Duct Cleaning in Claremont, NH
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Step 1 of 3: Equipment
Nine months of heat moves a lot of air through your ducts
Your furnace runs September through May here, nine months of the year. That is nine months of air pushed through the same ductwork, carrying dust and pet hair back into the rooms you're heating every time the system cycles.
Winter nights averaging 13°F mean that system cycles hard and often to keep the house warm. The more it runs, the more it pulls through the ducts. With this many months of heavy use, buildup inside the ducts has time to grow, and a dirty duct system makes the furnace work harder to push air through a narrower, dirtier path.
- 9 months
- September through May, your furnace pushes air through your ducts
- 1 months
- July through July, your air conditioner does the same
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NOAA nClimDiv, 1991–2020 normals
- How often should air ducts be cleaned?
- There is no fixed schedule that fits every home. If anyone in the house has allergies, or you have had rodents or a water leak near the ductwork, that is a reason to have it done sooner rather than later. Homes here run the furnace September through May, nine months of the year, so the ducts see more months of use than in places with a shorter heating season. A contractor can look inside and tell you whether yours need cleaning now or can wait.
- Is air duct cleaning worth it?
- It is worth it when the ducts actually have buildup in them, dust, pet hair, debris, or signs of pests. It will not fix a house that is dusty for other reasons, like a leaky filter seal or an old carpet. The best way to know is to have someone open a few sections and look before you pay for the whole job.
- What does air duct cleaning involve?
- A contractor connects a vacuum system to the ductwork, then agitates the inside of each duct with a brush or air tool to knock loose dust and debris so it can be pulled out. Supply and return vents get cleaned the same way. On most jobs the furnace or air handler itself gets a look too, since dust builds up there as air passes through.