Scientists and engineers are working to make these alternative resources perfectly functional for residential units and their production on commercial scale will bring down their prices soon. Moreover, these sources are eco-friendly and do not emit any harmful substances in air neither do they deplete natural resources. Germs on the clothes are eradicated through detergents rather than hot water. Also, try to make less use of washing machines as much as possible. Temperature reduction of the water heater also helps in cutting down the cost of your electric bill. Try to employ water heater jacket, which is economical and will surely yield to larger electric bill savings. Buy well reputed brand that guarantee quality and are most efficient, so that you won't repent at your investment. These devices are very simple to install under walls, floor and ceilings but it is advisable not to install them yourself, call a technician for installation of energy saving devices. Home energy saving devices is available in two categories in markets. Design your house according to the established standards of a passive house, which will moderate the temperature by repelling intense heat and wintriness externally. The wall facing the north must be made of glass that would ensure maximum input of sunlight during winters and will keep house illuminated even in cloudy days. Numerous ways have been derived for lowering home electric bills. 1. Good roof coating helps in deflecting heat. This ensures that your home would significantly maintain temperature on the inside. 2. The well insulated attic will facilitate you in keeping your entire house cool. Attic is one of the significant parts of any house especially in relation to cooling system. These auditors check the walls, ceilings, doors and every other prospect that can contribute to energy conservation. But if you want to save cost, you can perform an energy audit yourself. You first have to familiarize yourself with the procedure of energy assessment. Make sure to make a list of spots and ways you discover to improve energy usage.