Do you need duct cleaning at all? If your house has ducts, the answer is yes. The ductwork of the average six-person home circulates 40 lbs. of dust through it per year—and plenty of that gets trapped along the duct walls, creating an even greater build-up over time. It only takes a year for a thin layer of dust to develop, and that’s enough to start causing a drop in HVAC system efficiency.
(This, by the way, is one of the reasons more homes today are built for ductless HVAC systems. No ducts, no need to clean them.)
We recommend our customers schedule duct cleaning in Glendale, AZ every three to five years. If you have never had your ducts cleaned, you’re probably overdue for this service. However, if you’d like some more solid indicators telling you it’s duct-cleaning time, we’ve put together a list of ways to tell.