Using the sun to heat water is not a new idea. Solar power has been used for years to heat water for homes and companies around the world. In several countries, like Israel, photo voltaic hot water systems are nowadays obligatory for residential usage.
With energy rates growing, experts state that sun water heaters now pay for themselves within 4-8 years!
Obviously, the top reason to install a sun water heater is the positive impact regarding environment - no fossil fuels or nuclear used to generate the energy to supply your home with hot water - only pure power provided from the sun.
A pv driven water heating system, is made up of a solar heat collector, housed in an insulated framework, one surface of which, is made of toughened glass that faces the photo voltaic's arc. The complete unit, or solar panel, must be located in an clear, elevated site in order to catch the maximum quantity of daily sunlight. Based upon heating requirements, a group of photo voltaic panels might be placed in parallel. Adequate solar energy might still be drawn from the sun during the winter to keep your solar panel working.
The most general heat collector, used for sun hot water systems, is a very fine sheet of copper plating that covers the insulated bottom of the collector's framework. A group of copper tubes are placed on the copper plating and are connected to a small header tank at either end of your unit. Once mounted, a photo voltaic panel ought to be oriented at an angle of around forty five degrees in order to enable maximum exposure to the sun. A solar panel may be mounted on a free standing frame, or the pitch of the roof, on condition that the selected part may carry the weight of the panel and also a 50 gallon hot water receiver.
Water is fed from a port near the bottom of the receiver into the lower cistern of the solar cell, and is forced all through the collector tubes, where it is heated by solar power. The heated water is collected inside the header tank at the top end of your cell and next piped into a port near the top of your receiver.
Hot water can be piped to its destination from the delivery port near the top of your receiver, The photo voltaic panel is especially effective during sunny days and will really produce boiling water. For that reason, a pressure release valve needs to be installed on the very top of the receiver, an outlet to a gutter or drainis necessary to dispense with the hot water and steam.
Photo voltaic heating offers a few benefits to home owners and of course to the ecosystem. Everyone considering updating their existing water heating system or renovating or building a property should honestly consider installing one of these environmentally friendly systems.
Author Resource:
Solar Choice Australia based in Adelaide, South Australia offers you fifty years of experience and knowledge of Solar Hot Water Systems, Renewable Energy sources and all aspects of Solar Power. Contact us for a free quote (08) 8294 7064
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