Empire | American Hearth Boulevard Direct-Vent Linear Gas FireplaceBoulevard Linear Fireplaces are ideal for large areas such as family rooms, hotel lobbies, and upscale restaurants, providing the perfect size and scale. These fireplaces are customizable to match any dcor, whether traditional or contemporary, and come in a range of sizes, including 36 inch, 48 inch, 60 inch, and 72 inch for single sided fireplaces, as well as a 48 inch see through option. Your browser does not support our video. Features and Specs