If Energy Star new homes is for new homes that follows the guidelines for energy efficiency. The WaterSense labeled homes is EPA's answer to reducing water consumption. Homes build according to EPA's specs use less water. And with installing Energy Star appliances, these homes get to consume twenty percent less water than a typical homes. According to EPA, the WaterSense homes save about 10,000 gallons of water every year. Translate that to the money you would save annually (not counting the use of less water, thus save the environment).
WaterSense labeled new homes are designed to reduce residential water use indoors, as well as outdoors, compared to typical new homes—allowing you and your family to enjoy all the comforts of home while using less water and energy, and spending less money on utility bills.
WaterSense labeled new homes help families save an average of 10,000 gallons of water and at least $100 on utility costs each year by including WaterSense labeled plumbing fixtures, an efficient hot water delivery system, water-efficient landscape design, and other water- and energy-efficient features.
We may have to wait (awhile) before we see new WaterSense labeled homes build for this area. Mind you...there's been 'only' one built in Northern Virginia, so far. However, for those who are interested in going forward. Go for it. It pays to save water. The incentive is there.