Can you provide heater unit servicing for residential ducts? Home » FAQs » Can you provide heater unit servicing for residential ducts? Yes, we have expert team of duct cleaners who work on heater units only. You can avail heater unit servicing for residential ducts from Marks Duct Cleaning Melbourne at an economical price. January 24, 2016 at 10:31 am No Comments Previous Post Next Post You may also like January 23, 2016 Do you perform carbon monoxide testing too? January 23, 2016 What if I am not Satisfied? April 22, 2019 Are your Technicians Licensed to Perform Duct Repair Service in Melbourne?