Seifert is an established global thermal management systems company. We design and manufacture heat exchangers, air conditioners, fan trays, controllers, heat sinks, and thermoelectric products for the Telecom, Industrial, Medical, and Electronic industries. We have a standard product line and also have the capability to co-develop modified and, or custom designs to meet your special application requirements. Seifert began as a manufacturer of heat sinks in 1965 under it’s founder and still president Rolf Seifert. We pioneered the development of air conditioners for control enclosures for industrial/machine control applications. Seifert was one of the first major suppliers of heat exchangers for the outdoor Telecom equipment market. Ennepetal, Germany.