Thermal insulation of the floor

To everyone who lives in a private house or on the ground floor, the problem associated with the cold floor is well known. But if it is decided to redo the country house for housing, then such a problem rises in the first place. Warming the floor, you need to know what height you can raise the floor. If necessary, warm the floor in the apartment, it is not possible to raise it. From here it should be — dismantle everything to the ceilings, and after that the floor is installed.