I have blackout curtains in my office covering two south facing windows (in FL). They block a good bit of heat, but it still gets warm. I mostly just wear short

I have blackout curtains in my office covering two south facing windows (in FL). They block a good bit of heat, but it still gets warm. I mostly just wear shorts and deal with it as I really don't want to run the AC down too low (keep it at 80 while I'm home alone; 76 when the family gets home).