Abstract: A hanger bracket for supporting duct having an extended plate portion configured to support a surface of a duct and configured to accommodate coupling of the hanger bracket to the bottom surface of the duct; a vertical back plate portion attached to the extended plate portion and configured to couple the hanger bracket to a side surface of the duct; a top plate portion attached to the vertical back plate portion and in parallel arrangement with the extended plate portion and configured to accommodate a hanger element passed at a side of the duct above the bottom surface of the duct in an offset hanger attachment; and at least one gusset portions attached to a back side of the vertical back plate portion and an underside of the top plate portion to provide structural support to the top plate portion.