The basic structure should be strong and capable of providing strength to the remaining parts of your home. The structure should be strong enough that will not deteriorate for decades. The windows and ventilators are most important part of your home. Windows allows light and fresh air to come in and ventilators acts as exhaust for hot air. The wall facing the north must be made of glass that would ensure maximum input of sunlight during winters and will keep house illuminated even in cloudy days. During hot weather you can block direct sunlight by using extended shades or eaves. In passive houses, wind is allowed to enter and exit through ventilators that are usually positioned at upper part of each wall. The mode of payments depends on the needs of household according to their priorities. Family size also plays an important role in low income home energy assistance program. 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. There are numerous sources of energy are available to make our living easier. Energy lights up our home every night, keeps us warm in winters, allows us to get entertainment. 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. Increasing tariffs of electricity is engulfing a large amount of disposable income. It's time to think different and consider other available energy sources that have several advantages over conventional energy. Since the beginning of human evolution, man has been searching for ways that could work efficiently for him with little effort. If you have applied for improvement tax credits, you could be decreasing your income tax amount by receiving certain amount of money to each of specific energy-efficiency improvement items installed or going to be installed in your house. Following are the energy-efficient home improvement items appropriate for the tax credits.