Which Uses More Water: Dishwashers or Hand-Washing?
Many people are searching for ways to conserve natural resources and save money. The questions of water and energy usage in hand-washing dishes vs. cleaning them in a dishwasher have been widely debated. Does this Spark an idea?
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Hand-Washing
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If hand-washing is done by filling one receptacle with soapy water and the other with rinse water and using only that water to clean dishes, the process uses about half as much water as a typical dishwasher cycle. However, if the more common method of rinsing the soapy dishes under running water is employed, the dishwasher uses about 37 percent less water.
Dishwasher Method
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Since dishwashers typically heat water to at least 140 degrees Fahrenheit, they cut through grease easier and more deeply clean dishes than hand-washing at much lower temperatures.
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Hand-Washing Advantages
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Energy consumption is much less with hand-washing as no electricity or gas are needed to heat the water through the wash and rinse cycles or heat the air to dry the dishes.
Dishwasher Benefits
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Modern dishwashers generally have different settings that save energy. Using the short wash or energy-saving cycle significantly reduces energy and water consumption. Setting the machine to air-dry the contents rather than through heated air saves energy.
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References
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