Sunlit attic space with exposed wooden roof rafters and large flexible silver HVAC ductwork running along the floor to an air handler unit.

Duct Cleaning in Seward, NE

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Insulated silver HVAC ductwork runs along the exposed wooden rafters of an attic and connects to a white air handler unit.

Eight months of heating pushes a lot of air through your ducts

Your furnace runs October through May in Seward County, eight months of the year. On nights that average 17°F, it cycles on and off many times to keep up, and every cycle pushes air through the same ducts and back into your rooms. Dust builds up in that airflow over a heating season that long.

The county has also seen 38 damaging wind events and 13 winter storms over the past ten years. Wind like that drives dust and debris in through gaps around doors, windows, and vents, and what gets in gets pulled into the ductwork along with everything else.

8 months: October through May, your furnace pushes air through your ducts
4 months: June through September, your air conditioner does the same

Isometric grayscale illustration of a cutaway two-story house showing interior rooms with furniture and a network of round ventilation ducts connected to air handling units, under a dark shingled gable roof.

Your ducts carry heat October through May and cooled air June through September.

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NOAA nClimDiv, 1991–2020 normals

How often should air ducts be cleaned?: There's no fixed schedule that fits every home. Homes with pets, a recent renovation, or someone with allergies may need it more often than a home without those things. If you don't see dust building up around the vents and nobody in the house has breathing trouble, there's no rush to put it on a calendar.
Is air duct cleaning worth it?: It's worth it if you can see dust coming out of the vents, if the ducts were opened up during a renovation, or if a smell lingers no matter what you do. Ducts just carry air, so cleaning them won't fix a furnace or coil problem. If the concern is everyday air quality, the filter does more of that work than the ducts do.
What does air duct cleaning involve?: A contractor connects a vacuum system to the ductwork, then uses brushes or air tools to knock dust and debris loose from inside the ducts so the vacuum can pull it out. Every supply and return vent gets cleaned this way, along with the main trunk lines. The furnace or air handler often gets checked too, since it connects directly to the same ducts.

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