This project involves the inspection and maintenance of six chiller units and three cooling towers at Hanscom AFB, MA, with services performed at Buildings 1201, 1612, 1624, and 1630. The contractor must supply all labor, materials, and equipment to identify deficiencies and prevent system failures, complying with Massachusetts Building Code and federal regulations. The period of performance runs from 23 September 2026 to 22 September 2031, including a 12-month base year and four option years. A site visit is scheduled for 3 June 2026 at Hanscom AFB, with registration required by 1 June 2026. No budget amount is specified in the description.