The rate at which the heat is transferred is governed by several variables such as the distance between the objects, the ∆T (delta T) or difference between surface temperatures and the absorption and emission properties of both objects.įor example, a person sitting 4 feet in front of the fireplace will feel much warmer then the person sitting 12 feet away from it. The basic concept of heat is that it is always emitted by hotter and absorbed by cooler objects, which makes the process of radiant heating and consequentially, radiant floor heating possible. Radiant heat is emitted equally in all direction and travels through space at a speed of light.
Radiant energy is also called thermal energy and is essentially infrared electromagnetic radiation which is unseen by a human eye and can only made visible with the help of an infrared camera.
Radiant Heating is a process where the energy in a form of heat is transferred from an object with higher surface temperature (such as a heating cable) to the object with lower surface temperature (such as floor).