How Does a Dishwasher Work

Article guide before you buy a right Dishwaher

Everybody knows how a dishwasher functions. Put the dirty dishes inside, switch it on, and then they will come out clean. However, what many people may not know is precisely what happens during the cleaning process. This kitchen appliance does a relatively complex series of actions to ensure all your dishes come out clean and smell fresh. However, the mechanisms behind them are quite straightforward. A lot of dishwashers available on the market follow a similar step process.

Keep on reading to know how does dishwasher works.

  1. Put in Water: Actually, this does not fill up the unit, instead of a shallow sink below the dishwasher.
  2. Heat Water: This is performed with a heating element provided that it is at the bottom of the unit.
  3. Put in Dishwasher Detergent: The cleaning solution is automatically added at the right phase of washing through the integrated timer or computer.
  4. Wash Dirty Dishes: The cleaning solution and the heated water is pushed to the spray arms, and the pressure causes them to turn and spray water with adequate pressure to ensure the dishes are thoroughly clean.
  5. Flash out Dirty Water: Wash dishes. Clean water is a supplement and heated, however this time no detergent. This water is pushed through the spray arms to ensure there’s not dirt and detergent left.
  6. Drain Water: What is more, a dishwasher monitors itself to ensure the whole thing is working just fine. A small computer or a timer controls the length of every cycle. There is also a sensor that detects the temperature of the air and water to avoid the unit from damaging the dishes and from overheating as well. Another sensor indicates the water level and sets off the draining function keeping the dishwasher from unexpected overflowing. Today, you can find a unit that is integrated with a sensor that can sense the water’s dirtiness from the dishes. Once the water is clear, the unit knows the dishes are spotless.

Dishwasher Types

Getting a dishwasher is a huge investment; therefore, you must purchase the one which suits your dishwashing needs and perhaps more. In today’s world, dishwashers not just provide better sanitation to your dishes but also noise-free, more streamlined, and can serve as a drawer, sink, or cabinet in your kitchen. Knowing the different types of the dishwasher will assists you choose the best one for you.

Built In Dishwasher

One of the most popular types of dishwashers today is the built-in standard dishwasher. This is the common dishwasher found in households at this point. It occupies a fixed area in the kitchen and is built-in with a drop-down hinged door. A lot of built in standard dishwasher integrated with a stainless steel finish that has a cabinet style.

Therefore it can be mixed easily with your kitchen. It is able to handle up to 2.4 gallons of water to wash all your dirty dishes. This kind of dishwasher is ideal for people with a spacious kitchen, washes big volumes of dishes, and who prefers the standard pull out dish drawers.

Countertop Dishwashers

Countertop dishwashers are a small dishwasher sitting on the countertop or another flat surface. This unit has many the same abilities as a full-size unit. However, it is more portable, compact, and, most of all, save a lot of energy.

This type of dishwasher is ideal for a small family, couples, and even single. It is made to occupy a small area on the kitchen countertop, usually right next to your sink, as it usually hooks up the faucet for its water source. Also, you need a power line close by to run the dishwasher. Ensure that you hook the water pipes up tightly to avoid flooding. Also, you need to make some space in your sink for the draining pipe.

Like most types of the dishwasher, the countertop dishwasher works on the tablet type detergent and a combination of soap and rinser. Operating this kind of dishwasher is also very easy. Prior to putting in the used dishes, ensure that any leftovers are removed. Arrange then properly to make sure utmost cleaning efficiency.

Portable Dishwashers

A portable dishwasher is a ticket for a more permanent and heavier dishwasher for those with small kitchen space. This unit range from a slim 18 inches to an utmost of approximately 24 inches for the more large portable, and most all it is less expensive.

The portable dishwasher comes with a wheel that you can roll to the storeroom after using it. It is easy to maneuver. Usually, a portable dishwasher has two rolling baskets for placing dishes into. Usually, they do not boast the usual whistles and bells for more spacious units but have enough settings to select from. Some units have intense cycles for pans and pots, while some provide an option for boosting the water temp when the water supply is low.

Dishwasher Advantages and Disadvantages

Like other types of kitchen appliances out there, dishwashers also comes with pros and cons. Let us check the advantages and disadvantages of this unit.


  • Time-Saving

Maybe the most common perks of the dishwasher are timesaving and convenience. Rather than standing over your sink, rubbing, and rinsing all your dishes manually, load glasses and plates into the dishwasher, switch on and allow the unit to work. Using a dishwasher can save you 230 hours yearly. It also keeps dishes cleaner.

  • Energy Savings

Aside from convenience and personal time, it also lessens the use of electricity and water. An energy-certified dishwasher saves you USD40 per year in utility bills and utilizes virtually 5,000 gallons of water a year. Aside from saving time, it also protects the environment. It also reduces pollution.

  • Kitchen Looks Tidier and Cleaner

Having a kitchen sink packed with dirty dishes looks annoying. This can also give off a foul smell. Instead, ruck your dirty plates and mugs away into the dishwasher, so your kitchen smells and looks cleaners. With this unit, it is easier to keep that dirt and grime tucked away.


  • Damage Glass and Plates and other Dishes

This unit disinfects dishes efficiently compared to hand washing. However, it does have restrictions. There are instances even the best machines can’t get rid of dried-on food debris, needing you manually the item or run in the machine once more. Not all units are safe to use. Crystal and fine china, nonstick pots, knives, and items made of wood can harm the unit. If you don’t properly load the dishwashers, aside from dishes not get cleaned, it can also damage items.

  • Regular Maintenance

Dishwasher requires regular maintenance, which is expensive. If you don’t have the skills or know-how about the parts, you need to call a dishwasher expert to do the maintenance.

  • There are Tableware that Won’t Work.

There are cups, plates, as well as mugs that aren’t just dishwasher safe, so meaning you need to clean them manually. Thus, you might not have much free time with your loved ones as you initially thought.

  • Consume Electricity and Water

Dishwasher not just consumes water but also electricity. That is why you need to find a product that is energy certified.