Air Duct Cleaning near Farren Forest. I was called to a home where the residents were complaining about poor indoor air quality. Upon inspection, I found that the air ducts were dirty and needed to be cleaned. I also found that the air filters were clogged and needed to be replaced. After cleaning the ducts and replacing the filters, I tested the system to ensure that the indoor air quality was improved. The clients were grateful for the improved air quality.