Warning Signs of Dryer Vent Clogs

Warning Signs of Dryer Vent Clogs

Dryer manufacturers recommend having your dryer vents inspected and cleaned yearly to prevent clogs from affecting the performance and safety of your clothes dryer. In between cleanings, [name] suggests watching for the most common warning signs of dryer vent clogs, including:

Excess Lint Behind Dryer

Clogged dryer vents can prevent lint from properly passing through the vent system. This issue can cause a buildup of lint behind your dryer.

Longer Dryer Time

If your clothes are not drying in one cycle this is a strong sign that there may be an obstruction in your dryer vent preventing the proper airflow needed to work efficiently.

Overheat Shut Off

When a vent line is clogged your dryer has to work harder and does not allow heat to be vented properly, causing it to overheat. Dryers that overheat typically shut off to prevent a fire. This warning should not be taken lightly; we recommend having a professional look at your system before your next load of laundry.

No Lint on Lint Screen

Lint screens should be cleaned after each drying cycle. If your screen does not accumulate lint, this is a sign that the air that carries the lint is not making it through the screen and out of the dryer because of a clogged dryer vent.

Excess Lint on Clothing

Obstructed dryer vents do not allow your dryer to properly expel lint, causing lint to accumulate on clothing during a drying cycle.

Hot Dryer & Hot Clothes

If the top of your dryer is hot to the touch, or if clothing is excessively hot after a drying cycle, it can be a warning sign that there is inadequate airflow caused by a clogged dryer vent.

Moldy Smell

Clogged vents can create a breeding ground for molds that cause unpleasant odors and health issues.


While having pets may not seem like a warning sign, pets increase the risk of lint accumulation and clogs due to pet hair combining with lint to create larger obstructions.