dishwasherA study of different companies manual dishwashing practices of different agencies showed that there are significant differences in the amount and the temperature of water used as well as the amount of dishwashing liquid used for the same amount of dishes. If you want you can learn more about efficiency of dishwasher at Naturally the dishwasher uses only half the energy, one-sixth of the water, and less soap, to boot. There are three main and very necessary factors we’ll consider: water use, energy use (for heating the water, largely), and the carbon footprint that results for the use of dishwasher.