Duct Cleaning in Show Low, AZ
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Eight months of heating pushes a lot of air through your ducts
Your furnace runs October through May in Show Low. On winter nights that average 21°F, it cycles on and off for hours at a time, pulling air through the same ductwork over and over. Every pass carries dust and pet hair into that ductwork, and most of it settles inside rather than blowing back out through the vents.
The county has logged 137 winter storms over the past ten years. Each one means more hours of furnace use, and more air pulled through ducts that are already carrying what settled there before. Over eight months of that, the buildup is what the furnace pushes through the house every time it runs.
- 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. If anyone in the house has allergies, or you've had a rodent problem or a renovation that kicked up dust and drywall debris, that's a reason to have it looked at sooner. Ducts that look fine from the vent can still be full of dust further back, so a contractor can check with a camera before recommending anything.
- Is air duct cleaning worth it?
- It depends on why you're considering it. If dust keeps settling back on surfaces soon after you clean, or you can see buildup at the vents, cleaning solves a real problem. If you're doing it on a schedule with no symptoms, it matters less. Heat runs in this county from October through May, so whatever is sitting in the ducts gets pushed through the house for most of the year.
- What does air duct cleaning involve?
- A contractor connects a vacuum to the duct system to create negative pressure, then uses brushes or air tools to knock loose dust and debris from inside the ducts so it gets pulled into the vacuum rather than blown into the house. The supply and return vents get cleaned along with the main trunk lines. The furnace or air handler itself, including the blower and coil, is usually inspected and cleaned as part of the same visit since it's the source that feeds every duct in the house.