How do you know if your dryer vent needs cleaning:
Your dryer takes much longer than a typical 45-minute cycle to dry
Clothes come out of the dryer damp
Your dryer feels very hot to the touch while running
There's a musty odor while the dryer is on You see a lot of lint accumulation outside the trap and vent.
According to the National Fire Protection Association, approximately 3,000 dryers catch fire each year. About one-third of those fires are caused by failing to clean your clothes dryer, leading to clogged dryer vents. These fires cause an estimated $237 million in property damage yearly.