Interior windows solar heat gains

[Erikbeeren]

Hi @Julioamodia89

Have a look here:

No solar gains through interior window

Hi Iason, Your file runs fine and if you look at surface results you will see the solar gain through the window is there (attached!): [image] The confusion happens since solarGain output on zone results is actually “Zone Windows Total Transmitted Solar Radiation Energy” output in EnergyPlus. If you check EnergyPlus InputOutputReference you can see the definition below: Zone Windows Total Transmitted Solar Radiation Energy [J] The total Surface Window Transmitted Solar Radiation Rate of all t…