When a dryer isn't drying effectively—leaving clothes damp after multiple cycles—it usually comes down to an airflow restriction, a heating failure, or dirty moisture sensors.
If your dryer isn't drying, it usually comes down to a blocked vent, a bad heating element, or a confused moisture sensor. Start by checking the lint trap, inspecting your outside exhaust for proper airflow, and confirming you aren't overloading the machine with too many wet clothes.
The cost of replacing a dryer sensor or thermistor varies based on the model and brand, but typically ranges from $10 to $30 for the part itself.
To confirm if your dryer's heating element is bad, listen for a multimeter continuity beep or look for a visible break in the heating coils. A bad element is the most common reason a dryer tumbles but fails to produce heat.
If your dryer is heating but the clothes are still damp, then your vent is probably blocked. If your dryer has weak heat and runs for a long time, this could also indicate a blocked vent. And if your dryer ends after only a couple of minutes with soaking wet clothes, then your moisture sensors could be dirty.
To hard reset a dryer, power it down completely to drain the control board's capacitors. Unplug the machine or flip its dedicated circuit breaker off, wait a full 1 to 5 minutes, and then restore power. This clears minor electrical glitches and temporary error codes.
A faulty dryer moisture sensor usually causes the dryer to shut off too early (leaving clothes damp) or run endlessly. Before replacing it, you can clean the sensor bars—a thin waxy film of fabric softener is the most common cause of sensor malfunctions.
Replacing a dryer heating element costs between $100 and $350 on average. If you hire a professional, labor makes up most of the cost. The element part itself typically costs between $20 and $100 depending on your dryer's make and model.
A dryer heating element typically lasts 5 to 12 years, though many can last up to 15 years with proper care. Its lifespan heavily depends on how often you do laundry, the quality of the part, and your home's ventilation.
That said, if your clothes dryer is more than halfway through its lifespan—7 years or more—and the repair costs more than 50% of the price of a new one, you should consider replacing it. But if fixing it is less than half the cost of buying something new, a repair is probably the better option.
A clogged lint trap is one of the most common causes of poor dryer performance. Even if you clean your lint screen regularly, fine fibers can still accumulate inside the housing and reduce airflow. The Fix: Remove the lint screen and clear any visible lint.
Most dryer moisture sensors are located just inside the drum, mounted on the drum wall or built into the lint filter housing. On many models, they look like two thin metal strips—like small, flat bars—positioned where laundry brushes past them as it tumbles.
A dryer taking 2 hours to dry clothes is almost always caused by restricted airflow or a heating failure. The three biggest culprits are a clogged exhaust vent, a dirty lint screen, or an overloaded drum.
A blown thermal fuse—a critical safety mechanism that prevents appliances like clothes dryers from overheating—typically causes two main symptoms depending on the appliance: the machine will not start at all, or it runs but fails to generate any heat.
Cleaning your dryer’s moisture sensor takes just a few minutes. Residue from dryer sheets or fabric softeners often coats the metal strips, tricking the dryer into thinking clothes are already dry.
How can you tell if a thermostat is bad?
Age of the Dryer
Age is one of the strongest indicators when deciding between repair and replacement: Under 8 years old: Repairs are usually worthwhile. 8–12 years old: It depends on the repair cost and symptoms. Over 12 years old: Replacement may be more cost-effective (especially after a major failure).
If the thermostat is blown, your dryer won't heat. There will be a second thermostat or temp sensor that actually does the controlling of the heat via the main board. Thermostats don't really need to be changed when an elements goes out.
Yes, you can absolutely replace a dryer heating element yourself. It is a highly manageable DIY job that requires basic tools and typically costs between $30 and $100 for the part, saving you from a professional service bill.
The dryer motor is typically the most expensive part to replace, costing between $100 and $500 for parts and labor.
Checking if a sensor is bad involves a few standard diagnostic steps: checking for error codes, physically inspecting the wiring, and testing the sensor’s electrical output with a multimeter to verify it operates within the manufacturer's expected voltage or resistance ranges.
If your dryer isn't drying, the cause is usually restricted airflow or a heating malfunction. Check the lint screen, exhaust vent, and load size. If these are clear, inspect the heating element, thermal fuse, and moisture sensors.
The cost of a replacement moisture sensor varies by model but typically ranges from $10 to $30.