Dryer Vent Cleaning in Murrysville, PA
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Step 1 of 3: Equipment
Cold vents turn lint into a wall
Your dryer pushes out warm, damp air, and that air has to travel through metal duct sitting in a cold space. From December through February, nights here average 23°F, and the vent run cools fast once the dryer shuts off. Warm air hits those cold walls, the moisture in it lands on the metal, and lint sticks there instead of blowing outside.
Over a long heating season, that buildup narrows the vent a little at a time. Air moves slower, the dryer runs longer to dry the same load, and the lint that should exit the house stays inside the duct instead.
- 23°F
- the average winter night, and cold vents catch damp lint
- 8 months
- October through May, the vent stays cold
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NOAA nClimDiv, 1991–2020 normals
- How often should a dryer vent be cleaned?
- Once a year is the standard advice, and a contractor can tell you if your setup needs it more often. A vent that runs long or has several bends traps more lint than a short, straight one, so it is worth checking sooner if that describes your setup. If you notice clothes drying slower than they used to, do not wait for the yearly cleaning.
- Can I clean my dryer vent myself?
- You can clean the part you can reach, but that is usually just the first few feet behind the dryer. Most vent runs travel through walls or the attic before reaching the outside hood, and lint collects the whole way, especially at bends. A shop vac and a brush kit handle the section right behind the dryer. Getting the rest of the run means pulling the vent apart or feeding a rod through it, which is why most homeowners bring in someone with the right equipment for the full length.
- What are the signs of a clogged dryer vent?
- Clothes that take longer than usual to dry, or come out hot to the touch and still damp, are the clearest sign. Check the outside vent hood while the dryer runs. If you feel weak airflow there, or barely any at all, lint is blocking the path. A burning smell, more lint than normal collecting on the lint screen, or the dryer shutting off on its own are also signs the vent needs attention.