The cold will not pass, heat will not leave

What you do when it becomes very cold in the winter? Possibly, include a heater or zataplivayete a fireplace if live in a country house. Despite a frost behind a window, the room is filled with heat. And comfortable temperature long enough will not abandon you even after fire will go out, or you will weaken energy of the battery. If our ancestors had to maintain heat in a fireplace constantly, today our dwellings it is possible to thank for energy efficiency plastic: last century polymeric materials arranged revolution in thermal insulation and became an integral part of constructions and the industries...