Last updated: September 2026
Why Is My Dryer Taking Too Long to Dry?
If a load that used to take one cycle now takes two, the dryer usually isn't broken — the vent is usually the problem.
The Most Common Cause: A Restricted Vent
Lint builds up gradually inside the vent run, not just in the lint trap. Once it narrows the airflow enough, the dryer has to run longer and hotter to push the same amount of moist air out.
Why This Matters Beyond Drying Time
A restricted dryer vent isn't just an inconvenience — lint is highly flammable, and a clogged vent is one of the more common causes of house fires. Slow drying is often the first noticeable symptom of a real fire-safety issue.
Other Possible Causes Worth Ruling Out
An overloaded lint trap you forgot to clean, an overloaded load size, or a vent hose that's crushed or kinked behind the dryer can all cause the same symptom and are worth checking first since they're free to rule out.
When to Call for a Vent Cleaning
If you've cleaned the lint trap and checked for an obvious kink and it's still taking two cycles, the vent run itself — which isn't something you can fully inspect yourself — is the next place to look.
Think you might need dryer vent cleaning? Learn more about our Dryer Vent Cleaning service.
Frequently Asked Questions
How often should a dryer vent be cleaned?
Most homes do well with an annual cleaning. Longer or more bent vent runs, common when the dryer isn't on an exterior wall, may need it more often.
Can I clean the dryer vent myself?
You can clear what's reachable by pulling the dryer out, but the full run to the exterior vent hood often isn't reachable without the right tools, which is where most of the real buildup tends to be.