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 long does the duct cleaning take ? September 29, 2014 Will HVAC system cleaning reduce our home energy bills? September 29, 2014 Does Duct Cleaning make a lot of dust in the house ?