Sorry for being blunt but you have to slow down and read. There is a lot of information to be learned here on maast.

The egg crate is doing nothing for your heat problem. Only thing it is doing is keeping your fish in the tank and all other stuff out of your tank.


Putting the tank next to the patio door will raise the temp of the tank.

When asked if you had fans it was meant to you have fans blowing across the water surface to help keep the tank cool. Fans in an Aquarium are called powerheads.

Cheap timers will do for your lights. Can get them at target or walmart.

Hang on back over flows can lose siphon and water from your sump will fill the tank and over flow the tank. Better to have tank drilled and have a calfo or buy a reef ready tank. Reef ready is a tank that comes with over flows installed already.