SFGTV2 December 12, 2012
Thermal or solar hot water. It heats domestic hot water or d. H. W. Thats your hot water that you use four showers and dishwashers. Were going to talk about solar electric. They have the same technology as computer chips. Theyre similar in structure to that tran cystorlike computer Chip Technology based on silicon. The best thing about them is there are no moving parts and they last a long time. There are cells, modules, and arrays. A cell is one of these pieces here. Its a small unit wired together in a certain way to produce half a volt. These are hooked together in whatever size to be a mod...