A dryer that needs two or three cycles has almost always lost airflow, not heat. It dries by pulling warm air through the drum and pushing the moisture it picks up out of the house, so anything that restricts that path leaves the water in your clothes. Open the door at the end of a cycle and feel the load. Hot and still damp points at airflow. Cool and damp points at heat, or at the load arriving from the washer far wetter than it should be. That one observation decides everything you do next, and it costs nothing.
That split is what this article is built around, because the two branches lead to completely different places: one of them you can usually fix in an afternoon, and the other one mostly is not yours.
The test, before you move anything
Run a normal load. When the cycle ends, put your hand in immediately.
Hot clothes, still wet. The heater is working. The moist air is not leaving. That is an airflow restriction, somewhere between the lint screen and the vent hood outside your wall.
Warm clothes, dry in patches, badly overloaded feeling. Too much in the drum. The tumbling action is what exposes wet fabric to moving air, and a packed drum stops it tumbling.
Cool clothes, still wet, cycle ran full length. The heat source is the suspect. On an electric dryer that means the heating element or a thermal fuse. On a gas dryer it means the burner or the gas supply. Neither of those is a homeowner job, and this article says so again further down.
Everything soaking, as if it barely started. Look upstream at the washer before you blame the dryer at all.
Airflow: the lint screen and the film you cannot see
Start with the screen, then look past it.
GE Appliances' support guidance for a dryer that takes too long, read 2026-09-07, gives the routine plainly: "Remove and clean the lint filter each time it is used. The filter can be washed with warm soapy water to remove fabric softener residue from the screen."
That second sentence is the part most people never do, and it is the reason a screen that looks clean can still be strangling the machine. Liquid fabric softener and dryer sheets leave a residue that builds into a near-invisible film across the mesh. You can test yours in a minute: hold the screen under a running tap. Water should pass straight through. If it pools or beads on the surface, the mesh is sealed and the machine is breathing through a film. Wash it with warm soapy water, scrub it gently, dry it completely and put it back.
This is the same reasoning behind cleaning a range hood filter: a filter that has stopped passing air is no longer a filter, it is a lid.
The screen is only the first stage. Lint also settles in the housing the screen slots into and along the duct behind the machine, and clearing those is a job in its own right with its own risks. It is covered separately on this site under cleaning a dryer lint trap and the housing behind it, because "why is it slow" and "how do I clean it" are genuinely different pieces of work.
The duct, and the flap on the outside wall
If the screen is clean and the load still comes out hot and wet, the restriction is downstream.
Material matters more than people expect. GE is specific: "We recommend the use of a solid metal vent pipe 4 inch in diameter for adequate operation. 4 inch diameter flexible metal venting may be used but will increase the drying time." On the plastic kind it is blunter: "We don't recommend the use of flexible, white, plastic vent pipe. This type of vent pipe can collapse and restrict the airflow, causing lint to build up inside the dryer."
So if you have ever looked behind your dryer and seen a white plastic concertina hose, you have found a likely cause of your problem and a second problem at the same time. Do not replace it with the same thing. What your installation is allowed to use is set by your manufacturer's instructions and by local building rules, and both point at rigid metal for the permanent run.
Length and bends matter. Every elbow and every extra foot of duct is resistance the blower has to overcome. A dryer moved to a different wall, or a duct rerouted around a new stud wall, can quietly halve the airflow with no visible symptom other than the one you are reading about.
The flap outside is a real cause. GE's check is to "make sure the outside wall cap or damper is operating easily." Go outside while the dryer is running and look at the vent hood. The flap should be open and you should feel warm air moving. A flap gummed shut by lint, painted shut, blocked by a bird's nest or covered by a shrub does exactly what a blocked duct does. If you find a nest, leave it alone until you have checked what local wildlife rules apply where you live.
If a duct that has stopped moving air sounds familiar, it is the same failure as a range hood that stops extracting, and the outdoor flap is the thing both of them are most likely to have in common.
The load might be arriving too wet
The dryer gets blamed for the washer's work fairly often.
Whirlpool's own guidance on its washers, read 2026-09-07, notes that gentle cycles, including delicate and handwash, "use slow spins" and leave more water behind by design. A load spun at a low speed carries far more water into the dryer than the same load spun fast, and no dryer setting recovers that difference in one cycle.
Two things to check. First, whether the wash cycle you have started using has a lower spin speed than the one you used before. Second, whether the washer is actually completing its spin at all. If clothes come out of the washer heavy and dripping rather than damp, the problem is one appliance upstream of the one you are standing in front of.
Overloading, and what the drum is actually doing
GE's check here is one line: "There may be too many items in the dryer. Only dry one wash load at a time."
It sounds like housekeeping advice and it is really physics. Fabric dries where moving air touches it, and tumbling is what keeps presenting new surface to that air. A drum packed to the top does not tumble, it rotates as a lump. Bulky items are the worst offenders: a duvet, a mattress protector or a couple of bath sheets can wrap into a ball that stays wet in the middle through three cycles while the outside cooks.
The same trap catches people drying a full washer load in a smaller dryer, which is common where a washer and dryer were bought years apart.
Why a slow dryer is worth taking seriously
This is the part that separates a slow dryer from an ordinary appliance annoyance.
The restriction that is making your machine run twice is the same restriction that lets lint accumulate where it should not. The U.S. Fire Administration states on its appliance and electrical fire safety page, read 2026-09-07, that "failure to clean (31%) was the leading factor contributing to the ignition of clothes dryer fires in homes from 2018-2020," citing the National Fire Incident Reporting System. That figure is for the United States.
Read the implication rather than the number. Longer running times are not just a longer running time. They are the visible symptom of the condition that sits underneath the single most common contributing factor in these fires. Which is why "my dryer is slow" deserves an afternoon rather than a shrug, and why the fix is cleaning rather than a bigger machine.
If you have already worked through the screen, the duct and the load and nothing changed, an appliance that is running twice as long as it used to run is also telling you something about its age. Our guide on whether to repair or replace an appliance is the right place to answer that deliberately.
Where this stops being yours
| Symptom | What it points at | Whose job |
|---|---|---|
| Hot and damp load, screen dirty or filmed | Lint screen | Yours |
| Hot and damp load, screen clean | Duct, duct material, vent hood flap | Yours, up to the point below |
| Duct disconnected inside a wall or ceiling cavity | Concealed duct run | A professional installer, not a homeowner |
| Cool and damp load, electric dryer | Heating element or thermal fuse | Qualified appliance technician |
| Cool and damp load, gas dryer | Burner, igniter or gas supply | Qualified gas professional only |
| Rumbling, squealing or a drum that will not turn | Drum bearings, belt, blower wheel | Qualified appliance technician |
| Any smell of gas at any point | Gas leak | Leave, then call the gas emergency line |
Gas dryers are a hard stop. The burner, the igniter, the gas valve and the supply line are not homeowner territory in any jurisdiction we are aware of, and no part of this article is an instruction to open one.
A duct inside a wall is also a hard stop. If you pull the machine out and find the duct has come away from its connection inside the wall, that is now warm, damp, lint-laden air being pushed into a cavity. Stop using the dryer and get it reconnected properly. That is not a job to improvise with tape.
Anything requiring the back panel, the top panel or the wiring covers to come off is a technician's job. There is mains voltage behind those panels, and on a gas machine there is a gas train as well.
The gentler version of the same lesson turns up all over the house: an appliance that has to work through a blocked path runs longer and hotter than it was designed to, which is exactly why cleaning refrigerator coils makes a fridge quieter and cheaper to run.
FAQ
Why does my dryer take two cycles when it used to take one? Almost always lost airflow. Feel the load at the end of a cycle: hot and damp means the moist air is not leaving, so check the lint screen for fabric softener film, then the duct material, its length and the flap on the outside wall. Cool and damp points at the heat source instead, which is a technician's job.
Can a dryer sheet make my dryer slower? Indirectly, yes. GE Appliances states the lint filter "can be washed with warm soapy water to remove fabric softener residue from the screen." That residue forms a film that blocks the mesh while it still looks clean. Hold the screen under a tap: if water pools instead of running through, wash it.
Is a flexible plastic dryer duct a problem? GE says it does not recommend flexible white plastic vent pipe because it "can collapse and restrict the airflow, causing lint to build up inside the dryer." Your manufacturer's instructions and your local building rules decide what the permanent run must be, and both point at rigid metal.
Could the washer be the reason my dryer is slow? Yes. Whirlpool notes that gentle, delicate and handwash cycles use slow spins and leave more water in the load. A load that leaves the washer dripping rather than damp will not dry in one dryer cycle, and the fault to chase is in the washer.
My dryer is slow and it smells hot. Should I keep using it? No. Stop, unplug an electric dryer, and do not run it unattended while you investigate. A hot smell with poor airflow is the combination that matters most, and if you cannot restore normal airflow with the screen and the duct, have it looked at.
I don't sell dryers, ducting or vent-cleaning services, which is why this page can tell you that the answer is usually a filmed lint screen and a bad duct rather than a new machine. More about how this site works is on the page about why I started House Tweaks.
