The U.S. Coast Guard is seeking a qualified mechanical contractor to replace failed refrigeration compressors and restore two air handling units (AH-1 and AH-2) to full operational service at Sector San Francisco Building 100. This is a small business set-aside, and the work must be performed in accordance with manufacturer recommendations, building codes, and EPA regulations. Site visits are available on Tuesday, July 7, 2026, and Wednesday, July 8, 2026. The government intends to award a firm fixed-price contract to the responsible offeror submitting the lowest-priced, technically acceptable offer. No budget amount is specified.