Protecting Our Environment

Solar energy is more commonly known to use solar energy to generate electricity. The energy of Sun, however, has been used for much longer to heat water and homes than for generating electricity.

The solar water heating system hot water heater consists of a holding tank, a solar collector and equipment to circulate the water. The heating system hot water can be either a direct or indirect.

In the direct system, water flowing through the collector is heated. In the indirect system, the fluid heated in the collector is passed through a heat exchanger in the tank retention, thereby heating the water in the tank. The holding tank is simply returned the water was heated or heated.

The solar collector, which is usually located on the roof heats the water. Normally, the sensor is a thin, box rectangular, with a series of pipes running through it, painted black for maximum heat absorption. The water runs through these black pipes heats. For the distribution of water, there is a low power pump, or it is carried by convection, which increases hot water and cold water wells. To reach the circulation by convection, the holding tank is placed above the collector, so that water rises in the holding tank as it warms up and the cold water sinks down to be heated. A low power pump can also be used to circulate water. Heat your domestic water with solar energy makes sense, because it is available all year. This you could save on utility cost of heating water, which represents an average of 40 percent of total household utility.

Solar energy for heating buildings The sun naturally warms buildings. It can also be done by design special buildings, or the use of solar collectors. Passive solar heating occurs in each structure, but can be maximized when a building is specially designed to capture the sun's heat. It involves the use of special materials in floors and walls of the building to store the heat of the sun.

The building is designed with many windows as possible facing toward the sun. This means that in the hemisphere north, the windows on the south and in the southern hemisphere to the north.

If the solar collector is used, the air passes thereby to warm, then hot air is passed in the house. The solar collector is also used to heat a liquid that is then passed through the pipes, which are often provided under the floor of the house, heating it. The result is a pleasant warmth, free and natural.

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