It is estimated that 75% of the supermarkets in North America are closed to the public for 6 to 8 hrs at night. With little effort, these supermarkets could claim dollars that are lost during the stores’ closed hours from unnecessary energy consumption and premature spoilage of many perishable products.
Open refrigerated display cases are the best way for retailers to present fresh merchandise to consumers. Unfortunately, these cases are also open to the effects of heat and UV radiation from the store environment.