Presolicitation notice from the Department of Defense, specifically the Department of the Army, is seeking a contractor to provide HVAC system services in Smithfield, Pennsylvania. The services include the removal of variable refrigerant flow systems (VRF), installation of mini split ductless systems, and installation and programming of HVAC control systems. The contractor is responsible for providing all necessary resources and materials for the project. The quantities are estimated, and the contractor must conduct a site visit to verify dimensions and quantities before ordering materials. The work must comply with various specifications and regulations, including the Unified Facilities Guide Specifications (UFGS), Unified Facilities Criteria (UFC), Army Regulation 420-1, Resource Conservation and Recovery Act (RCRA), and Safety and Health Requirements Manual (EM 385-1-1).