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 No Comments Previous Post Next Post You may also like January 21, 2016 Are all your cleaning experts insured? March 22, 2016 Is there any price difference in getting ceiling duct cleaning? January 17, 2016 What would duct cleaning cost me?