A dishwasher is a piece of equipment used to clean dishware and cutlery automatically. The dishwasher was first introduced by Joel Houghton in the United States in 1850. It was a hand-driven machine. Modern-day dishwashers use pumps and rotating spray arms. The power consumption of dishwashers ranges between 1200 and 2400 watts.
Enter the wattage, hours of usage and cost per kWh. The energy usage calculator for dishwashers gives you the total energy consumed by them. Also, you can find how much power does your dishwasher consume.
Energy usage of dishwashers
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Terms and definitions:
Wattage:
Power usage of the device in watts shall be mentioned on it’s label.
Cost per unit:
The average cost per unit charged by the electric utility. Every country has different tariff rates. Visit: Global Electricity prices for details if you don’t know how much the utility company charges you per unit or kWH.
Units per day:
The number of units of electricity consumed by the load every day considering the entered operation hours.
Hours of usage:
The number of hours the load is used per day.
The electricity usage depends on the wattage and the number of hours of usage. The utility company charges you for the total kilowatt-hour of energy you have consumed. Kilowatt-hour is the product of the power consumption of the load and the number of hours of usage.
Power consumption of dishwashers
A typical dishwasher consumes 1.8kWh of energy per hour of usage. That means an hour of usage can cost you 21 cents.
Dishwashers use hot water to clean the dishes. A mixture of water and detergents is sprayed over the dishes through spray arms. After the dishes are cleaned the water is drained. Apart from domestic use, they are also used in commercial establishments such as hotels and restaurants.
Energy-saving while using dishwashers
- Use the dishwasher in full load always.
- Lower the water temperature.
- Don’t heat dry instead choose air dry. This can lower the power consumption of dishwashers by 15%.
- Hand-wash the dishes whenever possible.
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