Visit the TESS Libraries section for more information. The TESS Component Libraries contain over 250 components in 14 different Libraries. It also includes routines to handle weather data, solar radiation processing, basic HVAC equipment, hydrogen fuel cells, solar thermal and electric technologies, thermal storage, coupling to other simulation tools, and simulation result processing.ĭownload Standard Component Library Overview TESS Libraries The standard TRNSYS library included with the purchase of the program includes many of the components commonly found in building energy systems.