On the other hand, government is constantly telling the public that the search for other energy sources may not be economical too. At times, the cost of one type of unconventional energy source is just not reasonable enough to be surveyed by the government. There is also the difficulty of transition from the usual energy sources to the unconventional one. 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. For this purpose examine your air conditioning system once in a week and check the sealing of air duct. Now-a-days, numerous alternative energy devices are available in the market. You can bring into play any one of your choice and suitability in order to make your house an energy efficient place. You should be thankful to ever growing and evolving technologies, which help people in making houses with good power efficiency. Proper painting of walls and roofs will further help you in extra savings on electric bills. You can also cover your windows with synthetic/plastic coatings to provide additional insulation. Seal the leaks all around your house and make it sure that the heat will not go outside. Leaks may come from doors, joints, windows and sills etc. The air crosses freely and eliminates the need of an Air conditioner. In summers the openings must be reasonable so as not to incorporate heated air. An significant concern in passive houses is insulation that acts as a barrier between internal and external temperatures of house. When the wind is too icy, insulated ceilings and walls maintain rooms' temperature and keep it from falling. You just need determination and understanding to save energy. These tasks are not hectic or costly; you just need to pay proper attention towards your daily chores. Do not turn on lights during day time. Make the efficient use of sunlight during day time. Use solar energy bulbs in your home gardens and street lights that are charged during day and give you light at night.