Dryer Vent Cleaning in Niagara Falls, NY
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Cold vents turn dryer lint into a wall of buildup
Your dryer pushes out warm, damp air every time it runs. From October through May, that air is moving through a vent that sits in a cold house or a cold wall, with winter nights averaging 21°F. The warm air cools fast once it hits that cold metal, and the moisture in it settles on the vent walls. Lint sticks to wet metal a lot easier than it sticks to dry metal, and it builds up layer by layer instead of blowing straight out.
Once enough lint packs into the vent, the air your dryer pushes out has nowhere to go. It backs up into the duct, and some of it ends up in the walls around it instead of outside your house.
- 21°F
- the average winter night, and cold vents catch damp lint
- 8 months
- October through May, the vent stays cold
NOAA nClimDiv, 1991–2020 normals
- How often should a dryer vent be cleaned?
- Once a year is the general rule, and a contractor can tell you if your setup needs it more often. A long vent run, one with several turns, or a household running loads almost every day will clog faster than that. A dryer that takes longer to dry a load than it used to is often the first sign the vent needs attention before the year is up.
- Can I clean my dryer vent myself?
- You can clean the lint trap and the short section right behind the dryer yourself, and you should do that often. The rest of the run is harder to reach and harder to judge, especially where the vent goes through a wall or up through the roof. A contractor has the rods and the camera to check the duct is clear end to end, not just at the part you can see.
- What are the signs of a clogged dryer vent?
- Clothes that need two cycles to dry, a dryer that runs hot to the touch on the outside, a burning smell, and weak airflow at the outside vent hood are the main signs. Lint building up around the lint trap door or the outside flap not opening fully when the dryer runs are also worth noting. Any one of these on its own is worth a look, and more than one together means the vent needs cleaning soon.