Infrared heatersare the acquisition of KRELUS a Swiss specialist in this technology. For more than 40 years, Krelus has been offering high-performance infrared heaters based on innovative technology. Leister’s KRELUS infrared heaters emit medium wave infrared radiation. This is particularly well absorbed by plastic, paper, wood, and water. Special metal foils are used as emitters to ensure homogeneous energy distribution and high efficiency.