[EnergyPlus_Support] Air infiltration due to natural leakages

["marcel.jekel" <jekel.marcel@xxxxxxxxx>]

Hi,

I am a beginner on EnergyPlus and am trying to model a small house with an infiltration rate due to natural leakages of 0.5 air changes per hour (ACH).
I have set up the following in the idf file:
> ZoneInfiltration:DesignFlowRate,
>     Air_Leakage,             !- Name
>     ZONE ONE,                !- Zone Name
>     Constant,                !- Schedule Name
>     AirChanges/Hour,         !- Design Flow Rate Calculation Method
>     ,                        !- Design Flow Rate {m3/s}
>     ,                        !- Flow per Zone Floor Area {m3/s-m2}
>     ,                        !- Flow per Exterior Surface Area {m3/s-m2}
>     0.5,                     !- Air Changes per Hour
>     1,                       !- Constant Term Coefficient
>     ,                        !- Temperature Term Coefficient
>     ,                        !- Velocity Term Coefficient
>     ;                        !- Velocity Squared Term Coefficient
Where the "Constant" schedule was obtained from the "schedules" data set.

I have looked at the results of the simulation with the above in place (there are no warnings), but it seems that the room remains too warm. I am aware that 0.5ACH is not much but I am suspicious that this is not being recognised. Have I correctly

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