Dimplex 23-Inch Deluxe Electric Fireplace Insert - DFI23106A. DFI23106A. Fireplace Inserts. This Dimplex Electric Fireplace Insert gives your existing masonry or steel-lined fireplace new life with realistic flames and simple operation. Installation is easy, and in no time you will be enjoying a warm, ambient fire in your home. This electric fireplace insert from Dimplex has a patented 3D realistic fire effect, giving the fire depth and dancing flames. The flames can be used with or without heat, so the look of a wood fire can be enjoyed year-round. When the thermostat controlled, fan-forced 1375 watt/4695 BTU heater is used, the fireplace insert can heat a room up to 400 square feet. Once the temperature is set, the thermostat maintains the heat in the room. With 90 percent less carbon dioxide emissions than average gas fireplaces and no harmful particles, electric fireplaces are the safe choice for your home. This Dimplex DFI23106A electric fireplace insert only requires a standard 120V household outlet and includes a remote, allowing you to turn on the unit from the comfort of your chair. Installation is easy, only requiring a 120V household outlet, and in no time you will be enjoying a warm, ambient fire in your home. Minimum opening requirements (in inches): 12 D x 24 W x 21 1/2 H.