit.DB Namespace