When people talk about solar energy, they mainly think about the large panels installed on the roof of a home. These are popular, but they are not the only way to use the heat of the sun for power. Install attic fans in your roof. The heat from your attic causes the blades to spin and generate power.
More …. http://Offgrid-Life.blogspot.ca.
If you have a pool, don't even think of heating it any other way than solar! This is easily the most efficient use of solar power there is and it will save you a bundle. Solar heating systems cost about the same or less than conventional systems and basically operate themselves so stop wasting your money doing it the old-fashioned way!