Ceiling panels, as well as sectional and cast -iron radiators — these are radiation type devices. The heat that they radiate proceeds in the form of thermal radiation. Convective radiation devices transmit heat using the convection process. It has the form of radiation, and the radiators themselves are made of steel or aluminum. At the moment, aluminum radiators are most common on the market, since they combine good design and high heat transfer, as well as a very small weight (one section — up to one kilogram).
