Duct Cleaning in Dunn, NC
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Step 1 of 3: Equipment
Six months of heating, all through the same ducts
Dunn homes run the furnace from October through March, six months a year, with winter nights averaging 33°F from December through February. That is six months of air moving through the same ductwork, every cycle carrying dust through the house again.
Harnett County sees its share of wind and winter storms, and storms knock out power. When a furnace stops mid-cycle and comes back on, it picks up wherever the dust in the line already was. None of that clears itself out on its own. It rides the air the furnace pushes, cycle after cycle, all winter.
- 6 months
- October through March, 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 is no fixed schedule that fits every house. If someone in the house has allergies, or you just finished a remodel that filled the ducts with drywall dust, get them cleaned. Homes with pets or a recent water leak in the ductwork also need it sooner. Outside of those situations, a contractor can look inside the ducts and tell you whether there is enough buildup to bother with.
- Is air duct cleaning worth it?
- It depends on what is actually in the ducts. If you can see dust coming out of the vents, or a room stays dusty no matter how often you clean it, cleaning the ducts will help. If the ducts are just old but not dirty, cleaning them will not make your furnace run better or lower your heating bills. A contractor can look at the ductwork and tell you whether there is enough buildup to make it worth doing.
- What does air duct cleaning involve?
- A contractor connects a vacuum to the duct system, then agitates the inside of the ducts with a brush or air whip to knock loose dust and debris so it can be pulled out. Every supply and return vent gets opened and cleaned, along with the main trunk lines. The furnace or air handler often gets a look too, since dust settles in the blower compartment and on the coil. Registers and grilles get wiped down or removed and washed before they go back on.