Duct Cleaning in Leesburg, VA
Tell us about your home, and a licensed contractor who covers Loudoun County will get in touch.
Tell us about the job
It takes about a minute.
Seven months of heating pulls a lot of air through those ducts
Your furnace runs October through April here, close to seven months a year. On the cold nights, down near 26 degrees, it cycles on and off most of the day trying to keep up. Every cycle pulls household air through the ductwork, and whatever is riding in that air, dust, pet hair, skin cells, settles inside a little more each time.
Most houses in Loudoun County are single-family homes people have owned for years, not rentals people pass through. The longer a household runs its furnace through the same ducts, the more builds up inside them, which is what shows up as dust around the vents and a musty smell when the system kicks on.
- 7 months
- October through April, your furnace pushes air through your ducts
- 4 months
- June through September, your air conditioner does the same
NOAA nClimDiv, 1991–2020 normals
- How often should air ducts be cleaned?
- There is no fixed schedule that fits every home. Homes with pets, a smoker, or someone with allergies tend to need it sooner because more gets pulled into the return air. If you can see dust building up around your vents or blowing out when the system kicks on, that is a sign to move the date up rather than wait it out.
- Is air duct cleaning worth it?
- It is worth it when your ducts actually have a buildup problem, not on a fixed schedule just to have it done. Dust, pet hair, and debris sitting in the ductwork gets pushed into your rooms every time the furnace or air conditioner runs, and a heavy buildup can make your system work harder to move air through the house. If nobody in the house has allergy trouble and you do not see dust around the vents, cleaning may not change much. A contractor can look at the ducts and tell you honestly whether there is enough buildup to matter.
- What does air duct cleaning involve?
- A contractor connects a vacuum to the duct system to pull air through it while agitating the inside of the ducts to loosen dust and debris, then vacuums it out before it can resettle. This usually covers the supply and return ducts, the grilles and registers, and often the coil and blower area near the furnace or air handler, since debris collects there too. The furnace filter is a separate part and gets replaced on its own schedule, not cleaned along with the ducts.