Duct Cleaning in Frederick, MD
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Seven months of heating pushes dust through the same ducts
Your furnace runs October through April here, seven months of the year. Every time it kicks on, air moves through the same ducts, and whatever is sitting in them, dust, pet hair, the fine debris that settles between cleanings, gets pushed back into the rooms you're heating. On nights that average 26°F, that furnace is cycling often, which means more air through those ducts, more often.
Most homes in Frederick County are single-family houses people own rather than rent, and that means the same ductwork has usually been in place for years, building up whatever it's going to build up. Dirty ducts don't just mean dust in the air. Buildup inside the duct narrows the path air has to move through, so the furnace works harder to push the same amount of heat into the house.
- 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. If anyone in the house has allergies, you just finished a renovation, or you can see dust blowing out of the vents, that's a sign it's time. Homes with pets or a lot of foot traffic tend to need it more often than others. A contractor can look at your ducts and tell you what condition they're actually in.
- Is air duct cleaning worth it?
- It's worth it when there's a real reason for it, like dust coming out of the vents, a musty smell when the system runs, or work that left debris behind. It won't lower your heating bill or fix a system that's running poorly for other reasons. A contractor can look at your ducts and tell you honestly whether they need it.
- What does air duct cleaning involve?
- A contractor connects a vacuum system to your ductwork, then uses brushes or air tools to loosen dust and debris from inside the ducts while the vacuum pulls it out. Every supply and return vent in the house gets cleaned this way. The furnace or air handler often gets attention too, since dust collects around the blower and coil.