I'm glad I found you guys, cause I have been looking for a certain stony fic for ages! I hope you can help.
Steve is living in the tower and has problems with the cold since being frozen. He hardly ever sleeps in his room and eventually we find out that someone has hacked the computer in his room and is messing with the temp and making him hear voices. He thinks he's going crazy but it's really caused by a guy looking for revenge. Also, tony overhauls Steve's suit to make it keep him warm.