The first thing we remember when the word "comfort" is the heat that should be in the house, and not only metaphorically, but in the truest sense of the word. The homeowner should think not only about different ways of home heating, but the maximum conservation of heat. To reduce heat loss to zero hardly possible to achieve a significant reduction in heating the street is quite real. The outer surface, such as Foundation, walls and roof, have the largest area of contact with the external environment.