You can cut your energy costs by up to 30{070d54550ee076f6d7b8749188f54c77e5ed136fd0d2e1e256b0e7cf06ef500c} with yearly cleanings.  You also save on costly service calls for frozen up units with preventative cleaning to ensure you are running at 100{070d54550ee076f6d7b8749188f54c77e5ed136fd0d2e1e256b0e7cf06ef500c} efficiency.  Once coils are cleaned, keep them clean with protective screens to ensure performance through out the year.n