Dryer Vent Cleaning in Santa Fe, NM
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What cold nights do to a dryer vent
Your dryer pushes out warm, damp air, and that air has to travel through a vent that sits in a cold attic or wall cavity. On winter nights that average 20°F here, that vent stays cold for months at a stretch. The warm air cools fast against those walls, and the moisture it's carrying turns to dampness on the inside of the duct. Lint sticks to a damp wall far more easily than a dry one, so it builds up faster right where the vent is coldest.
That buildup narrows the path the air has to take to get outside. A dryer working against a partly blocked vent runs hotter and takes longer to dry a load, and the lint packed inside is the same material that burns.
- 20°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 standard rule, more often if you dry a lot of loads or the vent run is long. A dryer that vents through a long duct or several turns collects lint faster than one with a short, straight shot outside. If you notice clothes taking longer to dry, that is a sign the year mark should move up.
- Can I clean my dryer vent myself?
- You can clean the section behind the dryer and the outside hood yourself, but the full duct run is harder to do without the right brush and rod setup. Lint builds up along the whole length of the vent, not just at the ends, and a shop vac reaching in from either side usually cannot get the middle of a long run. If your vent has more than one bend or runs any real distance through the wall, a contractor with proper rods can clear the whole line in one pass.
- What are the signs of a clogged dryer vent?
- Clothes that take two cycles to dry, a dryer that runs hot to the touch, and a burnt smell during the cycle are the clearest signs. Check the outside vent hood too. If the flap barely moves or you feel weak airflow when the dryer is running, lint is blocking the path. A musty smell in the laundry room can also mean moisture is backing up instead of venting outside.