Why a Dryer Runs But Doesn't Heat

The drum motor and the heating circuit are two separate systems in a dryer. That's why a Whirlpool dryer can tumble normally, sound like it's working, and still blow only room-temperature air, the motor is fine, but something upstream is cutting power or airflow to the heating element or gas igniter specifically.

5 Things to Check Before Calling for Repair

  1. Check the circuit breaker (electric dryers). Electric dryers run on 240V using two breakers, or one double-pole breaker. If only one side has tripped, the dryer will still power on and tumble, but the heating element won't get enough voltage to work. Check your panel for a breaker that's tripped or sitting in a middle position.
  2. Check for a clogged vent. A restricted exhaust vent is one of the most common causes of no-heat problems, it causes the dryer to overheat internally, which trips a safety cutoff before you'd even notice the vent itself is the problem. Clear lint from the vent hose and the outside exhaust cap.
  3. Check the thermal fuse. This is a one-time safety fuse that blows if the dryer overheats, usually because of the vent issue above. Once blown, it does not reset itself and must be replaced, it's a small, inexpensive part but can be tricky to access depending on the model.
  4. Check the igniter (gas dryers) or heating element (electric dryers). On a gas dryer, the igniter should glow bright orange for several seconds before the gas valve opens, a weak or dark igniter won't ignite the gas. On an electric dryer, the heating coil can simply burn out over time like any heating element.
  5. Check the cycling thermostat. This regulates temperature during the cycle and can fail in a way that cuts power to the heating circuit entirely, even though everything else still runs normally.

When It's Time to Call a Technician

Don't go further than the breaker and vent checks yourself. Diagnosing or replacing a thermal fuse, heating element, igniter, or thermostat means opening the dryer's cabinet and testing components with a multimeter, worth having a technician handle once the easy checks are ruled out.

If the breaker looks fine and the vent is clear but it's still not heating, that points to a failed part inside the unit rather than something you can fix from the outside. At that point, a technician can test each component directly rather than guessing which one failed.

Frequently Asked Questions

Why does my Whirlpool dryer tumble but not heat?

Tumbling and heating are separate systems, so this almost always points to a tripped breaker, a blown thermal fuse, a clogged vent, a failed heating element or igniter, or a faulty thermostat, rather than a problem with the motor itself.

How do I know if my dryer's thermal fuse is blown?

The clearest sign is no heat at all combined with a clear vent and a working breaker. Confirming it requires testing the fuse with a multimeter, which is usually part of a technician's diagnosis.

Can I replace a dryer heating element myself?

It's possible on some models, but it involves disconnecting power, opening the cabinet, and correctly identifying and testing the right component, a misdiagnosis means paying for a part that wasn't actually the problem.

How much does it cost to fix a dryer that's not heating?

It depends on the part, a thermal fuse is inexpensive, while a heating element or igniter costs more in parts and labor. See our full appliance repair cost guide for typical dryer repair ranges.