This is a Sources Sought Notice for market research, not a solicitation. The requirement is to replace an existing 15-ton HVAC system in Building 4983 at JBSA Lackland. The contractor must provide all personnel, equipment, and supervision to decommission the legacy R-22 system and install a new code-compliant system with Direct Digital Controls. No submission deadlines or budget amounts are specified in the description. The location for performance is JBSA Lackland.