The purpose of this Invitation to Bid (ITB) is to establish a contract with pre-approved vendors to furnish all labor, supervision, equipment and materials necessary to replace and/or repair HVAC equipment, controls and related components at Miami-Dade County Public Schools’ facilities. Projects may include any combination of interior and exterior work involving all types of equipment. Vendor(s) shall also be required to perform all associated and incidental work, including, but not limited to, repair/replacement of chillers, piping, cooling towers and supporting structures, air handlers, controls, ductwork, unit ventilators, mounting structures, slabs, enclosures and incidental electrical work. This bid shall also provide a vehicle with which Miami-Dade County Public Schools may acquire HVAC equipment and parts from approved manufacturers and suppliers. Vendors may also be required to provide labor and parts for spot repairs on a time and materials basis.