This is a pre-solicitation announcement for an HVAC replacement project at the Rodriguez Army Health Care (RAHC) Building 21, located at Fort Buchanan, Puerto Rico. The government intends to award a firm-fixed price contract as a 100% Small Business Set-Aside. The solicitation is expected to be posted on or about 20 July 2026, with a closing date on or about 19 August 2026. No budget amount is specified in this announcement. The contractor will be responsible for providing all labor, equipment, materials, and supervision necessary to complete the work per the Statement of Work and drawings.