Domestic Refrigeration Benefits Cool Chips are superior for White Goods. Benefits include:+ Increased efficiency When compared to the best Embraco 115V compressor (COP of 2.09 at -23.4°C, 40.5° C), Cool Chips™ reduce the estimated average annual energy cost by >30%. Lowered initial costs Production cost for the cooling equipment within a full-size 18 ft3 refrigerator/freezer which meets U.S. DOE 2001 energy regulations represents a 53% savings + Based on 1998 work