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Dishwashers: How much electricity do they use and how to use them efficiently?

By on May 27, 2022 with 2 Comments  

Most stereotypical maids in old bollywood movies were always shown as those washing utensils with their hands. Cleaning, rinsing and drying utensils were and are still very commonly done with hands. But slowly and steadily dishwashers have started entering Indian kitchens. Many people in metros and big cities have started buying dishwashers to make every day cleaning of utensils more automated and reliable. As adding any other appliance adds to the electricity bills, even a dishwasher adds significant number of units to the electricity bills every month.

What are the operations in a dishwasher?

A dishwasher operates a few automated steps in sequence. First it fills up with water and heats the water to a desired temperature. Then the utensils are sprayed with hot water and detergent, alternately draining and refilling the water. After the final rinse the utensils are air-dried or heat-dried. Any heating operation typically consumes a lot of electricity and so the heating of water and heat drying will consume a lot of electricity.

How much electricity do they use?

Dishwashers come in different sizes and they also have multiple modes in which they can be used. But a typical dishwasher would consume about 1-2 units per load on dishes (Source: Florida Solar Energy Center). We at Bijli Bachao also measured a dishwasher at a friend’s place recently and found that her dishwasher used 1 unit of electricity for the most optimum and energy efficient mode available on the machine. For a month of use, it would sum up to 30-60 units of electricity. You can find out how much a unit costs you by using our calculator: Online Electricity Bill Calculator – For all states in India.

Tips to save electricity on dishwashers

Following tips can be used to save electricity spent on dishwashers:

  1. Use dishwashers at a lower temperature setting. Heating consumes a lot of electricity and thus it is best to use dishwasher at optimum temperature setting. You can refer manufacturer’s recommendation in the product manual.
  2. Make sure that the dishwasher is full when used but do not overload it.
  3. Use air-dry mode to dry the utensils if there is one. Avoid using heating element to dry the utensils, as it will consume a lot of electricity. Opening the door slightly after the final rinse will dry the utensils faster.
  4. Try using the most energy efficient mode as mentioned in the user’s manual.

Using energy efficient dishwasher and using them efficiently will not just save electricity but will also save some water. And both are precious resources.

Best Dishwashers in India in in 2022:

  • BOSCH SMS66GI01I 13 Places Dishwasher

  • BOSCH SMS66GI01I 13 Places Dishwasher
  • The Bosch SMS66GI01I dishwasher is a great appliance for Indian kitchens. It is designed to fit all types of utensils, and the intensive Kadhai programme is perfect for cleaning greasy Indian utensils and oily masala stains. The dishwasher is also very quiet, with a noise level of only 52dB. It has six wash programmes and three options, as well as an express Sparkle programme that saves time. The dishwasher also uses 10 litres of water, compared to the 60 litres used when washing dishes manually.

  • BOSCH SMS66GW01I 13 Places Dishwasher

  • BOSCH SMS66GW01I 13 Places Dishwasher
  • The Bosch SMS66GW01I dishwasher is a great appliance for Indian kitchens. It is designed to fit all types of Indian utensils, and comes with a number of wash programmes and options, including an intensive kadhai programme that is perfect for cleaning greasy and oily masala stains. The dishwasher is also energy efficient and quiet in operation, with a particularly high life span.

  • IFB NEPTUNE VX 12 Places Dishwasher

  • IFB NEPTUNE VX 12 Places Dishwasher
  • The IFB Neptune VX dishwasher is a top-of-the-line appliance that offers superior performance and features. This dishwasher has a 12 place setting capacity, and can clean dishes in just 9 minutes using its powerful 2.2 kW motor. It also features two wash arms for thorough cleaning, and operates at a noise level of just 49 db (A), making it perfect for use in any home. Plus, the Neptune VX dishwasher is designed to be extremely energy efficient, using just 0.9 kWh of electricity per cycle.

  • LG DFB424FP 14 Places Dishwasher

  • LG DFB424FP 14 Places Dishwasher
  • The LG DFB424FP dishwasher is a great appliance for those who have a large family or like to entertain often. It has 14 place settings, which means you can clean various kinds of utensils at one go. And with its 9 wash programs, it can handle even the dirtiest dishes. The True Steam function helps remove tough stains, while the Turbo cycle gets your dishes clean in record time. Plus, the machine is very quiet 'only 44 db' so you won't be disturbed while it's running. The easy-to-use button controls make it easy to operate, and the minimalist exterior design makes it a great addition to any kitchen.

  • BOSCH SMS60L18IN 12 Places Dishwasher

  • BOSCH SMS60L18IN 12 Places Dishwasher
  • The Bosch SMS60L18IN dishwasher is a great choice for those looking for a quality machine that can handle large loads. This dishwasher comes with 6 different wash programs, so you can find the perfect one for your needs. The Eco Silence Drive ensures quiet operation, while the Inner Tub features a stainless steel or polinox finish to help keep your dishes looking great. Plus, the dosage assist basket and glass care system make it easy to get your dishes clean and sparkling.

  • FABER FFSD 6PR 12S NEO BLACK 12 Places Dishwasher

  • FABER FFSD 6PR 12S NEO BLACK 12 Places Dishwasher
  • The Faber FFSD 6PR 12S Neo Black dishwasher is a great choice for those looking for a quality, yet affordable dishwasher. This dishwasher comes with 6 washing programs and can hold up to 12 place settings. It's also very energy efficient, earning an A++ rating for energy efficiency. Additionally, the height adjustable upper rack and foldable racks make it easy to fit large items in the dishwasher.

  • IFB NEPTUNE FX 12 Places Dishwasher

  • IFB NEPTUNE FX 12 Places Dishwasher
  • The IFB Neptune FX dishwasher is a great choice for families with up to six members. It has five wash programs, including a hygiene cycle, and comes with a self-cleaning cycle. The height adjustable upper basket makes it easy to fit large utensils, and the two water shower arms provide good coverage. Additionally, the dishwasher features an LED indicator for rinse aid and salt refill, as well as child lock protection.

  • IFB NEPTUNE SX1 15 Places Dishwasher

  • IFB NEPTUNE SX1 15 Places Dishwasher
  • The IFB Neptune SX1 dishwasher is a great choice for families with up to six members. It has eight wash programs, and it uses just nine liters of water per day. It's also A++ energy efficient, which helps save on electricity bills. The upper basket is height adjustable, so you can fit in large utensils, and the quick wash program can get your dishes done in just 40 minutes.

References

http://www.fsec.ucf.edu/en/publications/pdf/FSEC-CR-1772-08.pdf

http://energy.gov/energysaver/articles/tips-kitchen-appliances

About the Author:
Abhishek Jain is an Alumnus of IIT Bombay with almost 10 years of experience in corporate before starting Bijli Bachao in 2012. His passion for solving problems moved him towards Energy Sector and he is keen to learn about customer behavior towards Energy and find ways to influence the same towards Sustainability. .

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