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.
Size and Amount of Pipe. Determine the size of pipe to be replaced by measuring the diameter of the pipe. If you are replacing a toilet drain line or the main drain line in the house, it will most likely be 3-inch or 4-inch pipe, while a sink or shower line will be smaller. The size of the pipe being used will make a big difference in price, with a larger-diameter pipe costing more than a small one.