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Hi Gregory,

I recommend you take a look at your output variables file (i.e. eplusout.csv), finding solar radiation values for specific areas that concern you. This will help you check your model and confirm your suspicions. You can use DView or excel to open the file. If you use OpenStudio, the ViewData measure is particularly useful for this, as it gives a 3d visual heat maps.

If it turns out your radiation is higher than you would like, you can look at mitigation measures such as decreasing the SHGC, re-orienting your windows, adding shading objects, or adding interior or exterior blinds to control the incoming radiation.