Duct Cleaning in La Plata, MD
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Seven months of heating means seven months moving air through the same ducts
Your furnace runs October through April here, seven months out of the year. Every one of those months, the blower pulls household air through the ducts and pushes it back out into your rooms. Dust and whatever else is in the air settles along the way, and it builds up fastest during the stretch when the system barely shuts off.
Charles County has seen 188 damaging wind events and 11 winter storms over the past ten years. Storms like these bring outages, and when the power drops and comes back, the blower kicks on again and moves air through ducts that have been collecting buildup the whole season. Winter nights here average 29°F, so that blower is not resting long between cycles.
- 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 home. Homes with pets, a recent renovation, or someone with allergies may need it more often than a home without those things. If you see dust coming out of the vents when the system kicks on, or dust is settling on furniture faster than it used to, that's a sign to have the ducts looked at rather than waiting.
- Is air duct cleaning worth it?
- It's worth it if your ducts actually have a buildup problem, not as a routine thing to schedule every year. A contractor can check for dust, debris, or signs of pests before recommending the job. Clean ducts help the air moving through your house, but they won't fix a furnace or air conditioner that's having its own problems.
- What does air duct cleaning involve?
- A contractor connects a vacuum system to your ductwork and uses brushes or air tools to knock loose the dust and debris inside, then pulls it out through the vacuum. They'll also clean the supply and return vents, and check the coil and blower if those are accessible. The furnace filter is a separate part that catches dust before it reaches the air, so it isn't part of duct cleaning, but a contractor will usually check it while they're there.