my temp didnt change much

i was running my carbon filter and fan combo off the grow box floor i was advised to mount it above the light i did this now its a steady 84.1 F with doors shut will this be too hot added the pic of how it was before now i mounted the filter and fna above the light and i got it all sealed. i mounted the filter lenght wise just like the light only above it

You haven't really provided much info here to help you out. What were your temperatures before? How exactly is the fan mounted? Is it drawing hot air near the light and then pushing it out a sealed exhaust hole? What size is your room? What size is the light? What kind of fan and what is the CFM rating if known?

Just saying that "my temperatures didn't change much" is non constructive.

84 degrees is at the upper limit try to get it lower , never operate at the max limits