Duct Cleaning in Hermiston, OR
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Ten months of heating a year adds up in your ducts
Your furnace here runs September through June. That is ten months of pulling air through the same ducts, and whatever is in that air ends up coated on the inside of them. On winter nights averaging 27°F, the system is cycling on and off for hours at a stretch, moving more air through those ducts than a mild climate ever would.
Umatilla County has seen 90 winter storms and 77 damaging wind events over the past ten years. Storms like that knock out power, and a fifth of Oregon households went at least a day without it in 2024 alone. When a furnace sits idle in a cold house and then kicks back on, it stirs up whatever settled in the ducts while the system was down.
- 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 fixed number of years that fits every house. Homes with pets, a smoker, or recent renovation work tend to need it sooner, since more dust and hair gets pulled into the system. If a room gets dusty again within days of cleaning, or the vents show buildup when you pull the cover off, that is a sign to move the schedule up. A contractor can look at your ducts and tell you what the buildup actually calls for.
- Is air duct cleaning worth it?
- It depends on what is actually built up inside your ducts. If a contractor finds heavy dust, pet hair, or debris coating the duct walls, clearing it out helps the air moving through the house and can ease strain on the system. If the ducts are already fairly clean, there is not much to gain. That is why a look at the actual ductwork matters more than doing it on a schedule.
- What does air duct cleaning involve?
- A contractor connects a vacuum system to your ductwork, then uses brushes or air tools to loosen dust and debris from the duct walls before pulling it out through the vacuum. The vent covers and return grilles usually get cleaned too, along with the coil and blower housing where dust tends to collect. Most contractors walk the house first to see how the ducts are laid out and where the buildup is worst before starting.