Simple Solar Water Heating
Simple Solar Water Heating
Make a simple solar water heater with easy to find materials
heating | solar | water
Solar Water Heating is a fantastic way to obtain free hot water and to save fossil fuels. The following simple design for a solar water heater requires no
pump or difficult to find materials. It can be built in a few hours by anyone with basic DIY skills.
All you need is some black pond liner, plywood, a plexiglass sheet, a big bucket, and some hoses and clamps. In total it will cost around £30 assuming that you have to buy all of the materials you use, and you will need some basic DIY skills. For your efforts you will have a
solar water heater which will heat up a 5 gallon bucket of water to well over 40 degrees celcius (the temperature of a hot bath).
In short a
solar panel is made as pictured toward the top of this article. It is backed with black pond liner which is both water proof and an excellent solar absorber. The panel is sealed with plexiglass and so it is water tight. A tube connects the bottom of the bucket to the bottom of the panel, and another tube connects the top of the panel to the top of the bucket. As the sun shines on the panel water heats up and rises up the path until it reaches the top and passes over into the bucket thanks to
thermo syphoning. As water has left the panel, more water is sucked back into the bottom of the panel. This is colder water from the bucket, and so the cycle continues ad infinitum: hot water passing from the panel into the bucket, and cold water being pass from the bucket into the panel to be heated.
Ideally the bucket should be insulated and kept out of the wind so that heat is not wasted.
For full details of this
Solar Water Heater click here.
Article Last Modified: 15:31, 21st Apr 2006
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