TheTradesmanShopDryer Takes Two Cycles to Dry? It's Telling You Something
A dryer that needs two cycles is not just annoying and expensive. It is waving a flag. Slow drying almost always means restricted airflow, and restricted airflow plus lint plus heat is the recipe for a dryer fire. Here is what to check, in order.
1. The vent is cause number one
Nine times out of ten, slow drying is the vent. The dryer heats fine, but it cannot push the moist hot air out through a clogged duct, so the moisture just sits in the drum with your clothes. Check the outside vent hood while the dryer runs: the flapper should be wide open with strong airflow. If it barely moves, you found it.
2. Warning signs you have been ignoring
Clothes hot to the touch but still damp. The top of the dryer hotter than usual. A burning smell, even faint. Lint collecting behind the dryer or around the door seal. Drying times creeping up over months. Every one of these is the vent talking. Listen now or pay later.
3. The fire part nobody wants to hear
Lint is basically tinder, and your dryer makes heat. Thousands of house fires a year start in dryer vents, and they start inside the duct where you cannot see them. A restricted vent lets heat build up where lint has collected. Cleaning the vent is not maintenance fussiness; it is fire prevention. This is the one I will not soften.
4. Clean it on a schedule
Once a year minimum, more often if you have pets, a long vent run, or a vent that goes up through the roof. Pull the dryer out, disconnect the duct, and run a vent brush kit through the whole run, then vacuum what comes out. You will be amazed and slightly horrified at what comes out of a vent that has never been cleaned. Wash the lint screen with soap and water too; dryer sheets leave a film that blocks airflow even when the screen looks clean.
5. When it is the heating element
If the vent is clear, airflow is strong, and clothes still will not dry, or the dryer runs but produces no heat at all, you are looking at the heating element or the thermal fuse. On most dryers these are reachable with basic tools and the parts are cheap. But rule out the vent first, because a new element behind a clogged vent will just fail again.
Quick answers
How do I know if my dryer vent is clogged?
Run the dryer and check the outside vent hood: weak airflow or a flapper that barely opens means restriction. Inside, look for drying times getting longer, clothes hot but damp, excess lint around the door, or a burning smell. Any two of those together is a clogged vent until proven otherwise.
Can I clean my dryer vent myself?
Yes. A vent brush kit and a vacuum handle most residential vents. Disconnect the duct from the dryer, brush the full run from both ends if you can reach them, and vacuum out the debris. If the vent run is very long, goes through walls you cannot access, or you find damage, call a pro with rotary equipment.
Why does my dryer get hot but not dry the clothes?
Heat without airflow. The element is working but the moist air cannot escape, usually because of a clogged vent or a blocked lint housing. It can also be a crushed transition duct behind the dryer; pull the dryer out and check that the flexible duct is not kinked flat.