Infrared heating works because feeling warm does not depend on the temperature of the air. Just like the sun helps you feel warm on a cold day, infrared heating warms the surface of an object with infrared rays. Unlike other harmful rays such as x-rays or UV light, infrared rays have a positive effect on people. When infrared rays penetrate the skin they stimulate micro-vibrations, causing blood vessels to dialate. The results are revitalized tissue and improved blood circulation.
Infrared heating is used in many applications. Commonly used for spot heating areas such as a garage, workshop, or porch, they are also used to keep snow or ice from building up on sidewalks.