medic8r, the reciever and the DVR box can get pretty hot which is why they are both alone on there own rack. there is about 6 inches of space above the reciever and about 2 inches on the side. the dvr has about 3 inches of space above it and 2 on the side. if i have the system on for long peroids of time i will keep the glass doors open. for regular use though it should be fine. there are 4 cord holes on the back that give it a little room to breath. i also made one of the holes about 2 inches bigger.
I have Time Warner Digital Cable.
