If a person isn’t feeling well, they can tell you in words. “I’m not doing so great. This is where it hurts.” But your air conditioner can’t do that. Similar to people, your air conditioner is likely to make unhappy noises when there’s a problem. But what do those noises mean? If you have an idea of what a strange air conditioner noise might mean, you’re more likely to take it seriously. Here are 3 noises you don’t want to hear!