Closing the door on your dishwasher doesn't directly save water in the sense of reducing water consumption during a single cycle. However, it does prevent potential water waste and energy inefficiency caused by leaks or improper operation when the dishwasher door is left open.
When the dishwasher door is closed properly:
Leaks are minimized: If the door is not closed correctly, water can leak out of the dishwasher during the wash cycle, leading to water wastage.
Proper operation: Closing the dishwasher door ensures that the appliance operates as intended, maintaining the water within the unit and directing it efficiently to clean the dishes. If the door is open during the cycle, water may not reach the dishes effectively, leading to poor cleaning results and potential rewashing, which would consume more water and energy.
While closing the door itself doesn't directly save water, it contributes to the overall efficiency of your dishwasher, preventing water wastage, and helping to ensure that you get the most out of each cycle without needing to repeat it. Additionally, using a dishwasher for larger loads of dishes is generally more water-efficient than handwashing smaller loads, making it an environmentally friendly option when used properly.