Appliances Dryers: Use your dryer after 8 p.m. when electricity demand is less. Using an outdoor clothesline during summer will save substantial electricity. Don't overload the dryer and dry one load immediately after the other. Be sure to keep the lint filter clean to improve efficiency. Vacuum the dryer exhaust hose once a year. When shopping for a new dryer, look for one with a moisture sensor that will shut off automatically when clothes are dry. More Wring out or spin dry clothes as much as possible before drying. Sort clothes into heavy, medium and lightweight loads since the lighter loads will dry more quickly than mixed loads.