Dryer vent cleaning is an important task that should not be overlooked, especially in a city like Miami where the humidity levels are high. A clogged dryer vent can not only cause your dryer to work less efficiently, but it can also be a fire hazard. Dryer vent cleaning is an important task that should not be overlooked, especially in a city like Miami where the humidity levels are high. A clogged dryer vent can not only cause your dryer to work less efficiently, but it can also be a fire hazard.