Say hello to the sun! As the sun shines down upon us, it is imperative that we harness that energy. The sun gives us an energy source that is friendly to the environment. If you are ready to start harnessing the power of the sun, read on for valuable advice and helpful tips.It is important to know that about the two main types of photo-voltaic solar panels. Mono-crystalline panels are pricier than poly-crystalline panels, but they’re more efficient....