This 20" Electric Fireplace Log set can be inserted into any fireplace, replacing existing wood grate, gas grate, burner or log set. Easy to install, this unit plugs into any 120 volt outlet to bring you the look, and feel of a real fire in a safe and clean alternative. Instantly retrofit your existing fireplace with a glowing electric log. Energy efficient LED technology powers these log sets. Just plug them into any 120 Volt outlet and turn them on for instant ambiance. No heater on this model log set.