Kaeser Compressors Inc. (Fredricksburg, Va.) has introduced the SM AirCenter series of air compressors. They are energy-saving rotary screw compressors featuring the company’s Sigma Profile airend. The SM AirCenter is available in 7.5-, 10- and 15-hp models that produce 16 cfm to 54 cfm at pressures of 80 psig to 217 psig. The device’s split cooling airflow design and insulated enclosure keep noise levels as low as 66 dB(A).