Flexible silver HVAC ducts and a sheet-metal plenum box inside a dimly lit attic with fiberglass insulation and a louvered vent casting light through dust.

Duct Cleaning in Madison, MS

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Insulated HVAC ducts and a metal flue pipe installed inside a wood-framed residential attic with sunlight streaming through a vent.

What Madison County's weather does to your ducts

Your furnace only needs to run November through March here, five months a year. The rest of the time your ducts sit still, and dust settles in the runs and around the joints until the system fires back up and pushes it into the rooms you heat.

Madison County has logged 160 damaging wind events and 4 winter storms over the past ten years. Wind like that can work at duct seams over time, loosening joints and letting in dust from the attic or crawlspace between them. Each power outage adds to that, since the system sits idle, then kicks back on and stirs up whatever settled while it was off.

5 months: November through March, your furnace pushes air through your ducts
6 months: May through October, your air conditioner does the same

Isometric cutaway illustration of a single-story house with a dark pitched roof, showing interior rooms with furniture and a network of round ductwork running between them.

Your ducts carry heat November through March and cooled air May through October.

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NOAA nClimDiv, 1991–2020 normals

How often should air ducts be cleaned?: Most homes do fine having their ducts cleaned every few years, sooner if someone in the house has allergies or there are pets shedding into the vents. Ducts that run through a crawlspace or attic collect dust faster than ones sealed inside conditioned space. If a room is dustier than the rest of the house within days of cleaning, that is a sign to check the ducts feeding it sooner than usual.
Is air duct cleaning worth it?: It's worth it when there's a real reason behind it, like visible dust coming out of the vents, a musty smell when the system runs, or work that opened up the ductwork recently. It does not fix a furnace or air conditioner that is running poorly, and it will not lower a heating bill on its own. If dust keeps showing up on furniture right after cleaning, the leak is likely somewhere else, like a gap around the return.
What does air duct cleaning involve?: A contractor connects a vacuum system to the ductwork and uses brushes or air tools to knock loose dust and debris, then pulls it out through the vacuum before it resettles. Supply and return vents get cleaned along with the main trunk lines. The furnace or air handler often gets a look too, since dust builds up around the blower and coil the same way it does in the ducts.

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