Most people know they should clean the lint screen after every load. It’s one of those small chores that becomes automatic. But the lint screen isn’t the only place where lint collects.
Over time, tiny bits of lint, pet hair, dust, and fabric fibers can slip through the screen and settle inside the lint trap housing and dryer vent. Since these areas are mostly out of sight, they can go months or even years without being cleaned.
That buildup can restrict airflow and make your dryer work harder. Clothes may take longer to dry, your energy use can increase, and the appliance can run hotter than it should. A dryer that suddenly needs two or three cycles to dry a normal load, feels unusually hot, or gives off a burning smell deserves some attention.

Why the Area Beneath the Lint Trap Matters
The lint screen does a good job of catching loose fibers, but it can’t catch everything. Small particles can pass through and settle inside the compartment where the screen sits.
With repeated loads, that material can build up along the sides, bottom, and deeper sections of the housing. Once airflow is restricted, moist air has a harder time leaving the dryer. That can leave clothes damp for longer and make the appliance run for extended periods.
A clean lint screen doesn’t tell you what’s happening underneath it. That’s why this hidden area deserves an occasional check.
For many households, checking the lint trap housing about twice a year is a reasonable starting point. Homes with pets, several people doing laundry, or frequent loads of towels, blankets, fleece, and other lint-heavy fabrics may need to check it more often.
Related: 14 Uses for Dryer Sheets
How to Clean the Lint Trap Housing
Before cleaning, unplug the dryer. If you have a gas dryer, shut off the gas supply as well if you’re working in an area where the appliance or gas connection could be disturbed.
Remove the lint screen and use a vacuum with a narrow crevice attachment to reach inside the housing. Work slowly and remove as much loose lint and debris as possible.
A flexible dryer lint brush can help loosen material stuck along the walls or deeper inside the compartment. After brushing, vacuum the area again to pick up the loosened debris.
Don’t force a tool into an area where it could damage wiring or other dryer components. If the housing is difficult to reach or heavily packed with lint, having a qualified appliance technician clean it may be the safer choice.
Related: I Stopped Using Dryer Sheets in the Dryer—Here’s Where I Use Them Instead
Don’t Forget the Dryer Vent
The lint trap housing isn’t the only hidden spot worth checking. Lint can also collect in the dryer vent hose and exhaust duct as it travels outside.
A restricted vent can make drying times longer and cause the dryer to run hotter. If clothes are taking much longer to dry than they used to, the dryer feels excessively hot, or the exhaust airflow outside seems weak, the vent may need attention.
Dryer vents are often cleaned every one to two years, but the right schedule depends on the dryer, vent length, household size, and how often you do laundry. Homes with heavy laundry loads may need more frequent cleaning.
Keeping the lint screen clean after every load is still one of the simplest dryer-care habits you can have. Just don’t stop there. Checking the hidden areas from time to time can help keep airflow moving and give you an early chance to spot a buildup problem.
