About Us Ontario Duct Cleaning has been in the duct cleaning business since 1979. Our equipment processes allow us to clean virtually any type of duct system - residential, commercial, or industrial. By placing emphasis on fair pricing, good service and excellent workmanship; Ontario Duct Cleaning has gained a reputation for professionalism. Free Quote: Complete For A Quick Response Your Name: Address: City / Town: Postal: Your Phone No: You Email Address: Type of Furnace:                      -- Select -- Oil Gas Other No. of Registers & Returns: Do you have any questions about our service? Enter this Code: