How long does the duct cleaning take ? September 29, 2014 No Comments Estimated Time on the job is between 1½ To 2½ Hrs. Previous Post Next Post You may also like August 18, 2018 Do you guys sanitise and deodorise the ducts after cleaning? March 12, 2015 Can you do carbon monoxide testing? September 29, 2014 What is a normal price range for an air duct cleaning service?