Duct Cleaning in New Bedford, MA
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Step 1 of 3: Equipment
Eight months of heating pushes a lot of air through your ducts
Your furnace runs October through May here. On the cold nights, down near 23°F, it cycles on and off for hours at a stretch, and every cycle pushes air through the same ductwork. Dust and whatever else has settled in there gets stirred up and carried right back into your rooms.
Bristol County has seen 36 winter storms and 282 damaging wind events over the past ten years, and storms like that push more dust and debris into a home's air. That's more for your ducts to collect over eight months of steady use, and more that ends up back in the air you're breathing until the ducts are cleaned out.
- 8 months
- October through May, your furnace pushes air through your ducts
- 2 months
- July through August, your air conditioner does the same
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NOAA nClimDiv, 1991–2020 normals
- How often should air ducts be cleaned?
- There is no fixed schedule that fits every home. Most homes do not need it on a regular calendar at all, unless something specific points to it, like visible mold, a rodent or insect problem, or dust that keeps coming back right after cleaning. If anyone in the house has allergies or breathing trouble that gets worse indoors, that is a reason to have the ducts looked at sooner rather than later.
- Is air duct cleaning worth it?
- It depends on what is actually in your ducts. If you can see mold on the metal, heavy dust buildup, or signs of rodents or insects, cleaning them is worth doing. If the ducts look clean and nobody in the house has breathing problems, you likely will not notice a difference in air quality or in what it costs to run the furnace.
- What does air duct cleaning involve?
- A contractor puts the duct system under negative pressure with a vacuum while agitating the inside of the ducts with brushes or air whips, then pulls the loosened dust and debris out. Every supply and return duct should get cleaned, along with the grilles and diffusers, and the coils near the furnace or air handler if those are dirty too. A thorough job also checks the ducts for gaps or damage while they are open, since that is the only time anyone gets a clear look inside them.