Part 7 of Buying and Using Renewable Energy at Home. Photovoltaic cells produce direct current (DC) electricity. About 40 cells are joined together in enclosed, protective casings called modules. About ten of these modules are mounted in one PV panel. These flatplate PV panels can be mounted facing south, or they can be mounted on […]
This diagram illustrates the annual average daily peak sun hours for the United States. Is My Site Adequate for PV? APV system designer can conduct a detailed site assessment for you. To save the dealer time (and possibly save yourself some money), you can conduct a preliminary assessment to determine whether your site has potential […]
Part 2 of Loose-Fill Insulation. Loose-fill insulations are well suited for places where it is difficult to install other types of insulation, such as irregularly shaped areas, around obstructions (such as plumbing stacks), and in hard-to-reach places. They can be installed in either enclosed cavities such as walls or unenclosed spaces such as attics. Blown-in […]