Do we have to cover all of our furniture before you come out to clean the ducts ? September 29, 2014 No Comments No because the dust is kept down to a minimum. Previous Post Next Post You may also like May 30, 2019 To Whom All Do You Provide your Duct Cleaning Services? September 29, 2014 Does Duct Cleaning make a lot of dust in the house ? September 29, 2014 What about companies that offer whole house duct cleaning for around $99?