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 22, 2016 Do you provide Duct Repair? January 21, 2016 How do I know whether duct repair is required? January 16, 2016 Can you take care of animal intrusion too?