Why Is My Dryer Not Drying?

This is the most common dryer complaint we take and the one most often solved without a part. Work down the page in order: the first three checks are free, take about five minutes together, and settle the majority of cases.

How a Dryer Actually Dries

Heat is only half the job. A dryer works by drawing room air in, heating it, passing it through the tumbling load where it picks up moisture, and then pushing that wet air out of the house. Every part of that sentence matters, because the machine can be making perfect heat and still fail completely if the air cannot leave.

That is why the complaint on this page almost never means a broken heating element. An element that has failed gives you cold clothes; a duct that has closed up gives you hot, damp ones. If yours are hot and damp, look at the air path first, every time.

The Three Free Checks

1. The outside hood

Run the dryer on high heat and hold a hand at the outside vent termination. You should feel a strong, warm push of air. Weak air, or barely any, means the duct is restricted somewhere between the machine and the wall. No internal part will fix that, and fitting one is money wasted.

While you are there, check the flap opens. Hood flaps stick shut with lint, get painted closed during exterior work, and are a favourite nesting site for birds.

2. The lint screen water test

A screen that looks clean can be sealed by an invisible film left behind by dryer sheets and liquid softener. Take the screen out and pour water onto it over a sink. Water should run straight through. If it beads and sits, the mesh is blocked, and the machine has been trying to breathe through it for months. Wash it with warm water and a little detergent, scrub gently with a soft brush, dry it and refit.

3. The transition hose behind the machine

Pull the dryer forward and look at the hose between the machine and the wall. It is crushed against the wall more often than any other part of the duct system, and a machine pushed hard back into an alcove can flatten that hose to a fraction of its diameter. Flexible plastic and foil versions also sag and hold lint in the sag. Rigid or semi-rigid metal, with the shortest possible run, is the fix.

If the Air Path Is Clear

The Moisture Sensor Nobody Cleans

Most modern dryers have two metal strips inside the drum, usually just inside the door opening. Wet clothes touching both strips complete a circuit, and the machine keeps running until the readings say the load is dry. Softener and dryer-sheet residue coats those strips over time, insulating them, so the machine reads a wet load as dry and shuts down early.

The tell is specific: automatic cycles finish with damp clothes while a timed cycle dries the same load perfectly. If that is your pattern, clean the bars with a little rubbing alcohol on a cloth and run a load. It is a two-minute job and it fixes a surprising share of the calls we get about poor drying.

Duct Design, Not Just Duct Cleaning

Some machines never dried properly from the day they were installed, and no amount of cleaning changes that. Three design faults account for most of it.

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• Too long a run. Every appliance has a maximum equivalent duct length in its manual, and long runs in newer houses frequently exceed it
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• Too many bends. Each elbow costs the equivalent of several feet of straight duct, so three or four turns can eat the entire allowance
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• The wrong material. Flexible plastic duct sags between supports, and every sag becomes a lint trap. Its published life expectancy is five years against twenty for steel
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A rooftop termination adds a further complication, because it is the hardest run to inspect and the easiest to forget. If your dryer has always been slow rather than becoming slow, the run itself is the first suspect, and shortening or rerouting it is a permanent fix rather than an annual chore.

Load Habits That Look Like Faults

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• Overloading. A drum packed to the top tumbles as one mass and the air never passes through the middle. Run a half load as a test: if that dries normally, the machine is fine
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• One heavy item alone. A single bath sheet or a duvet holds water in folds that never open, and no dryer solves that
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• Mixing weights. Towels with shirts means the shirts are done long before the towels, and the sensor reads the average
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• Clothes going in soaking. If the washer is not spinning properly the dryer is being asked to do the washer’s job, and that is a washer fault: see a washer that will not spin
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• An unheated garage or laundry room in winter. Cold intake air carries less moisture and lengthens every cycle
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What the Repairs Cost

Where the answer turns out to be the duct or the load rather than a component, the visit ends with the air path cleared and the machine drying in one cycle again, which is the outcome you actually wanted. The full price breakdown by part is in the dryer repair cost database.

Why This Matters Beyond the Laundry

Poor drying is not only an inconvenience. A restricted duct means the heat path runs hotter than designed, which is how thermal fuses blow, elements fail early and terminal blocks burn. It is also the condition behind clothes-dryer fires, because lint accumulates precisely where the air has slowed down.

So the two-cycle complaint is worth treating as an early warning rather than a nuisance. Cleared at that stage it costs a duct clean; ignored, it becomes a heat-path repair and, eventually, a genuine risk. Our Florida guide to what a clogged vent actually risks covers the safety side, and how long dryers last shows what airflow does to the life of the machine.

How Long a Cycle Should Actually Take

People often ask whether their machine is slow or whether they simply expect too much, so here is the honest yardstick. A normal mixed load in a vented dryer with a clear, short duct should be dry in roughly 40 to 50 minutes. Towels and heavy cotton run longer, an hour or more. Bedding is slower again, because it traps air and water in folds.

Two things move that figure legitimately. Ventless heat-pump machines are slower by design, often 90 minutes or more for the same load, and that is not a fault: they dry at lower temperatures and recover the moisture through a condenser instead of pushing it outside. And any dryer fed by cold intake air, in an unheated garage in winter, will take longer than the same machine in a warm laundry room.

What is not normal is a load that used to take 45 minutes now taking 90. That change over time is the signal, regardless of what the absolute number is, and it almost always means the air path has been closing up gradually while nobody noticed.

What a Poor-Drying Diagnosis Covers

So you can judge the visit, this is the sequence we run when the complaint is damp clothes rather than no heat.

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• Exhaust temperature and airflow measured, not guessed, at the machine and at the termination
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• The transition hose inspected behind the appliance, which is where a third of these faults live
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• The lint screen tested with water, and the screen housing checked for lint that has bypassed it
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• The blower wheel checked for damage, imbalance and a loose hub, all of which cut airflow without any duct blockage
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• Moisture sensor bars cleaned and tested with a wet cloth to confirm the machine responds
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• The heat path verified: element or burner, cycling thermostat and high limit, because partial heat gives partial drying
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• A full test cycle run with a real load, so the fix is proved rather than assumed
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If the outcome is that the duct needs work rather than the dryer, we say so. That is a cheaper answer for you and an honest one, and it is the only version of this repair that lasts.

If the machine has stopped starting altogether rather than merely drying badly, see dryer not turning on.

Frequently Asked Questions