Duct Cleaning in Santa Maria, CA
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Step 1 of 3: Equipment
Seven months of heat moving through the same ducts
Your furnace runs November through May here, seven months of the year. Every time it kicks on, air moves through the ducts and back again, and whatever is sitting in them gets pushed into the rooms you live in.
Santa Maria has also seen its share of wind. Ten years of weather records show 32 damaging wind events and 3 winter storms in the county. Wind like that works dust and debris into attics and duct runs, and a power outage can shut a system down mid-cycle, leaving dust to settle in the lines until it comes back on.
- 7 months
- November through May, your furnace pushes air through your ducts
- 3 months
- July through September, your air conditioner does the same

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NOAA nClimDiv, 1991–2020 normals
- How often should air ducts be cleaned?
- Most homes do fine with a cleaning every few years, not every year. If anyone in the house has allergies, or you have had a pest problem or a renovation that left dust behind, it makes sense to do it sooner. A contractor can look at what is actually in your ducts and tell you whether it is time.
- Is air duct cleaning worth it?
- It is worth it when there is a real reason for it, like dust coming out of the vents, a musty smell when the system runs, or work that was done on the ducts recently. It will not lower your energy bill or fix an air quality problem on its own. A licensed contractor can look at your ducts and tell you whether cleaning will actually help your situation.
- What does air duct cleaning involve?
- A contractor puts each supply and return vent under negative pressure while brushing or air-whipping the inside of the duct to knock debris loose, then vacuums it out through the system. The furnace or air handler itself usually gets cleaned at the same time, including the blower compartment. The filter should always be replaced after the job, since it will have caught a lot of what got stirred up.

