This RFP is a small-business set-aside for commercial services to troubleshoot, repair, and restore eight portable chiller units at Joint Base San Antonio (JBSA) Fort Sam Houston and Lackland, TX. Performance locations are 1555 Gott Street, JBSA Lackland, TX, and 2199 Storage Street, JBSA Fort Sam Houston, TX. The Lackland units are operating at approximately 50% capacity, while the two Fort Sam Houston units are non-operational and not connected to any facility. The contractor must provide all labor, materials, tools, transportation, and technical expertise for full diagnostics, pressure and leak detection, component replacement, and post-repair performance validation to return all units to manufacturer specifications. Funds are not presently available, so no award will be made until funds are available, and the Government may cancel the solicitation without reimbursement obligation; offerors must follow the solicitation’s instructions for proposals, questions, and the scheduled site visit.