Now we consider the distribution of the internal space of the Izba, in the ground floor is present the day part of the house, where the people spent the large part of the days and in the upper floors there is the night part of the house, because we know the principle of the thermodynamics of the flux of heating, go from the own in the upper part of the house in the time. So much rooms are present in the floors, and the most important room have a position in the middle area of the floor of in the South Pole, for the reason explicated before (Solar Gains and temperature control). The picture below show the map of the typical Izba house.