My husband built this for me out of boredom. We have a small island of land behind our house, and he managed to squeeze it in the middle of a circular drive. It has two decks, is an octagon shape, has a cupola on the top and was built entirely of recycled materials.
Ninety percent of the energy it takes to wash clothes is used to heat water. If you wash in cold water, you could save $40 per year if you have an electric water heater and $30 annually if you have one powered by natural gas.