Understand the limitations of solar water heating. The best systems are one third more economical when compared to energy efficient electric water heaters. Don't assume that early morning showers involve only cold water. The water in the tank should stay hot for at least 24 hours.
CNN’s Schams Elwazer shows how architects turned to traditional Islamic designs to make buildings more sustainable.
If you know nothing about installing the equipment needed for solar energy, contact a professional to do it for you. The installation of solar energy panels and equipment is something rather specialized. If you attempt to install it yourself and do not do it right, you can ruin the equipment involved.