Solar hot water refers to water heated by solar energy. Solar
heating systems are generally composed of solar thermal
collectors, a fluid system to move the heat from the collector
to its point of usage, and a reservoir or tank for heat storage
and subsequent use. The systems may be used to heat your
domestic hot water, swimming pool water, or for space heating.
In many climates, a solar heating system can provide between 50
percent and 90 percent of your total hot water requirements,
depending on the climate and the model of heater. In many
northern European countries, combined hot water and space
heating systems are used to provide 15 to 25% of home heating
energy. The initial cost of a solar water heater is higher than
electric or gas water heaters but you will definitely save money
over time. Some countries provide a rebate to assist with the
purchase and installation, as a solar hot water system has
significant greenhouse gas benefits. In the Southern regions of
Africa like Zimbabwe, solar water heaters