Below is a list of Quartz Heating Elements manufacturers from St. Louis, Missouri. Quartz heating elements are typically used in infrared heaters and provide a source of rapid heating. Quartz infrared heating elements run electrical currents through specially prepared resistors in order to convert electrical currents into infrared rays. These infrared rays vary in wavelength depending on the application and the distance.Quartz heating elements are most often used in industrial applications since they are able to provide faster process speeds.