We rely heavily in the United States on foreign energy sources, especially oil. This is money that is going to another country. By making the switch to solar energy you are helping to reduce the US's dependence on foreign energy, and helping to keep the earths natural resources from becoming ultimately depleted.
Converting your whole house to solar power can be expensive. Before you commit, look at how much you can afford. The initial investment will be very large, but there will come a time when you will break even, then start realizing your savings. Work out the numbers so that you will know how it will affect your long-term budget.
Be realistic about what a solar water heater system can do for you. First off, they will only save you a little bit of money. Have no fear! Your early morning shower will be nice and warm with solar heating. Solar water heaters will keep your water warm upwards of 24 hours.