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Cambridge Engineering has introduced a new line of Blow-Thru® Direct Gas-Fired Space Heaters designed to efficiently and safely heat smaller commercial and industrial facilities. The new line of space heaters, called the Cambridge SA-Series, uses the same technology as the larger ultra high-efficiency Cambridge S-Series, but is sized for smaller applications. The S-Series heater is documented to achieve 40 to 70% energy savings over other unit heaters or traditional boiler applications. Utilizing 100% outside air for efficient direct gas-fired heating, these heaters employ a proprietary stainless steel burner mounted downstream of the blower. The high-velocity blower achieves a 10-to-1 induction mixing ratio that minimizes stratification and increases throw, providing even comfort throughout the building. The unit can also be used to provide summer or winter ventilation. The SA-Series achieves 100% combustion efficiency and provides 160ºF maximum allowable output temperatures.