Stone fireplace – The indoor heating device built on the wall, using combustibles as energy source, the interior of the chimney. Originated from western families or palace heating facilities. As its fuel is a renewable resource, it has been modernized and improved. It is still widely used in the West, especially in the higher education class that advocates the idea of environmental protection. Fireplaces are divided into two types, open and closed. The latter has a much higher thermal efficiency. Usually the installation of the fireplace is determined by the structure of the house itself. For modern fireplaces, there are generally two types. One is a simple steel structure fireplace, which is generally mass-produced by the factory. The other is traditional European style bricks. Stone fireplace, handmade by professional and technical workers.