IFC 4.3.2.20240128 (IFC4X3_ADD2) under development

6.2.4.27 Pset_ThermalLoad

6.2.4.27.1 Semantic definition

Properties for thermal loads of elements.

6.2.4.27.2 Applicable entities

6.2.4.27.3 Properties

Name Property Type Data Type Description
OccupancyDiversity IfcPropertySingleValue IfcPositiveRatioMeasure

Diversity factor that may be applied to the number of people in the space.

LightingDiversity IfcPropertySingleValue IfcPositiveRatioMeasure

Lighting diversity.

ApplianceDiversity IfcPropertySingleValue IfcPositiveRatioMeasure

Diversity of appliance load.

OutsideAirPerPerson IfcPropertySingleValue IfcVolumetricFlowRateMeasure

Design quantity of outside air to be provided per person in the space.

ReceptacleLoadIntensity IfcPropertySingleValue IfcHeatFluxDensityMeasure

Average power use intensity of appliances and other non-HVAC equipment in the space per unit area.(PowerMeasure/IfcAreaMeasure).

AppliancePercentLoadToRadiant IfcPropertySingleValue IfcPositiveRatioMeasure

Percent of sensible load to radiant heat.

LightingLoadIntensity IfcPropertySingleValue IfcHeatFluxDensityMeasure

Average lighting load intensity in the space per unit area (PowerMeasure/IfcAreaMeasure).

LightingPercentLoadToReturnAir IfcPropertySingleValue IfcPositiveRatioMeasure

Percent of lighting load to the return air plenum.

TotalCoolingLoad IfcPropertySingleValue IfcPowerMeasure

The peak total cooling load for the building, zone or space.

TotalHeatingLoad IfcPropertySingleValue IfcPowerMeasure

The peak total heating load for the building, zone or space.

InfiltrationDiversitySummer IfcPropertySingleValue IfcPositiveRatioMeasure

Diversity factor for Summer infiltration.

InfiltrationDiversityWinter IfcPropertySingleValue IfcPositiveRatioMeasure

Diversity factor for Winter infiltration.

LoadSafetyFactor IfcPropertySingleValue IfcPositiveRatioMeasure

Load safety factor.

Table 6.2.4.27.A

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6.2.4.27.4 Changelog

6.2.4.27.4.1 IFC4.3_DEV_70ee25e8

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