SMS and Fraser-Johnston are proud to present the most economical first-cost option for commercial comfort cooling on the market today. For 15 to 27.5 ton applications- the Fraser-Johnston® Relia™ Choice commercial rooftop units deliver 15% higher IEER ratings than some competitive high efficiency units at a weight up to 22% lighter than competing products. Fitting on legacy Trane and Carrier footprints without transition curbs, these units are perfect for contractor direct replacements.