If you are living in cold environment then it is recommended to go for super insulation of your home. You can also lower your electric bills by bringing few alterations around your house. If living in warm climate then shade of a deciduous tree will be helpful in cooling down the surrounding area of your house. This program has especial eligibility criteria. First of you have to show as one economic unit. This economic unit can be present a single person or a group of persons representing one family. After that you must have a residential energy system either you buy it or take it on rent. In this program, grant is also awarded to those people whose has low income according to their set rule. 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. Before his inspection, you must have your own list of possible energy leakage problems. He can also report the mechanical efficiency of each device by measuring the input and output rate. However, inspectors visit every home for checking energy flow and consumption and energy rating. After getting data from homes, inspectors put it into file and compare the houses' energy consumption. They conclude which home is more energy efficient and which is not. They give suggestions to low energy consumption homes that how can they increase their energy consumption at optimal price. If you want to make your mobile homes cool, repaint your roof it will helps you a lot. 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. If we compare solar energy with electrical energy then solar energy is very cost effect. You can easily reduce your bill by using solar energy at your home. Another important feature of solar energy is that you have no risk. For using solar energy at home you have no need of wiring which is sometime very complicated.