Air-gas mixture is burned on tiles.

Infrared heaters

It shows the percentage of energy that has passed into heat, for heating the necessary zone, usually 80%. Gas heaters consist of a case where the air mixture is formed, and ceramic tiles, on which perforation is applied. Air-gas mixture is burned on tiles. There is another design — tubular heaters, consisting of a booby burner, with the same principle of mixing the air mixture and gases, and metal radiating pipes, where the burning of the air -gas mixture is underway.