Some of the newer models have economical fans instead of heaters to dry the dishes. Air dry controls. These are special controls that allow you to eliminate the heat drying cycle. This can save up to 30 percent of the electricity used by the dishwasher. Short cycle selections.
Shorter cycles use less hot water and can be used for lightly soiled dishes.
Short cycles can save up to 25 percent of your water heating energy costs. Water heater booster. This allows for a lower setting on your home's water heater. Insulation helps maintain water temperature throughout the cycle, as well as minimizes noise. An Overflow Protector.