Louvres Shading

[efarefar]

I am working on a building with horizontal louvres.
When I run the suncast I can see that there is a difference in percentage of solar insolation on the surfaces between the ones with louvres and the ones without louvres.
However, I do not see any difference in the the results from thermal simulation (even when suncast link is checked)

Is there anything else I need to check to be able to see a difference? Thanks!