Guide
How Often Air Ducts Should Be Cleaned in a Lived-In Home
Three to five years, shortened by how you live
How often air ducts should be cleaned depends on the house, not a coupon calendar. Many lived-in homes do well every three to five years. Pets, a smoker, a recent remodel, or a filter left out of the rack shorten that. If the registers stay clean and nobody sees dust when the system starts, a flyer in the mailbox is not a reason to clean.
Signs the interval is up, and why wiping grilles stops short
Watch for dust puffing from a supply when the system kicks on, a musty smell that is not the coil dripping, debris you can see inside a return, or remodel dust that was never cleaned out. A slightly gray grille alone can just be the paint and the room air. Wiping it, or vacuuming as far as the hose reaches, only gets the first foot or so. The dust that blows back out sits in the trunk lines and the return run.
What a duct cleaning visit actually involves
We hook a HEPA negative-air machine to the main trunk. That puts the system under suction, so loosened dust gets pulled into the machine instead of pushed into your rooms. We cover the registers, then work each supply and return run with brushes or air whips back toward the machine, including the return box and filter rack where a lot of it collects. Afterward we tell you what we found, including runs that were already fine.
When cleaning won't fix it, and what to tell us
Cleaning will not fix a crushed flex duct, a leaky return pulling in attic dust, mold on the coil, or wet insulation. Those need repair first, and breathing or allergy symptoms are a question for your doctor. Afterward, use a filter that seals in the rack and change it on a schedule you will keep. We've done this since 2021, Google Guaranteed and BBB A+. Call (949) 992-3299 and tell us when the ducts were last cleaned, about pets or a remodel, and what you see or smell.
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