The fireplace serves to heat garden houses and today has become a fashionable detail of the residential interior, it creates a special unique comfort. Mini saunas are also of great interest. They can even be placed in the back rooms of a city apartment. The fireplace has been used to heat the dwelling since ancient times. Having gradually undergone significant changes, it has become a fashionable detail of a residential interior. Today it can increasingly be seen both in the city and in the village house, in cafes, at dachas.