Dryer Vent Cleaning in Denver, CO
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Cold vents make the lint stick
Your dryer pushes out warm, damp air every load. That air has to travel through a vent that runs through cold space before it reaches outside. On a winter night in Denver, with temperatures down near 19°F, the warm air cools fast inside that vent. When it cools, the moisture in it settles on the vent walls, and lint sticks to those damp walls instead of blowing on through.
That buildup narrows the vent a little more each month, from October through May when the cold sits in the walls and attic where the vent runs. A narrow vent means the dryer has to push harder to move the same air, and the lint packed inside it is what catches fire.
- 19°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 for most households. Lint builds up along the whole vent run, not just in the trap, and that's what slows drying time and raises the fire risk. If you notice clothes drying slower than they used to, don't wait for the year mark, get it checked sooner.
- Can I clean my dryer vent myself?
- You can clean part of it, but probably not all of it. A vent brush kit will pull lint out of the first few feet behind the dryer. The rest of the run, especially anywhere it bends or travels up through a wall or roof, needs a longer rod and vacuum setup to reach all the way to the outside vent hood.
- What are the signs of a clogged dryer vent?
- Clothes taking longer than usual to dry, or coming out hot and still damp, are the clearest signs. The dryer itself may run hotter than normal, and the laundry room can feel more humid after a load. Check the outside vent hood while the dryer runs. If little air is moving out of it, the vent is blocked somewhere along the way.