Solar Water Heating
Solar water heating systems have a good economic payoff, and are manageable systems to install or build as a DIY project. Some of the solar water heating designs are simple and low cost. You can save a great deal of money by building your own system -- several thousand dollars. There are dozens of free plans listed below that should meet just about any need.
Simple batch systems are basically a tank painted black housed inside of a glazed box -- they work well in warm climates, and can be used in cold climates if drained for the winter. There are also plans shown for quite a few solar water heaters that can be used in cold climates right through the winter.
