Duct Cleaning in Woodbury, MN
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Eight months of heating pushes a lot of air through your ducts
Your furnace runs October through May here, close to eight months of the year. On the nights that average 10°F, it cycles on and off again and again to keep the house warm, and every cycle pushes air through the same ductwork. Dust, pet hair, and fine debris settle in the duct runs a little more with each pass.
Woodbury has seen 34 winter storms and 26 damaging wind events over the past ten years, and outages come with that kind of weather. When the power drops and the furnace stops, the air in the ducts sits still, and whatever is settled in there stays put until the system starts moving air again. Over a long heating season, that buildup can narrow the airflow through the ducts and make the furnace work harder to heat the same rooms.
- 8 months
- October through May, your furnace pushes air through your ducts
- 3 months
- June through August, 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, but a few signs point to it being time. If anyone in the house has allergies, or you've had a mouse or bird get into the ductwork, or you just finished a remodel that left drywall dust everywhere, it's worth having a contractor take a look. Homes with pets or with the windows open all summer tend to pull more dust and hair into the return vents too.
- Is air duct cleaning worth it?
- It's worth it when there's a real reason behind it, not just as a routine service. If dust keeps settling back on furniture within days of cleaning, if vents are blowing out visible debris, or if you can see mold around a vent cover, cleaning the ducts addresses the actual problem. Without one of those signs, the air quality benefit is harder to point to, and a contractor can look at your system and tell you what's actually going on inside it.
- What does air duct cleaning involve?
- A contractor connects a vacuum to the duct system to pull air through it while agitating the inside of the ducts with brushes or air tools to knock loose dust and debris. Each supply and return vent gets cleaned this way, and the furnace or air handler components the air passes through, like the blower and coils, usually get cleaned at the same time. The negative pressure from the vacuum keeps the loosened dust from blowing back out into the rooms while the work is being done.