The United States Coast Guard requires a firm-fixed-price contract to renew an AC condenser and flush the refrigerant side of a circuit for a cutter's chill water system in North Charleston, South Carolina. The work must be performed on the Coast Guard Cutter Stone. The period of performance is from March 30, 2026, through April 17, 2026. This is a total small business set-aside, and award will be based on best value, considering price, technical capability, and past performance. Offerors must submit a detailed narrative quotation, including any subcontractor information, and proposals must be submitted electronically on a firm-fixed-price, all-inclusive basis.