You may wash your clothes with hot water—many people do. That could be a mistake. Modern washing machines, and modern laundry detergent, are designed to work well at cold temperatures. This means you could save a lot of energy, and money, by running most loads with cold water. This isn’t to say that you should never use hot water. Hot water works best when you need to sanitize something. Cloth diapers, medical scrubs, or clothes worn by sick family members are best cleaned with hot water. The same goes for anything covered with bodily fluids or grease. With those exceptions aside, though, cold water works better than you’d think. Here’s why.
Full story, here.
