Your ductwork may seem a bit mysterious to you. The only time you ever see the inside of ductwork is when someone crawls through it in a movie, and those tend to be commercial ducts… and movies are made for entertainment value, not HVAC accuracy. So how do you know what’s happening inside your ducts? How would you know if there’s a problem?
Here are some things to keep an eye out for that can signal that you need to have your ducts checked and possibly repaired.