How can I keep my room cool? I have a PC that is toasting the hell out of the air in my room and for some reason people keep telling me that keeping the door and windows open won't help. It is noticeably cooler in every other part of the house, with the huge temperature difference able to be felt just by crossing the threshold into my room. I have a ceiling fan and a huge plug-in fan going at all times to keep air circulating. I have a vent that pushes in cool air but no vent that takes the air out of the room, which is why I thought leaving the door open would help the hot air slip back into circulation instead of being choked into my room. Or maybe that's not how air conditioning works... I wasn't sure.