Dryer Repair Guide: Step-by-Step Instructions & Tips

A dryer not heating is usually not the expensive fix people assume it is. Before you go anywhere near the heating element, there’s a handful of cheaper, faster things worth ruling out first.

Clean the Lint Filter and Check the Vent

First thing I check every time, and it fixes more of these calls than you’d think. A clogged lint filter or a blocked vent restricts airflow. Some dryers are built to cut heat entirely as a safety measure when that happens. Pull the filter, check for buildup, then check the vent hose behind the machine for kinks or blockage.

Check the Thermal Fuse

Not the same as a regular electrical fuse. This one’s built specifically to trip if the dryer overheats, cutting power to the heating system as a safety measure. Once it trips, it stays tripped until replaced. The City of Toronto notes that lint buildup is a leading cause of dryer fires, a blown fuse usually traces back to a blocked vent rather than the fuse itself being defective. If your dryer runs, tumbles, but never gets warm, this is worth testing with a multimeter before assuming the heating element itself is dead.

Gas or Electric Changes What You’re Looking At

Electric dryers heat with a coiled heating element. Gas dryers use a burner and igniter instead, a completely different system. If you’ve got a gas dryer and it’s not heating, that’s not a job for poking around with a multimeter. Gas components need a technician, mention that specifically when you call.

Dryer Not Heating? It Might Be the Element

For electric dryers, if the filter’s clean, the vent’s clear, and the thermal fuse tests fine, the element itself is the next suspect. Signs it’s actually the element: no heat at all, a burning smell, or visible breaks and burn spots on the coil itself if you open the panel and look.

Replacing it means unplugging the dryer, pulling the back or top panel depending on your model, disconnecting the wiring, swapping the element, and reconnecting everything in the same spots. Take a photo of the wiring before you disconnect anything, it saves you from guessing during reassembly. It’s a real repair, not a five-minute job, but a manageable one if you’re comfortable with a screwdriver and a multimeter.

Still Have a Dryer Not Heating? Time to Call

Gas dryer heating issues, a thermal fuse that keeps blowing even after you’ve cleared the vent, or a heating element that’s confirmed dead but you’re not up for the disassembly, any of those are worth a call instead of fighting it yourself.

If you’re in North York or Thornhill, we handle this kind of diagnosis regularly, and you can see the full scope of what we cover on our dryer repair page. And if your dryer’s actually not spinning rather than not heating, our dryer drum not spinning guide covers that separately.