Spirax Sarco USA announced that it has expanded its product line to include a compact, steam-to-water heat exchanger designed for installation in plants with limited floor space. The SpiraHeatTM heat exchanger provides maximum, instantaneous output of hot water at a constant temperature, while its innovative coil design allows the core unit to consume as little as 39 square feet of floor space. The new product, which also helps reduce plant energy costs by improving energy performance, is available through the global network of Spirax Sarco and its distributors.