Weiss Technik GmbH (a company of the Schunk Group) is a German manufacturer of environmental simulation equipment, climate systems, and thermal processing technology headquartered in Reiskirchen, Hesse. Founded originally in 1956 (with predecessor operations dating back to 1929), the company operates across 23 entities in 18 countries globally.
Weiss Technik develops standard and customized environmental test chambers, walk-in and drive-in climatic rooms, pharmaceutical stability chambers, cleanroom air systems, and industrial ovens, certified under ISO 9001:2015, ISO 14001:2015, and ISO 45001:2023.