The City of Tucson has awarded a contract to Oracle Energy Alliance, LLC for the filter replacement and maintenance of air handling units. The contract includes the replacement of filters at various locations, with prices ranging from $4.00 to $15.00 per filter, depending on the location and type of filter. The contract also includes provisions for cooperative purchasing, credit card payments, and discounts for early payment. The total annual cost for the contract is estimated to be around $750,000. The contract is for a term of 5 years, with the option to renew for an additional term.