28 Apr '13, 9am

GreenPointers: Water Heating

GreenPointers: Water Heating

Much of the energy used to heat water in homes is lost in long piping runs to sinks, showers and tubs located far from the water heater. Locating the water heater closer to the points where we actually use water reduces heat loss, gets hot water to the faucet or shower faster, and most importantly, reduces water wasted down the drain while waiting for hot water to come out of the tap. To reduce the amount of water wasted while waiting for hot water to arrive at a fixture, pay attention to hot water pipe layout and pipe diameter. Design the layout so that it has the shortest runs possible, and use the smallest diameter possible for the appropriate fixture flow rate. The system should be designed so that no more than two to four cups of water would be wasted by a person waiting for hot water at a shower or faucet. The most effective means of reducing energy and water loss is...

Full article: http://www.builditgreen.org/en/art/784/

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