What is the Difference between Solar Electricity (PV) and Solar Hot Water Heating?
Solar hot water heating is specific to heating and cooling the water system and does not interfere with the electricity in your home or office. Solar electricity can completely replace or replace only a portion of your electricity system but cannot interfere with water heating and cooling. Is Solar Hot Water for You? If you have an unshaded, preferably south-facing location (a roof, for instance) on your property, you can install a solar water heater; flat roofs work the best in order to position the solar panel in the desired direction. Most homes require 2 or more panels, depending on the number of occupants, each panel about 4 feet wide and 8 to 10 feet long. A sizable roof is necessary. It is best if you live in a more open area in a generally sunny location with no surrounding towers for interference. Solar hot water heating needs no special maintenance once installed and is due to last over 20 years without malfunction. Millions of Americans have installed solar water heaters in
