Profile: Luwa Environmental Specialties, LLC designs and manufactures a wide range of controlled environmental chambers. We offer walk-in cold rooms, walk-in freezers and vaccine storage chambers. Our walk-in environmental rooms include walk-in temperature chambers, humidity chambers, walk-in incubators, ICH stability rooms and shelf life study chambers. Our ICH stability chambers have modular metal skinned panels with urethane insulated tongue and groove construction for chamber enclosure.