Maytag. With a Water Factor of 2.7, the Maxima washing machine uses as little as 11.5 gallons of water, qualifying it for both Energy Star and CEE Tier 3 labels. The washing machine features front-load technology, which tumbles clothes through a small amount of water instead of rubbing them against an agitator in a full tub like most traditional top-loaders. A water level sensor matches water usage to load size, further increasing water efficiency. 800.344.1274. www.maytag.com.