— the presence of a high level of heat loss.
— Poor quality thermal insulation.
It is typical that when the first cold -heating, the central heating batteries work very poorly, so we take out warm things from the closet and, of course, turn on the heaters to warm our home. Then, along with the advent of winter, cold air appears, which penetrates through the joints of the wall panels and through the window slots … and the amount of the heating account at this time begins to grow exponentially.