Electric Dryer Not Heating

An electric dryer that runs but doesn't heat is most often caused by a burnt-out heating element, which wears out after years of regular use. A tripped thermal fuse, a faulty thermostat, or a partially blown breaker can also be responsible. The drum can still tumble normally even when none of these parts are working. 

Common Causes 

• Burnt-out heating element. The heating element is the coil that actually generates heat inside the dryer. Over years of regular use, the coil can wear thin and eventually burn out, which stops heat production completely while the drum keeps spinning normally. This is one of the more common electric dryer faults simply due to how many hours the element runs over the life of the machine. 
• Tripped thermal fuse. This fuse is a safety component that cuts power to the heating element if the dryer gets too hot, usually because of restricted airflow. Once it trips, it has to be replaced, since it's designed to blow only once and won't reset on its own, unlike a circuit breaker. 
• Faulty thermostat. The thermostat monitors the internal temperature and signals the heating element to turn on and off. If it fails, it can prevent the heating cycle from starting at all, even though every other part of the dryer is working correctly and the drum tumbles as expected on schedule. 
• Blown breaker (partial power loss). Electric dryers run on 240V power delivered through two separate breaker legs. If just one leg trips, the drum motor can still run on the remaining leg while the heating element, which needs both, gets no power at all, which can be confusing since the dryer otherwise seems to work. 

When to DIY vs. Call a Pro 

You can safely check your electrical panel to confirm both breaker legs for the dryer are on, and you can clean the lint filter and vent to rule out an airflow restriction. It's also worth noting whether the dryer feels warm at all versus completely cold, since a slightly warm drum can point toward a thermostat issue while a completely cold one is more consistent with a tripped fuse or lost power leg. Testing or replacing the heating element, thermal fuse, or thermostat involves working with the dryer's internal wiring, which is a job for a technician rather than a home repair. 

FAQ 

How do I know if it's the breaker and not a part inside the dryer? 

If the drum tumbles and the dryer light and timer work normally, but there's no heat at all, checking the breaker panel is worth doing first since it takes only a minute and rules out the simplest cause before assuming a part has failed. 

Why did my dryer suddenly stop heating? 

A thermal fuse tripping is one of the more sudden causes, often triggered by a clogged vent restricting airflow just enough to overheat the fuse. A worn heating element, by contrast, tends to fail more gradually with weaker heat before stopping altogether, so a sudden total loss of heat points more toward the fuse or breaker rather than gradual element wear. 

Does a clogged vent cause heating problems? 

Yes, indirectly. Restricted airflow makes the dryer run hotter than it should, which can trip the thermal fuse as a safety response even though the heating element itself is fine, so clearing the vent is always worth doing first before assuming a part has failed. 

Will my clothes still get damp-dry with no heat at all? 

Not really. Without heat, the dryer is just tumbling clothes with room-temperature air, so damp items will stay damp no matter how long you run the cycle, and running repeated cycles just wastes electricity and time without improving results. 

Is this an expensive repair? 

It depends on the part. A thermal fuse or thermostat is usually a quick, affordable fix, while a full heating element replacement costs a bit more but is still far less than replacing the dryer entirely, so repair is almost always the better value here. 

If the breaker and vent check out, Boreal can diagnose and repair the heating fault, backed by a 90-day warranty on parts and labour.