Solar Water Heater

Two generations ago, a household used the hearth to obtain the hot water, which takes wood and coal as fuels. However, the burning of these fuels would produce lots of greenhouse gases (GHGs), like CO2, leading to climate change. Now, with the use of solar energy and invention of the solar battery, installing the solar water heater on the roof, individuals can acquire hot water for needful things, especially shower. As we are known, solar energy is renewable energy, so it is no doubt that the use of solar water heater is more sustainable than burning the wood and coal.

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