Phononic announces that its Evolve 5.5 cubic-foot, compressor-free refrigerator has earned ENERGY STAR certification. Designed to provide cold storage for sensitive medical and scientific products, the Evolve refrigerator uses solid-state heat pump technology coupled with non-hazardous, non-toxic refrigerants to give medical facilities smart, sustainable, and precise refrigeration. The compressor-free design meets guidelines for the controlled storage of vaccines and pharmaceutical drugs, while reducing energy consumption.