<human>:  What is the most efficient way to clean a clothes dryer vent?
<bot>: The most efficient way to clean a clothes dryer vent is to use a vacuum cleaner or a damp cloth. Be sure to remove any lint or other debris from the outside vent as well. If you are unable to reach the vent, you may need to hire a professional to do the job. Additionally, make sure you regularly check the vent for any signs of clogs or other damage.