This reference sheet comes from the United Stated Department of Agriculture, Rural Development (USDA Rural Development). It lays out the key terms and definitions, system layouts, calculations, cost values and rules of thumb for the installation of solar thermal systems.
The document defines terms, ideas and concepts such as controllers, collectors and peak sun hours. Various system types are depicted with pictures, graphs and charts. The different calculations are intended to help a self-installer. Also featured are conversion tables and charts of peak sun hours.
USDA solar.pdf (169 downloads | 772.43 KB)