This opportunity involves replacing an aging Air Handling Unit (AHU) to restore reliable, code-compliant environmental control and support clean-room contamination needs for NOAA and NIST research programs. The project aims to reduce operational and contamination risk while improving energy performance and ensuring continued mission capability. Performance of services will be at the location specified in the full description. No specific budget amount or non-bid timelines are mentioned in the provided text. The work is critical for maintaining environmental stability and compliance with Federal, state, mechanical, and safety codes.