Why Is My Dryer Taking Too Long? Top Causes

If your dryer used to finish a load in 45 minutes and now it takes 90, something has changed — and it's almost certainly not your clothes. A dryer that runs long isn't just inconvenient; it's running your electricity bill up and, in some cases, creating a real fire risk. Here's what's behind the most common slow-dryer complaints we see across the Bay Area.

The most common culprit is a clogged exhaust vent. Your dryer pushes hot, moist air out through the vent duct every cycle. Over time, lint accumulates in that duct — especially at bends and joints — restricting airflow. When the exhaust is blocked, the dryer can't release moisture efficiently, so clothes stay damp. A clogged vent is also the leading cause of dryer fires in the US, so this is one you really don't want to ignore. We recommend having your dryer vent cleaned every 1–2 years, or any time you notice drying times increasing.

If the vent is clear, the next likely suspect is the heating element (on electric dryers) or the igniter (on gas dryers). A partially failed heating element can still produce some heat — just not enough to dry clothes efficiently. You'll often notice clothes are warm but still damp at the end of a cycle. A technician can test the element in minutes and replace it same day.

The thermal fuse is another common cause. It's a small safety device designed to blow if the dryer overheats — protecting the machine from damage. Once it blows, the dryer runs but produces little or no heat. Replacing the thermal fuse is inexpensive, but it's worth also diagnosing why it blew in the first place (usually a blocked vent) so the problem doesn't recur.

On some machines, a failing moisture sensor can cause the dryer to run longer than necessary. The sensor tells the dryer when the load is dry enough to stop — if it's coated with dryer sheet residue or is malfunctioning, the dryer may run well past when it should stop. Cleaning or replacing the sensor is typically a quick fix.

If your dryer is more than 10–12 years old and taking too long, it may simply be reaching the end of its efficient service life. Our technicians will give you an honest assessment — if a repair doesn't make economic sense compared to a new unit, we'll tell you. But in most cases, a slow dryer is a fixable problem, not a replacement situation.