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.
1 The whole house system has 1-inch inlet/outlets for easy installation on the 1-inch main cold water line. 2  3. 3  If you have 3/4-inch water lines, purchase the HD-950-34 water filter housing. 4  4. If you have 5-inch water lines, purchase the HD-950-15 water filter housing. The #10 Big Blue whole house filter system uses 10 x 4.5 water filter cartridges. 2  The water filter cartridge is not included allowing you to select the best water filter for your water filtration needs. 3  There are two water filter options in the Related Products section below.