The answer to 'dryer vent dirty' is that a dirty dryer vent is a common problem that can lead to reduced airflow, increased drying times, and even potential fire hazards. Common causes include lint buildup, bird nests, or other debris blocking the vent. Symptoms may include longer drying cycles, clothes that feel hotter than normal, or noticeable lint accumulation around the vent.
The solution is to regularly clean and maintain the dryer vent. This is a task that can often be done DIY, but may require a professional if the vent is difficult to access or the blockage is severe. Homeowners should check and clean the vent at least once a year, or more frequently if they notice any issues.