The Oklahoma Air National Guard is seeking proposals for a firm-fixed-price, total small business set-aside contract for base-wide HVAC replacement and repair in Tulsa, Oklahoma. The estimated construction magnitude is between $250,000 and $500,000. A site visit is scheduled for August 25, 2026, at the Commercial Inspection Facility in Tulsa, with pre-registration and DBIDS clearance required, though attendance is optional. Award will use a Lowest Price Technically Acceptable process evaluating price, technical capability, small business participation, and past performance. Offerors must be registered in SAM and submit required representations and certifications.