In addition to having a Water Factor of only 3.3, the W6884ECO washing machine saves energy by having two water inlet connections: one for hot water and one for cold. By utilizing the hot water already available in the home, the company claims users can save up to 60% of the machine’s electrical energy consumption. If the water needs to be warmer than the incoming hot water, the Energy Star–labeled washer heats it to the specified temperature. 800.898.1879. www.askousa.com.