Overview: This case study details how S-Series Blow-ThruŽ Space heating system custom designed by Cambridge maintains good indoor air quality and offset rising utility costs at indoor recreational facility in New York. The requirements that had to be addressed by the direct gas-fired, Cambridge thruthe-wall space heater installed at the recreational facility are listed, illustrating the various system components and their functions. The paper states how Cambridge helped contractors to minimize installation costs and also to maintain temporary indoor heat needed during winter construction. System's capabilities such as maintaining balanced temperatures throughout the building and its low profile design are also highlighted.