|The invention of the dishwasher saved humanity millions of hours of labour. But dishwashers have also wasted millions of litres of water and pumped pollutants into the environment. These days many of these problems have been solved by advances in technology and there is a huge variety of dishwashers on the market today. In this guide we deal with the basic considerations involved in buying a dishwasher.
These days dishwashers come in a variety of sizes, but there is a standard size that kitchen cabinets are usually built for: 60cm wide, 86cm high and 60cm deep. If you’re renovating in a regular room, this will probably be the size you’ll opt for. But if you need to squeeze your dishwasher into a smaller space, there are now compact models on the market. And for big families there are much larger and deeper dishwashers available.
Water Efficiency in Dishwashers
These days environmental factors play a large role in the decisions people make about their kitchen appliances, and with dishwashers water efficiency is the most important choice. Depending on your country, there may be a rating system which tells you what kind of dishwasher is the most water efficient. The same goes for energy efficiency. The problem with some water-efficient dishwashers is that they don’t do an effective job on dirty dishes, but advances in technology have gone a long way towards solving this problem.
Hot or Cold Water?
Cold water connections only use hot water in necessary parts of the washing cycle. Because the dishwasher heats its own water, the hot water from your household system doesn’t get used up. This makes cold water connections great for families with small hot water systems. But these types of dishwashers are a bit slow, as they take time to heat the necessary water.
Hot water valves are connected to the household’s hot water tank, and use hot water through the entire cycle. This is quicker, as the dishwasher does not need to take time heating the water. But hot-water connection dishwashers can be less efficient and use up water needed by the rest of the house.
Dishwashers these days come with a variety of programs and settings. These allow to make the wash more powerful or more economical, depending on what your needs are at the time. The most advanced dishwashers will even sense the volume and state of the dishes inside them and automatically select the appropriate program.
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