This is a Sources Sought Notice for market research, not a solicitation. The requirement involves the life-cycle replacement of HVAC systems at Buildings 590 and 591, including all personnel, equipment, and materials for a fully operational system. All work will be performed for the 502d Civil Engineer Squadron at JBSA-FSH. Interested parties must review the attached draft Statement of Work and return a completed Request for Information and capability statement to the listed points of contact. No budget amounts, submission timelines, or bid deadlines are specified in this notice.