The Department of Defense, through the 55th Contracting Squadron at Offutt Air Force Base, Nebraska, is seeking potential sources for the upgrade of HVAC control systems, specifically the replacement of outdated Excel 5000 series controllers. The project involves replacing these controllers with compatible Honeywell Tridium N4 products, updating the control system's programming and database, and ensuring compliance with cybersecurity standards while minimizing disruption to facility operations. This upgrade is critical for maintaining the functionality of HVAC systems that support mission-critical operations, as failures can lead to delays and emergency repairs. Interested parties are encouraged to submit their capabilities by 1:00 PM (CST) on November 14, 2024, to the primary contacts, Jose Buenaventura and Austin D. Palrang, via their provided email addresses. Note that this is a sources sought notice for planning purposes only, and no funds are currently available for this effort.