Another important point is the organization of the chimney. All isolating heating devices, but many do not pay attention to brick chimneys, considering the brick firewood. The chimney installed near the combustible structures is a serious danger for the building. Sazha accumulates in the chimney, and it tends to ignite it. This can cause a fire. Such important points cannot be treated negligently and if you do not have enough knowledge, it is better to contact the construction company after all.