This symbol indicates that a product has been manufactured with built-in energy saving features and advanced safety to minimize accidents. Most modern appliances come with the symbol which indicates that the appliance has built-in safety and consumes less electricity for the same purpose. Older gadgets and gizmos in the kitchen used to rely more on power, meaning the more powerful the better it is, sadly this also means they consume more electricity that has been resolved with better parts that need less electricity thus saves you money when the bill comes. You might find these products a bit more costly than traditional ones but they will make up for the cost in terms of savings on your energy consumption. They might also have less polluting components compared to your older appliances so be sure to check for the energy efficiency of appliances you intend to purchase.
New materials and technological advancements have made old technology more efficient thus for the same purpose, you get less power consumption. Just try to take a peek at the old fridge you have in the kitchen and take a look at a new one in the showroom, you’d notice immediately that the motors are way smaller in modern refrigeration units and the same goes for AC units for newer more efficient ones are coming out each and every day.