Duct Cleaning in Denton, MD
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Seven months of heat, moving through the same ducts
Your furnace runs October through April here, seven months of the year. Every one of those months, the air it heats travels through your ductwork before it reaches a single room. Dust, pet hair, and whatever else settles in the house gets pulled into the return and pushed out again, over and over, all winter.
Caroline County has also seen its share of rough weather, nine winter storms and 75 damaging wind events over the past ten years. Storms like that mean power interruptions, and across Maryland, 11% of households lost power for at least 24 hours in 2024. When a system sits off for a stretch and then kicks back on, whatever has settled in the ducts gets stirred up and blown through the house again.
- 7 months
- October through April, your furnace pushes air through your ducts
- 4 months
- June through September, your air conditioner does the same
NOAA nClimDiv, 1991–2020 normals
- How often should air ducts be cleaned?
- There's no fixed schedule that fits every house. Have the ducts checked if anyone in the house has allergies, if you just finished a remodel that left dust behind, or if you've got pets shedding into the return vents. A recent water problem in the ductwork is also a reason to get it done sooner rather than later.
- Is air duct cleaning worth it?
- It's worth it when there's a real reason for it, like visible dust coming out of the vents, a musty smell when the air handler kicks on, or work that was just done on the ducts themselves. It won't lower your heating bills or fix a furnace that's struggling, so don't expect that from it. What it does well is cut down on the dust settling around the house and clear out debris that built up over the years.
- What does air duct cleaning involve?
- A contractor connects a vacuum to the duct system and uses brushes or air tools to knock loose dust and debris from inside the ducts, then pulls it all out through the vacuum. Every supply and return vent gets cleaned, along with the main trunk lines. The furnace and coil often get a look too, since they connect straight into the same airflow.