The greatest benefit is of course no monthly bill; all you have to bear is onetime expenses of erection. If you think for a second about the greatest source of energy, you might probably end up concluding it's the atomic power. Think again! Don't forget to regard the greatest fire ball that is providing energy to all beings on Earth. 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. Sure you can't produce electricity yourself but there are some changes that you can make to cut your energy costs. Dilapidated cooling or heating systems consume considerably higher amount of energy than the newer ones. Determine whether you really need to replace your system. It is advisable to take services of professionals as they can accurately measure air filtration, heat conduction, energy input rate and R-value (rate of resistance) of various components. Use roof cavity that is connected with the walls or roof top of mobile homes. It makes your home cool and also reduces the consumption of energy. Use of air conditioning system during hot season affects your electric bill a lot. So you need air condition system which has lower energy consumption but has good results. Removing leaks around your house will also help in controlling energy lost and hence higher bills. These leaks have plenty of contribution in high cost of power bills. These are the possible ways for air to go in and out of the house. This ultimately increases the workload heating/cooling system of house. They want the ways to lower electricity bills with optimum utilization of energy. There are two ways to get out of curse. One is the minimum use of electricity equipments. Controlled use of these devices will result in lowering electricity bill. Other way is the use of home energy saving devices. By replacing and adding home energy saving devices will not only help you the efficient and effective energy use but also cut down cost of electricity usage considerably.