Dimplex Sierra Linear Electric Fireplace Heater Wall/Built-in Touch Screen 60. The Sierra linear fireplaces are the perfect solution for any space. With the option of building it into your wall, easily hanging it on the wall, or attaching the table top stand, you will never have a problem finding the right place for the Sierra. Switch between three bed options – go contemporary with vibrant crystals, traditional with logs or choose a more adaptable option with pebbles for a traditional or contemporary look. Change the color of the ember bed, logs and flames to add that pop of color to any room. Create that cozy feeling with the touch of a button.