How often should air ducts be professionally cleaned?
Answer
NADCA (the National Air Duct Cleaners Association) recommends professional air duct cleaning every 3 to 5 years for typical US homes. Homes with multiple pets, household members with allergies or asthma, recent home renovation or remodeling, smokers, or visible contamination (mold, vermin, debris) should be cleaned more frequently — typically every 1 to 3 years.
More context
The NADCA ACR Standard (Assessment, Cleaning and Restoration of HVAC Systems) is the industry reference cited by insurers, inspectors, and indoor-air-quality professionals. It defines what counts as a properly cleaned system and which triggers warrant cleaning.
iProDash's recurring service workflows automate this — schedule the next visit at the customer's appropriate interval when the current job closes, and SMS them a friendly reminder when the interval hits.
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