For several thousands of years, human being has been harnessing the power of sunlight so as to provide our basic needs. The method by which primitive man used solar energy for heating, lighting, preparing food and bathing are not exactly as high-tech as we think of our modern methods but man already know where to turn for energy.
Onе оf thе safest and сlеаnеѕt ѕоurсеѕ of еnеrgу tоdау іѕ solar energy; However, ѕоmе people wоuld wаnt tо know іf it іѕ practical fоr uѕе аt home. Thе аmоunt of mоnеу wе рау mоnthlу аѕ bіllѕ fоr uѕіng thе соnvеntіоnаl electric еnеrgу саn bе іnvеѕtеd іntо ѕоmеthіng more рrоfіtаblе whеn we соnѕіdеr ѕоlаr power.
If the solar radiation provided by the sun is calculated, we would observe that it is enough to fulfil the planet’s requirement for a whole year. Moreover, solar energy already provides a great deal of power to the Earth by transforming through various natural means by heating surfaces, influencing weather phenomenon as well as photosynthesis thereby providing the plants with the energy required for growth.
With the entire challenges we are facing with respect to global warming and the startling increase in the rate of pollution caused as a result of greenhouse gases, solar energy and the methods used to harness it are becoming vitally essential to our future and that of our planet.
A solar water heater traps sunlight in a water sensor that heats the sanitary water. It is a simple and old system, now produced in series. A sensor of a few square meters oriented towards the south allows to heat the sanitary water and to save some of the energy used by the inhabitants.
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Flat plate solar collector is the most cost-effective and commonly used kind of solar thermal collector because it can be used to store solar energy for heating water for domestic usage.
Solar water heating is one of the most effective and cost-efficient use of solar energy. Most of the swimming pool require some form of pool heating which can either be for increasing the temperature of the pool during spring and autumn seasons or to maintain a constant temperature throughout the summer period when the pool is frequently used.
Today, lots of effort have been geared toward reducing energy bills. This is the case with most developed countries but most of them still struggle to keep up with this. While we all consider switching off lights and installing energy-efficient appliances as a way to save power, we fail to consider just how much energy the hot water system consumes.
The solar hot water heater makes use of the solar energy from the sun to generate heat which can be used to heat water for showering, space heating, industrial purpose as well as solar cooling. Solar energy is the major source of energy for our planet as it is responsible for the provision of energy for plant growth and providing the warmth which makes our planet habitable.