Solar energy. The source of Earth's solar power: the Sun. Solar energy is radiant light and heat from the Sun that is harnessed using a range of ever-evolving technologies such as solar heating, photovoltaics, solar thermal energy, solar architecture, molten salt power plants and artificial photosynthesis.
A general guide to follow for your water line: 1  The average single or 2 family home with 2-4 bathrooms and 2 kitchens, will most likely require a 1â-1 Â¼â copper water line. 2  3 family homes will most likely require a 1 Â½â copper water line.
5 inch gutters with 3x4 down spouts offer better drainage, but for maximum water handling capabilities choose a 6 inch gutter with 3x4 down spouts! 5 inch gutters are well suited for residential homes. 6 inch gutters can be used on any size house as well as larger commercial buildings, as shown above.