Duct Cleaning in Oxnard, CA
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Seven months of heat pulls dust 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 pulls along whatever dust and pet hair has settled in the lines since the last cycle. Over that many months it builds into a layer along the duct walls.
Oxnard's winter nights average 38°F, mild enough that the furnace does not run as hard as it would somewhere colder, but it still cycles often enough over seven months to circulate that buildup through the house. A duct lined with dust restricts airflow to the rooms at the end of the run, and it feeds whatever settles on the coil and the filter behind it.
- 7 months
- November through May, your furnace pushes air through your ducts
- 3 months
- July 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 house. Homes with pets, a smoker, or heavy dust tend to need it sooner, since buildup collects faster in the vents. If you see dust blowing out of the registers or notice a musty smell when the heat kicks on, that is a sign to have it looked at regardless of when it was last done.
- Is air duct cleaning worth it?
- It depends on what is actually going on inside the ducts. If there is visible mold, a rodent problem, or heavy dust after a renovation, cleaning solves a real issue. If the ducts look fine and nobody in the house has breathing problems, it will not make a noticeable difference to your air or your energy bills. A contractor can look inside the ductwork with a camera and tell you whether cleaning will help your situation.
- What does air duct cleaning involve?
- A contractor connects a powerful vacuum to the duct system, then uses brushes or air whips to knock dust and debris loose so the vacuum can pull it out. This gets done at the supply and return registers throughout the house, along with the main trunk lines. The furnace or air handler and the coil usually get cleaned at the same time, since they collect the same dust the ducts do.