— by type of installation, which happens under the tile, into a screed, under a tree, systems from icing. Under the tile you can put a system without screed, in which case they are placed under tile glue. The heating sections are installed under a screed with a thickness of 3 centimeters, this makes it reliable. Low power sections are put under a tree so that there is no overheating. Cables are used against icing, which heat the roofs, steps, threshold and much more.