Walls and ceiling insulation in your homes will surely help you to save electricity up to 30% on heating cost which equates to 15% of reduction in total cost of electric bill. Although, you need to spend money on insulating materials for different parts of home, yet it will be quite significant in coming days. But of course cost is attached to each and everything in life so these appliances do not work for free. They need food. Obviously! The electricity, which is getting expensive day by day; many people realize that they give a large slice of their disposable income in account of electricity bills. After all so many things in your life run on this costly energy source. As is said 'Necessity is the mother of invention', these alternative energy resources can really cut your monthly cost of electricity and gas bills. Most of these are onetime expense and you only have to bear fixed cost to enjoy peace of mind for the rest of your life. 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. Governments of some countries have even passed a regulation that requires people to build houses using clay bricks. If you plan your house design and building material rationally, you'll end up in saving many dollars monthly to spend that elsewhere. Design your house according to the established standards of a passive house, which will moderate the temperature by repelling intense heat and wintriness externally. Another thing which consumes energy a lot after air conditioning system is water heaters. They consume 14% of energy because of its high voltage. In mobile home we place water heater outside the home which takes more time and energy for heating the water. If you think you can cover the water heater but you can't do this for safety purposes. But there will be no comfort without cost. We require energy to keep the technological expediency in active mode. 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.