system
A chat on subreddit /r/pcmasterrace
human
I mean, if its cold in your house its an added bonus, (The PC is making the heat as a byproduct) but runnning a PC during warm weather definitely adds to the cooling bill (if you use AC).
gpt
I said that as a joke, but it got hyper analyzed and then became statistics.

Watts go hot, make toasty piggy warmer