Duct Cleaning in Blackfoot, ID
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Ten months of heating pushes dust through your ducts
Your furnace runs September through June here, ten months a year. That is ten months of air moving through the same ductwork, carrying dust and pet hair through the runs. It settles in the bends and low spots where the airflow slows down.
Winter nights averaging 16°F keep the furnace running hard and often, and the blower keeps pushing air through ducts that are gradually narrowing with buildup. Bingham County has seen 134 winter storms and 109 damaging wind events over the past ten years, and the power loss that comes with some of those storms shuts the furnace down, then starts it back up hard once power returns. Each restart pushes more of that settled dust into the air the house breathes.
- 10 months
- September through June, your furnace pushes air through your ducts
- 2 months
- July through August, your air conditioner does the same
NOAA nClimDiv, 1991–2020 normals
- How often should air ducts be cleaned?
- There is no set schedule that fits every home, but a contractor can tell you what your ducts need by looking inside them. Homes here run the furnace September through June, so ducts have more months of dust and pet hair moving through them than in places with a short heating season. If anyone in the house has allergies, or dust builds up fast on furniture, that is a sign to have them checked sooner rather than later.
- Is air duct cleaning worth it?
- It depends on what is actually built up in the ducts. If dust visibly kicks out of the vents when the furnace starts, or a room stays dusty no matter how often you clean it, cleaning the ducts will help. If the system is newer and the filter has been changed on schedule, there may not be much built up yet. A contractor can look at the supply and return vents and tell you whether it is worth doing now or worth waiting.
- What does air duct cleaning involve?
- A contractor connects a vacuum to the duct system to pull air through it at high pressure, then runs brushes or air whips through each duct to knock dust and debris loose so the vacuum can catch it. The supply and return vents get cleaned too, along with the grilles covering them. On most jobs the furnace or air handler gets a look as well, since dust collects on the blower wheel and coil.