The short answer
Dryer vent cleaning removes built-up lint from the duct between your dryer and the outdoors so hot, moist air can leave your home freely. The U.S. Fire Administration identifies failure to clean as the leading factor contributing to home clothes dryer fires. If loads take longer to dry or the dryer runs hot, it's time to have the vent cleaned.
Every load of laundry pushes lint, moisture and heat through the duct behind your dryer. Over time that lint settles in bends, at the wall connection and at the outside hood, and the dryer has to work harder to move air through a narrowing path. PrimeFlue Chimney Services cleans dryer vents for homeowners in New York and nearby cities. We handle short runs in apartments and row houses as well as long ducts that travel through walls, ceilings or basements and exit on the roof. Our certified technicians clean the full run from the back of the dryer to the outside termination, check that air is moving, and tell you plainly what they found. You get a clear picture of the vent's condition, not a sales pitch.
Signs you need it
A clogged dryer vent rarely fails all at once. Most homeowners notice small changes over weeks or months and assume the dryer is getting old. Usually the duct is the problem, not the machine. If you notice any of the signs below, have the vent looked at before you replace the dryer.
- Clothes take two or more cycles to dry, or still feel damp at the end of a normal cycle
- The top or sides of the dryer feel unusually hot, or the laundry room gets warm and humid while it runs
- A burning or scorched smell when the dryer is on
- Lint blowing back into the room, collecting behind the dryer or around the outside vent hood
- Little or no air coming out of the outside vent while the dryer is running
- The flap on the exterior hood stays shut or is stuck open
- Scratching, chirping or nesting material at the vent, which often means birds or rodents have moved in

What's included in a dryer vent cleaning
Each visit covers the whole vent system, not just the part you can see. Here's what the technician does on a standard cleaning:
- Pull the dryer out carefully and disconnect the transition duct
- Inspect the transition duct and recommend replacing flexible plastic or foil duct with metal duct if needed
- Clean the full duct run with rotary brushes sized for the vent
- Collect loosened lint with a HEPA vacuum at the dryer end
- Clear the exterior hood or roof cap and check that the flap or damper opens and closes
- Remove any nests or debris from the termination
- Vacuum the lint trap housing and the area behind the dryer
- Reconnect the dryer, run it, and check airflow at the outside vent
- Run a camera through the duct where the run is long or hidden, or when a blockage won't clear
- Walk you through what we found and anything that needs attention
How our crew works in your home and on the roof
Inside, the technician lays drop cloths from the door to the laundry area and around the dryer before moving anything. We pull the dryer out gently to protect your floor and the gas line or electrical connection behind it. A HEPA vacuum stays connected at the dryer end while the rotary brushes turn through the duct, so loosened lint is drawn into the vacuum instead of blowing into your laundry room.
Many vents in New York row houses and multi-story homes don't exit through a nearby wall. They run up through the building and terminate on the roof. In those cases a technician works from the roof as well, clearing the cap, removing nests and brushing down from the top while the crew below controls the debris. Roof caps often hide clogs because lint cools and clumps right at the exit.
Where the duct runs behind finished walls or ceilings, or the brush meets resistance, we use a camera to look inside. That lets us spot crushed sections, disconnected joints or blockages that can't be seen from either end, without opening walls to guess.
Time for your annual chimney check?
Why cleaning matters for fire safety
Lint is light, dry and easy to ignite, and a dryer produces the heat to ignite it. According to the U.S. Fire Administration, failure to clean is the leading factor contributing to clothes dryer fires in homes. Cleaning the lint screen after each load helps, but it doesn't reach the lint that gets past the screen and settles in the duct.
Airflow matters for another reason too. When air can't leave the duct, moisture stays in the laundry room and the dryer cycles longer, adding wear to the heating element and other parts. Gas dryers also send combustion exhaust through the vent, which is one more reason to keep that path open all the way outside.
What affects the price
Every vent is different, so we quote after we understand your setup. The main factors are:
- Length of the duct and the number of bends and turns
- Where the vent exits: a nearby wall, a high wall, or the roof, and how easy that spot is to reach
- Building height and roof access
- Whether the dryer is gas or electric
- Duct material and condition, including crushed, disconnected or plastic sections
- How much lint has built up, and whether there are nests or other blockages
- Whether a camera inspection is needed to see hidden sections
- Any repairs, such as replacing the transition duct or a damaged exterior hood or roof cap
How a visit works
When you contact us, we'll ask where your dryer sits, roughly where the vent exits, whether it's gas or electric, and what you've noticed. That helps us send the right equipment and plan for roof access if needed.
On the day of the visit, the technician confirms the plan with you, protects the work area and gets started. Most of the time is spent on the duct itself. Afterward we run the dryer to check airflow at the outside vent. Before leaving, we clean up, show you what came out of the duct, and explain any repairs we'd recommend so you can decide what to do next.

