When your clothes dry more slowly than usual, it's one of the most obvious symptoms that your dryer vent is clogged. Your clothing will dry more slowly when the dryer vent is blocked because the dryer's hot air cannot exit. It's never a good sign if your dryer is emitting a burning scent. It can mean that dust or other material has gathered in the dryer vent, causing it to overheat. To learn more visit the blog post about how do I know if my dryer vent is clogged.