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Solar energy can be used in different ways during the construction of houses in order to conserve energy. Solar energy comes as a gift of nature and this makes it even more economical to use in our buildings. It is not only free but unlike other sources of energy; it also limits the amount of pollution caused to the environment. When building our houses the goal according to David Johnston and Scott Gibson is to create a house that consumes at least fifty-two percent less energy than one built conventionally with a corresponding reduction in the heating and the cooling cost.(Johnston, Gibson 252)This can be done through use of solar panels, solar water systems and photovoltaic. The above all rely on one source: solar energy which comes as a gift of nature.
Solar energy can be used to determine different things about our housing,” Solar energy figures out where our houses are to be located, the orientation towards the southern sun, where different rooms are and the size and placement of window overhangs.”(Johnston, Gibson 250)This small factors can determine how heated up our houses are or how easy it will be to cool our houses. It can also determine the amount of lighting that reaches our houses.
“Sizing south glass to capture as much sunlight as possible. Blocking summer sunlight with roof overhangs, shades and trees or vegetation. Choosing building materials for their mass and their potential to store solar heat in winter and to keep houses cooler in the summer.......” (Johnston, Gibson 252)

Solar water systems can be used to reduce the amount of energy used in the production of electricity in our homes. It is commonly used in countries like Australia, Japan and China. They are usually made in such a way that they deliver optimum amounts of water throughout the year despite variations in climatic condition. These different factors might therefore determine the types of systems used. In the case of cold climatic conditions there might not be enough...

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