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 How do I know if my ducts need cleaning ? September 29, 2014 What about companies that offer whole house duct cleaning for around $99? September 29, 2014 How much dust accumulates in a central heating system?