An electronic sub-assembly for an HVAC Controller includes a touch screen display and a printed circuit board. The touch screen display including a viewing side and a non-viewing side. A conductive trace is disposed on the viewing side of the touch screen display adjacent a perimeter of the touch screen display. The printed circuit board, which includes a grounding feature, is positioned adjacent the non-viewing side of the touch screen display. A connector is in electrical communication with the conductive trace and the grounding feature of the printed circuit board.