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Dishwasher vs Hand-washing – which uses more water and costs more?
Reckon washing up is the greener choice? You might be surprised! We’re breaking down water use and costs to see which method really comes out on top.
Most people think of their dishwasher as a handy time-saver that keeps them from scrubbing at the sink. And that’s true – it’s a big win for convenience. But the real perks? They go way beyond freeing up your day.
A dishwasher isn’t just about saving time – it’s about saving water, cutting energy costs, and keeping your home hygienically clean. It’s the ultimate after-dinner helper.
Sparkle without the spend
Think dishwashers are just about saving time? Think again - they also use a lot less water than handwashing. The latest models from brands like Bosch, Hisense and AEG use far less than doing the dishes yourself. We’re talking a fraction of what you’d run through the tap. A full cycle might only need around 10 to 15 litres, while tackling the same load at the sink can easily guzzle over 100 litres. So, not only do you get sparkling dishes, but you’re also cutting down on waste too.
Clean plates, cleaner planet
Heating water is where most of the energy goes, whether you’re washing up by hand or using a dishwasher. Here’s the clever bit – because today’s models like LG and Smeg are designed to use much less water, they need far less energy to heat it. In fact, for a full load, a dishwasher can use around three times less electricity than doing it all at the sink.
Say goodbye to germs
Hot water is great for cleaning, but your hands can only handle so much heat, which means washing up at the sink rarely gets dishes truly sanitised. Dishwashers use higher temperatures that kill far more bacteria, leaving everything hygienically clean. A normal cycle reaches around 60 degrees, while sanitising and rinse cycles can climb to 65–80 degrees, and some machines go even higher. Plus, sponges and dishcloths can harbour germs like E. coli and Salmonella, so letting your dishwasher do the hard work is a much safer bet.
So, it’s not just for plates and glasses. From cutting boards and pet bowls to fridge shelves, your dishwasher can help tackle some of the toughest germ hotspots around your home.
