We talked about washers and water saving toilets, but there are some other things that save water in the home. Low flow fixtures for the sinks and showers, of course, but there are some other cool things you might want to think about. Green programs like for you to keep the water run distance under 30' between the water heater and the fixture that they serve so you don't waste water waiting for the heat to get to you. That could mean multiple water heaters or maybe a point of use model at a particular location. Another option is a recirculation valve. What these things do is pump the water from the hot side back into the cold side until the hot water reaches the fixture so none is wasted. You put the unit at the farthest fixture away from the heater. I heard that when they first started using them they had a little motion detector so that everytime you went into the bathroom it would come on automatically. Since you don't always use hot water on the way to the closet or to brush your teeth, a better option would be to just have an electrical button in a cabinet somewhere to manually operate it when you need it.
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