Radiators are called heat exchangers. They transfer thermal energy from a single medium to the other for cooling purposes. Most of the radiators are used in cars, buildings and electronics. Radiators act as a source of heat to the environment. The radiator plays a vital role in heating or cooling the surroundings. The radiator transfers heat via convection rather than thermal radiation. If you already have radiators in your house, your house may feel cold because radiators remove the side heat ...