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U.S. Energy Information Administration data shows that air conditioning is the most electricity-consuming device in homes, accounting for about 19% of total consumption, especially in hot regions. Air conditioners operate with capacities ranging from 2000 to 5000 watts. They are followed by electric water heaters and electric heating devices, each representing roughly 12% of total energy use, with power ratings between 3000 and 4500 watts. Contrary to popular belief, refrigerators consume less energy than commonly thought because they do not run continuously. The use of LED bulbs is now the most energy-efficient lighting option after traditional incandescent bulbs, which used to consume more energy. Desktop computers and laptops contribute variably to energy consumption, with laptops generally consuming less. Experts recommend upgrading old appliances, adjusting the settings on air conditioners and water heaters, and running washing machines only when full to reduce electricity use and lower monthly bills.
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