SWIM lives in florida also, but this time of year the AC is on and windows are closed.
Also, i keep my snake in my room, I am in my room a lot, but i NEVER watch TV and i only use headphones on my computer, I do however use a ceiling fan almost always (Being in hot and humid florida) I wouldn't think the slight hum of the fan would bother him, but what say you? I keep foil over my snakes cage to keep in humidity and heat that would otherwise be dispersed by the fan.