Depending on the appearance of the firebox for fireplaces, you can divide into open and closed. An open firebox allows you to admire the dance of the flame in the open hearth, hear the crackling of firewood, but the heat transfer of such fireplaces is extremely small - only 20%. At the moment, a fireplace is not only a means of luxury, but decoration of the interior, the ability to bring comfort and at the same time a piece of riot of cave flame. In addition, a fireplace can also serve for heating the house, for these purposes, wood fireboxes are not rarely used for fireplaces.