I want to know the meaning of "Why would anybody want" what does would mean here does it mean " Why did anybody want" ? if the question is about the guy who's chasing them why the woman used anybody instead of this guy ?
Context: A woman and a man are chased by a another man inside a house,(This man set traps inside the house.)They're trying to get out without him seeing them, They enter enter a room, the woman finds a machine that makes air cool Turned On she says: "I don't get it.. why would anybody want to make this place any cooler? it's freezing" and the man with her responds : "God only knows what goes on inside this guy's head."