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A homeowner in Mechanicsville called us because their dryer was taking two and sometimes three cycles to dry a single load of laundry. The clothes were coming out warm and damp, the dryer body was hot to the touch by the end of the cycle, and the laundry room itself was running 8 to 10 degrees warmer than the rest of the house when the dryer was running. They had replaced the heating element on the dryer a year earlier, assuming that was the problem, and the issue had come back within a few months. By the time they called us, they suspected the vent.
The dryer vent had not been cleaned since the home was built, which put the duct somewhere north of a decade without service. The interior of the duct was packed with a felt-like layer of lint along its full length, with a thicker buildup at every fitting and elbow. The exterior vent hood was almost entirely blocked by a combination of lint, debris, and a small bird's nest that had been there long enough to be matted into the lint pack. With a dry cycle running, the duct interior was sitting in the temperature range where dryer fires typically start.
We disconnected the dryer, ran a rotary brush down the full length of the vent from the dryer to the exterior hood, and pulled the accumulated lint out in stages. We replaced the exterior vent hood with one rated for the actual airflow of the dryer (the original was undersized, which had contributed to the buildup), and replaced the short transition duct between the dryer and the wall with smooth-wall metal instead of the flexible foil that was there before. Foil transitions trap lint and are not code-compliant in most newer jurisdictions. We pressure-checked the vent for flow at the exterior hood after the work was finished and confirmed it was back to the manufacturer's spec.
The dryer is back to single-cycle dry times on standard loads, the laundry room temperature went back to normal, and the homeowner removed a known fire risk from the house. Total time on site was about half a day, including the hood replacement and the transition duct swap.
Dryer fires are more common than most homeowners realize. The U.S. Fire Administration estimates around 2,900 dryer fires every year, and the leading cause is a vent run that has not been cleaned. The warning signs are usually subtle: longer dry times, a dryer body that is hot to the touch at the end of a cycle, a laundry room that runs warmer than the rest of the house, or a burning smell that fades after a few minutes. If you see lint built up around the exterior vent hood or on the floor under the dryer, the run is overdue.
For most Richmond-area homes, we recommend a dryer vent cleaning every two to three years. Houses with long vent runs (over 25 feet), multiple elbows, or large families running multiple loads a day should be on the more frequent end of that range. Newer homes with smooth-wall metal venting and short runs can sometimes stretch to four years, but if you are seeing any of the warning signs above, do not wait.
Fresh Air has been doing residential dryer vent service and indoor air quality work in the Richmond area since 2011. The same crew that does HVAC and IAQ inspections handles vent cleaning, so anything we find in the duct, the laundry room, or the surrounding walls gets called out and documented in one visit. NATE-certified, fully insured, and licensed under Virginia 2710051155 and 2705143403.
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