The 375th Contracting Squadron seeks non-personal services for comprehensive preventative maintenance, inspection, and repair of three Carrier 19XRV centrifugal chillers and two associated Variable Frequency Drives. Performance will take place at building B1900 on Scott Air Force Base, Illinois. The contractor must supply all management, personnel, labor, tools, equipment, materials, parts, and supervision. Work must ensure continuous operation, reliability, and longevity per the Statement of Work and manufacturer standards. No budget amounts or performance timelines are specified in this notice.