Now, this energy utilization costs money in form of electric bills and it is not easy to get money. People always struggle for finding means of saving money whenever possible. Mostly people avoid the spending of money uselessly. Even millionaires go for saving as much money as they can to maintain their lavish lifestyle. You can reduce a great deal of your home energy expenditure just by turning such appliances off when you really do not need them. Now, come to the kitchen, where appliances count for 26.7% of total home energy expenses. Obviously, you may not turn off your refrigerator when you are out of the house, could you? Be sure to make the right decision regarding building material that can ease your life in future. Lightweight construction material can contribute greatly to your monthly electricity bill. How? Extreme weather conditions require indoor adjustment of temperature that result in installation of multiple cooling units and electric heaters. Any crevices or gaps in walls, window panes, after split units, holes in cupboards or in walls can fairly raise the cooling and heating requirements. Check for any such cracks in your house and fill them up, which can reduce electricity usage by almost 30% a year. Examine each wall, door, ceiling separately and don't forget to take a look at fireplace dampers and switch boards too. There are ways to save home energy consumption every day by reducing the phantom power created by these devices. One most sensible way to unplug switch when the machine is no longer in use. Usage of six ways out lets is another way to minimize phantom power. Home energy saving devices has 80% efficiency it means, these energy saving devices will allow you to save your electricity bill up to 80% monthly. Since the beginning of human evolution, man has been searching for ways that could work efficiently for him with little effort. The invention of wheel, lever and other simple machines gradually gave rise to modern developments and advanced energy production plants. Windmills have been in use for many decades and used to provide energy to grinding mills.