Below is a list of Walk in Chambers manufacturers from Glendale Heights, Illinois. Walk-in chambers are environmental testing rooms that allow engineers to walk in and around the chamber itself, ranging from standing room only to those chambers having the capacity to test much larger products and components. Testing in walk-in chambers is used to determine product reliability and effectiveness, and to evaluate the results of environmental exposure on a product or material in order to identify manufacturing flaws and weaknesses in those products before they are released to the general market.