A dryer that runs too hot, shuts off mid-cycle, or leaves clothes painfully hot is usually struggling to move hot air out. Restricted airflow is also a documented dryer fire risk, so treat overheating as a safety problem.
This applies to electric and gas dryers from Whirlpool, Maytag, GE, Kenmore, Bosch, and other major brands.
Does this affect you?
Use this if the dryer smells hot, clothes come out too hot to touch, the cabinet feels unusually warm, or the machine shuts down from heat.
Safety first
- Stop using the dryer if you smell burning or see scorched lint.
- Unplug an electric dryer before moving it or disconnecting the vent.
- For gas dryers, do not disconnect or adjust the gas line yourself.
- Never run a dryer with the lint screen removed.
- Never run a dryer with the vent hose disconnected just to finish a load.
- Let an overheated dryer cool at least 30 minutes before touching the drum, vent, or duct.
Clean the lint screen and exhaust vent
- Clean the lint screen before every load.
- Pull the dryer away from the wall with power disconnected.
- Disconnect the exhaust hose from the back.
- Check for lint buildup, crushed hose, kinks, or sagging foil or plastic duct.
- Check the exterior vent hood for lint, debris, nests, or a stuck flap.
- Reconnect the vent without crushing it when pushing the dryer back.
- Run a test cycle and confirm heat and airflow improve.
Check load size, thermostat, and thermal fuse
- Run a smaller load to see whether overloading was restricting airflow inside the drum.
- If the dryer always shuts off at about the same time, a thermal fuse or high-limit thermostat may be tripping.
- If it stops heating after an overheat event, a thermal fuse may have blown.
- A cycling thermostat can fail and let the dryer run too hot.
- On gas dryers, burner-related overheating or burning smells need a technician.
Thermal fuses and thermostats are fire-safety parts inside the cabinet. Do not bypass a thermal fuse. A technician should replace the failed part and confirm why it failed, usually by measuring airflow and checking the vent path.
Long vent runs and multiple bends can restrict airflow even when clean. If overheating returns, have the vent length, bends, and routing assessed. Clean the full duct at least once a year, and more often for heavy laundry use, pet bedding, or long duct runs.
Sources
- U.S. Fire Administration – Home Clothes Dryer Fire Safety Outreach Materials (2025)
- Whirlpool – Dryer Overheating or Shutting Off (2025)
- GE Appliances – Dryer Runs Hot or Shuts Off Automatically (2024)