With the impending phase out of R-22 looming, the price and availability of the product will soon make it impractical to use. With virtually tens of millions of R-22 designed A/C systems in operation, refrigerant users and equipment owners will need to employ a number of alternative options to satisfy their cooling needs. Due to the special application designs and cooling requirements found in mutli-family structures, property management companies are faced with a unique set of challenges in maintaining their cooling equipment and fewer practical options.