Duct Cleaning in Moriarty, NM
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Eight months of heating pushes dust through the same ducts
Moriarty homes run their heat from October through May. Winter nights average 21°F, so the furnace is cycling on and off most hours of the day, all season long. Every time it starts, air moves through the ductwork and any dust or debris sitting in there gets pushed out into the rooms you live in.
The county has seen 69 winter storms and 220 damaging wind events over the past ten years. Wind like that drives more dust and grit toward the house, and some of it works its way into the return air and settles in the ducts. Over a long heating season, that buildup is what ends up circulating through the house every time the furnace kicks on.
- 8 months
- October through May, your furnace pushes air through your ducts
- 3 months
- June through August, 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. Have it done if you see dust coming from the registers, notice a musty smell when the furnace runs, or know there has been a rodent or water problem near the ductwork. Moriarty homes run the furnace October through May, so any dust sitting in the ducts gets circulated through the house most of the year.
- Is air duct cleaning worth it?
- Yes, when there is a real reason for it. Visible dust at the registers, a musty smell from the vents, or known debris in the ducts are all good reasons to have it done. If the ducts look clean and nobody in the house has breathing trouble, cleaning them on a strict schedule will not do much for you.
- What does air duct cleaning involve?
- A contractor connects a powerful vacuum to the duct system, then agitates the inside of each duct to loosen dust and debris before pulling it out. The registers and grilles get cleaned too, along with the vent hood if there is one. On a forced air system, the coil and blower housing sometimes get checked during the same visit since dust collects there as well.

