Duct Cleaning in Stockton, CA
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Step 1 of 3: Equipment
Six months of heat moving through the same ducts
Your furnace runs November through April here, six months of the year. Winter nights average 40°F, so the blower is cycling air through those ducts on most nights of the winter. Whatever is sitting in the ductwork gets pushed out into every room each time it runs.
San Joaquin County has also logged 21 damaging wind events over the past ten years. Wind at that level can push dust into any part of the duct system exposed to it, and that adds to what the blower is already circulating through the house.
- 6 months
- November through April, your furnace pushes air through your ducts
- 5 months
- May through September, your air conditioner does the same
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NOAA nClimDiv, 1991–2020 normals
- How often should air ducts be cleaned?
- There's no fixed schedule that fits every home, but a contractor can tell you if yours needs it by looking inside the ducts. If anyone in the house has allergies, or you've had a pest problem or water damage in the ductwork, it's worth checking sooner rather than later. Homes that just finished a remodel should also have ducts inspected once the dust settles, since drywall dust gets pulled into the system and coats the inside of the ducts.
- Is air duct cleaning worth it?
- It's worth it when there's a clear reason for it, like visible dust coming out of the vents, a musty smell when the air kicks on, or ducts that were never cleaned since the house was built. It won't lower your energy bills or fix an equipment problem on its own. What it does is remove buildup that's been sitting in the ducts and keep it from blowing back into the rooms you live in.
- What does air duct cleaning involve?
- A contractor connects a vacuum system to the ductwork and uses brushes or air whips to knock loose the dust and debris built up on the inside walls of the ducts, then pulls it all out through the vacuum. Every supply and return vent gets cleaned, along with the main trunk lines. The furnace or air handler itself, including the coil and blower, usually gets cleaned at the same time since it's all part of the same airflow path.