Overview: This case study reviews the performance of Thru-Wall, Cambridge Blow-ThruŽ Space Heaters installed around the perimeter of the brick building in Chicago. The requirements that had to be addressed by the Cambridge heaters at clothing
manufacturing plant are listed, illustrating the various system components and their functions. The paper highlights system's capabilities providing warm, balanced temperatures throughout the building even at the dock doors and improved ventilation and indoor air quality. A comparison is being drawn with traditional old gas-fired boiler system and explains how Cambridge Blow-ThruŽ space heaters helps in lowering operating costs with its low maintenance and fuel savings.