Home appliances can add to or detract from a home's overall energy-efficiency. The best way to know that a home appliance is designed with energy-efficiency in mind is to look for the ENERGY STAR® label. This label means that a product meets strict energy-efficiency guidelines set by the U.S. Environmental Protection Agency and the U.S. Department of Energy.
An appliance has two price tags: what it costs to purchase and what it costs for the energy (and water) to operate it. ENERGY STAR-qualified appliances incorporate advanced technologies that use 10 to 50 percent less energy and water than standard models. The money saved on utility bills can more than make up for the cost of a more expensive but more efficient model.