Photo voltaic warmth achieve coefficient (SHGC) is the fraction of photo voltaic radiation admitted via a window, doorway, or skylight -- possibly transmitted directly and/or absorbed, and subsequently introduced as warmth inside a house. The reduced the SHGC, the much less solar heat it transmits and the greater its shading https://skin-cosmetics90120.isblog.net/the-smart-trick-of-retrofit-double-glazing-in-london-wc1v-that-no-one-is-discussing-43409102