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. Home energy saving devices are important in tow ways, fist is that it helps you to save the dollars by cutting down your electricity cost. 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. We should choose those drapes which cover the windows entirely and open them when the weather is sunny to naturally let the heat insulate our home. That way we save quite a handsome amount on heating systems. If you are not around, turn down the heating of your thermostat because even a centigrade lower equals to 2% of your saved energy. Energy has made our lives pleasant all the time without any difficulty. Today, it is quite hard to live without energy consumption for daily work. Sufficient energy is available for a lifetime but it does not mean that there is no need to conserve it. In any case, every technology has its own cost. And we have to pay for this cost with cash. Alternative energy sources are usually called as free energy because it continually produced via earth's natural processes. A conversion device or some kind of mechanism is required to utilize this free energy. 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. This is only possible if you have proper centralized air conditioning system. If your income is below the average then you can't afford this air conditioning system. Low income home energy assistance program facilitate the people in different ways according to the requirements. If people need cash for maintaining their system they give them cash.