How To Know When To Clean Air Ducts. The epa does recommend cleaning ducts on certain occasions: Get results from 6 engines
When you keep the ducts sterile then there will be a few germs and less dirt in the air for your household breathes. Supply ducts push the conditioned air out into your home, and return ducts bring the old air back for filtering and conditioning. However, it's unknown whether sanitizing air ducts is beneficial for air quality, as many air duct cleaning companies like to claim.
To know why, read on… health effects of poor indoor air quality.
The nadca recommends air ducts be cleaned every 3 to 5 years. Use the vacuum hose to clean. Can create a much cleaner living environment; How often should you clean your air ducts?