Heat Lamp bulbs are generally used to heat small areas such as bathrooms or garages, or to keep pipes from freezing. They are also used to warm small animals, such as chicks or reptiles. Sometimes, heat lamps are even used to keep food warm. The sole purpose of heat lamp bulbs is to create heat. The bulbs are usually placed in a light fixture that is most commonly ceramic, as the bulb's heat would melt a plastic fixture. The bulb usually has a metal hood or shroud; sometimes, the bulb will have a wire guard over it to keep people and animals from touching the bulb. The bulbs themselves are generally incandescent bulbs and can come in many different colors and shapes.
Heat Lamp bulbs are also known as infrared bulbs. They can heat up quickly, are energy efficient, and are inexpensive. Heat Lamp bulbs are different from bulbs whose sole purpose is to put out light because Heat Lamp bulbs have a lower filament temperature, which produces less light and more heat. The output of heat is determined by the wattage of the bulb.