Back to Top of Page Refrigeration Perform scheduled maintenance on units. Clean evaporator coil and condenser. Check the levels of oil and refrigerant. By Industry Grocery Stores Replace older, open display cases with energy-efficient models that have glass doors. Add floating head pressure controls to reduce the refrigeration system's condensing temperature.
Restaurants Keep appliances clean.
Food and grease buildup makes equipment work harder and use more energy. When purchasing a new gas cook top, look for burners that can be removed for easy cleaning. Keep gas flames adjusted. Properly adjusted gas flames should be completely blue. A yellow-orange tip means that some of the gas is not being burned.