LAUNDRY HABITS When it comes to the tempera- ture setting on a washing machine, many people simply set it and for- get it. But water heating actually makes up about 90 percent of the energy it takes to operate a clothes washer. If you use the cold water setting on your clothes washer, that’s money in the bank (yours). Specially formulated laun- dry detergents are available for cold water washing. Here’s a few more simple laundry tips: Wash fuller loads so that you wash fewer loads. On occasions when you need to run a small load, set the machine to use a lower water level. Also, consider using longer spin times in the washer to reduce the amount of drying energy needed.