Duct Cleaning in Greenwood, IN
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Step 1 of 3: Equipment
Eight months of heat means eight months of buildup in your ducts
Your furnace runs October through May here, close to eight months a year. That's eight months of the same ducts pulling air through the house, cycle after cycle. Dust and pet hair settle in that ductwork, and every time the furnace kicks on, more of it stirs loose.
Winter nights average 23°F from December through February, and on nights that cold the furnace runs longer and more often to keep the house warm. Dirty ducts add resistance, so the furnace has to push harder to move the same air, and it's carrying that buildup through the house each time it runs.
- 8 months
- October through May, your furnace pushes air through your ducts
- 4 months
- June through September, your air conditioner does the same
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NOAA nClimDiv, 1991–2020 normals
- How often should air ducts be cleaned?
- There's no fixed schedule that fits every house, so go by what you notice. If anyone has allergies, you have pets that shed, or you just finished a remodel, the ducts fill up faster and need attention sooner. Homes here run the furnace eight months of the year, October through May, so there's more airflow moving through the ductwork than in places with a shorter heating season, which means dust and debris get pushed around more of the time.
- Is air duct cleaning worth it?
- It's worth it if you can see dust coming out of the vents, if a room never seems to get warm even with the furnace running, or if someone in the house has allergy symptoms that ease up when they're away from home. It won't fix a furnace problem or lower a heating bill on its own. What it does is clear out what's built up so air can move through the system the way it's supposed to.
- What does air duct cleaning involve?
- A contractor connects a vacuum system to the ductwork and uses brushes or air tools to knock loose dust and debris, then pulls it out through the vacuum so it doesn't just settle back down the line. They go register by register through the house, and check the return ducts too, not just the supply side. The furnace or air handler usually gets a look as well, since that's where a lot of the buildup collects.