Free Power

For the last 15 to 20 years, more and more attention has been paid to renewable sources of energy. With the ever increasing problem of exhaustible natural resources and global warming, South Africa is in the favoured position to make use of its rich source of solar radiation. Eskom and Government have been advising people make use of renewable energy, and use electricity conservatively. In an effort to establish solar energy as a part of South Africa’s culture, Eskom has even gone as far as to subsidize solar geysers for South African households. You may wonder what exactly solar geysers are, and what benefits it holds for you, the consumer. Simply put, it remains one of the most effective ways of cutting your electricity bill in half.

By using this technology to heat your water exclusively through the sun’s energy, it prevents you from having to spend money on electricity to keep your geyser working properly, and heating your water by means of electricity. A geyser blanket used for additional insulation also helps to keep the heat from escaping from your geyser, which would raise your electricity even further. Installing a geyser timer is also another means of saving you money, all this in an effort to save you money by conserving energy.

How solar geysers work is that the water is moved around in a solar heating system by way of forced circulation, or passive circulation. With passive circulation the water rises naturally into the storage container above it after it is heated up in the collector. The cooler water in the storage container will flow down to the bottom of the collector which creates unassisted circulation. For this type of system to work correctly and circumvent reverse circulation at night, it is necessary that the collector be placed below the geyser. This type of system can come with inherent freeze resistance, making use of closed circuits between the collector and the geyser. How a forced circulation system works is that a pump works to keep the heat transfer fluid circulating between the collectors, and the heat exchanger in the storage container. A differential controller controls the pump itself. Due to the fact that the pumps used in forced circulation systems are small, there is no need for much power to be used.

If you are looking for a company that is committed to providing you with SABS approved suppliers of solar geysers and heat pumps, consider Ensav for all your needs. Their user friendly website will provide you with numerous suppliers in your area able to meet every aspect of your needs. Dealing only with the best of the best, you will have peace of mind that you are dealing exclusively with industry professionals.

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