Duct Cleaning in Roanoke, VA
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Seven months of heating pushes air through those ducts
Your furnace runs October through April here, and on nights that drop to 29°F it cycles on and off for hours at a time. Every cycle pushes air through the same ductwork, and whatever is sitting in that ductwork moves with it. Dust, pet hair, and the fine debris that settles in a duct over a season gets stirred up and blown back into the rooms you're heating.
Roanoke also sees its share of winter storms and wind, and power drops with them. Ductwork sits still during an outage, and whatever has settled in it stays put until the system starts moving air again. In a house that runs its furnace most of the year, that buildup has a long stretch of time to collect before anyone notices it.
- 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?
- Most homes do fine having it done every few years, not every year. If anyone in the house has allergies, or you've had renovation work that opened up the ductwork, it's worth doing sooner. Homes with pets tend to need it more often since more hair and dust gets pulled into the system.
- Is air duct cleaning worth it?
- It's worth it if you can see dust coming from the vents or allergy symptoms ease up when you leave the house. It won't lower your heating bills or fix an airflow problem caused by something else, like a bad duct run or a clogged filter. A contractor can look at your ducts and tell you honestly whether cleaning will help your situation.
- What does air duct cleaning involve?
- A contractor connects a vacuum system to your ductwork, then uses brushes or air tools to knock loose dust and debris from inside the duct walls before pulling it out through the vacuum. Every supply and return vent in the house gets cleaned this way, along with the main trunk lines. The furnace or air handler itself usually gets a cleaning too, since that's where a lot of the dust collects.