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.
To simply drain a water heater does not remove the scale and sediment resting below the drain valve. When this debris thickens enough the hot water will begin …
The amount of energy your solar panel will produce is rated by watts. For example, if your solar panel is rated 100 watts, then on a clear day, your solar panel will produce 100 watts per hour. To find out how much electricity you need to produce, look at your electric bill and divide the total by 30 days and then divide it by 3 as there is generally bright sunlight one third of the day.
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!