The favorable atmosphere in the house, regardless of the weather outside the window, is a guarantee of the great mood and well -being of everyone inside. To date, some owners are trying to form an optimal microclimate in a residential building through air conditioning systems, as well as electric heaters. But this decision has many shortcomings. First of all, regular operation of such equipment is considered dangerous to human life and health. Secondly, due to the invariably increasing price for electricity, the use of such technology is considered unprofitable from the financial side. What to do to this situation? Practice shows that the most affordable and simple way is external insulation of the structure. This method has several advantages: