A fireplace outer wrap configured to be located behind a mounting wall, the fireplace outer wrap having an outer-wrap opening facing outwards from an opening in the mounting wall. The fireplace comprises a flush-mounted assembly coupled to the fireplace outer wrap, including a surround structure configured to encompass a perimeter of the opening in the mounting wall and be positioned in front of the fireplace outer wrap located behind the mounting wall, and a bezel structure configured to fit within the outer surround structure. An inner edge perimeter of the surround structure and an outer edge perimeter of the bezel structure oppose each other and define a gap between the inner edge perimeter and the outer edge perimeter such that air can flow through the gap. An outside major surface of the surround structure and an outside major surface of the bezel structure are substantially co-planar with each other and with an exterior surface of the mounting wall.