Dryer Vent Cleaning in Bozeman, MT
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Cold vents make lint stick
Your dryer pushes out warm, damp air, and it has to travel through a vent that sits in a cold house for most of the year. Winter nights here average 13°F from December through February, so that air cools fast once it hits the duct. The moisture in it settles on the vent walls, and lint catches on the damp spots instead of blowing straight through.
Over time that buildup narrows the vent. Less air gets out, so your dryer runs longer to dry the same load, and the heat it should be venting outside stays trapped in the duct instead.
- 13°F
- the average winter night, and cold vents catch damp lint
- 10 months
- September through June, the vent stays cold
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NOAA nClimDiv, 1991–2020 normals
- How often should a dryer vent be cleaned?
- Once a year for most households. Lint builds up inside the duct even when the lint trap is cleaned every load, because not all of it gets caught there. A household that dries more loads in a week will see buildup faster than one that doesn't, so watch for the signs of a clog between cleanings rather than going strictly by the calendar.
- Can I clean my dryer vent myself?
- You can clean the first few feet near the dryer yourself, but that's not the whole vent. The duct usually runs several feet through a wall or ceiling to a vent hood outside, and lint collects along the whole path, not just at the ends. A contractor uses a brush and vacuum sized for the full run, which reaches lint that a household vacuum or a coat hanger can't.
- What are the signs of a clogged dryer vent?
- Clothes that take longer than one cycle to dry, or come out hotter than usual, are the biggest sign. Check the outside vent hood too. If the flap barely moves or no air comes out when the dryer is running, the duct is likely blocked. A burning smell or a dryer that shuts off partway through a cycle both mean the airflow is restricted enough to trip the safety thermostat, and that's worth having checked soon.