How do solar hot water systems work?Solar hot water systems work by harnessing the sun's energy to heat water. Solar thermal collectors absorb sunlight and convert it into usable thermal energy, which is then transferred to a storage tank. The storage tank can be either an indirect or direct system depending on the specific application. In an indirect system, a heat exchanger is used to transfer heat from the collector to the storage tank, while in a direct system, heat is transferred directly from the collector to the storage tank. Heat stored in these tanks can then be used when needed for domestic hot water use or other heating applications.
Additionally, these systems are relatively efficient at transferring solar energy into usable heat – between 30% and 50% in some cases – meaning that more of the sun’s rays are converted into useful heat than other traditional methods. |
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