Part of Bobby Ray Elementary School should be cool this summer and warm this winter. One of the school’s four buildings will receive a $326,000 upgrade to its HVAC unit.The county Financial Management Committee met Thursday and approved Warren County Schools spending of funds to upgrade the school’s heating and cooling unit on Building B by awarding the project to Warren Mechanical Contractors, Inc. The base bid was $319,800 with an associated alternate bid of $6,200 for removal of the existing condensing units from the roof.“We had two bids,” said Director of Schools Bobby Cox.