A radiator is a device used to transfer heat from one medium to another. In the context of home heating, a radiator is a device that transfers heat from hot water or steam to the air in a room. Radiators are typically made of metal, and they have a large surface area to allow for efficient heat transfer.
Radiators are an important part of many home heating systems. They provide a comfortable and efficient way to heat a room, and they can be used in a variety of applications. For example, radiators can be used to heat homes, offices, and schools.