How can duct cleaning improve the air quality inside the house? September 7, 2017 No Comments Ducts are the refuge of dust, molds, fungus, etc, and these toxicants pollute the air inside the house. By cleaning the ducts, you can keep the arena of your place fresh. Previous Post Next Post You may also like September 29, 2014 What is a normal price range for an air duct cleaning service? September 29, 2014 How long does the duct cleaning take ? September 29, 2014 How much dust accumulates in a central heating system?