You really don't have to plug in the vacuum (one of the most wasteful uses of energy) to pick up every dog hair on the floor. For smooth surfaces, consider rubber-bristle brooms and a dustpan. After you use them, you'll wonder why you traded in brooms for vacuums in the first place. (If you really want to save time and energy, a dog with a long tongue will keep your kitchen floor clean.) A Swiffer works with electrostatic energy to attract dust.
Find out more about this book:YOU: Being Beautiful: The Owner's Manual to Inner and Outer Beauty